Abrégé

With respect to particularly accurate measurements even at changing temperatures with structurally simple means, an integrated circuit (5) for signal processing of a sensor (2), wherein the sensor (2) is an inductively working sensor (2) or a eddy current sensor (2) and wherein the circuit (5) has electronic components and is part of an oscillating circuit, is characterised by a temperature-control device for the open- or closed-loop controlling of a temperature and/or of a temperature distribution in the circuit (5) and/or in at least one electronic component of the circuit (5). Furthermore, a method is specified for the open- or closed-loop controlling of a temperature or of a temperature distribution in the circuit (5) or in at least one electronic component of the circuit (5), wherein recorded temperature measurement values are compared to a specified target value for the temperature and wherein in the event of an deviation from the target value, the temperature or temperature distribution is controlled in an open- or closed-loop manner towards the target value.

Classes IPC  ?

• H03B 1/00 - PRODUCTION D'OSCILLATIONS, DIRECTEMENT OU PAR CHANGEMENT DE FRÉQUENCE, À L'AIDE DE CIRCUITS UTILISANT DES ÉLÉMENTS ACTIFS QUI FONCTIONNENT D'UNE MANIÈRE NON COMMUTATIVE; PRODUCTION DE BRUIT PAR DE TELS CIRCUITS - Détails
• G01D 3/036 - Dispositions pour la mesure prévues pour les objets particuliers indiqués dans les sous-groupes du présent groupe pour atténuer les influences indésirables, p.ex. température, pression sur les dispositions de mesure elles-mêmes
• G01K 7/42 - Circuits pour la compensation de l’inertie thermique; Circuits pour prévoir la valeur stationnaire de la température

Abrégé

The invention relates to an electromagnetic actuator having a magnetic circuit comprising at least two, preferably three, magnetic circuit elements, wherein the magnetic circuit elements exert an attracting or repelling force on one another such that the actuator effects a movement, wherein the position of at least one of the magnetic circuit elements relative to another magnetic circuit element can be adjusted in order to influence the actuator rigidity.

Classes IPC  ?

• H01F 7/14 - Armatures pivotantes
• G02B 26/08 - Dispositifs ou dispositions optiques pour la commande de la lumière utilisant des éléments optiques mobiles ou déformables pour commander la direction de la lumière
• H01F 7/08 - Electro-aimants; Actionneurs comportant des électro-aimants avec armatures

Abrégé

A device for metrologically detecting characteristics of measurement objects (9), having a measuring device (1) having at least one positioning unit (4) and at least one measuring unit (3), a calculation module (16) and an evaluation unit (2) having an evaluation module (17), wherein the positioning unit (4) positions the measurement object (9) and the measuring unit (3) relative to each other and the measuring unit (3) detects measurement data of the measurement object (9), wherein an image of the measurement object (9) can be generated by the calculation module (16) from the position data and the measurement data, characterised in that a standardised interface (19) for the transmission of data is formed between the calculation module (16) and the evaluation module (17), and in that the transmitted data is both data of the measuring unit (3) and data of the positioning unit (4). A method for metrologically detecting characteristics of measurement objects is also specified.

Classes IPC  ?

• G01B 5/00 - Dispositions pour la mesure caractérisées par l'utilisation de techniques mécaniques
• G01B 11/00 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques
• G01B 21/00 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative

Abrégé

The invention relates to a device for the pressure-tight feedthrough of a line comprising a deformable jacket through a feedthrough in a wall which separates a first pressure area from a second pressure area with a sleeve surrounding the line in the area of the feedthrough, which has at least two spaced annular constrictions, notches, grooves or the like created by forming, between which the material of the jacket is compressed by forming into an integral ring seal acting between the jacket and the sleeve, where the sleeve is being pressure-tightly connected or being connectable to the wall around the feedthrough, at least from one side. Furthermore, the invention relates to a method for the manufacture of a corresponding device.

Classes IPC  ?

• F16L 5/10 - Scellement en utilisant uniquement des segments ou des manchons d'étanchéité

Abrégé

A sensor system having a distance sensor (1) for detecting the distance between two objects (3,4) that can be moved relative to one another and having a magnetic field sensor (2) for detecting a magnetic field between the objects (3,4), in particular for detecting a gap width and a magnetic field between a rotor and a stator, and having a selection device (13), wherein a measurement signal from the distance sensor (1) or a measurement signal from the magnetic field sensor (2) can be supplied for further processing via the selection device (13). Furthermore, a method for operating a sensor system is described.

Classes IPC  ?

• H02K 11/20 - Association structurelle de machines dynamo-électriques à des organes électriques ou à des dispositifs de blindage, de surveillance ou de protection pour la mesure, la surveillance, les tests, la protection ou la coupure
• G01R 33/09 - Mesure de la direction ou de l'intensité de champs magnétiques ou de flux magnétiques en utilisant des dispositifs galvano-magnétiques des dispositifs magnéto-résistifs
• G01B 7/30 - Dispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques pour tester l'alignement des axes

Abrégé

The invention relates to a method for optically measuring an object having a reflective and/or partially reflective surface. According to the invention, by means of a pattern generator (1), a planar pattern (13) is generated which is varied in at least one optical property such that, at least in partial regions (10), a plurality of different points (p) or a plurality of different groups of points are distinguishable from each other. At least parts of the pattern (13) are reflected by a reflective surface (2) of the object (3) as a reflected pattern onto a detector (14) of a camera unit (4), wherein the reflected pattern is converted by the detector (14) into a camera image (9). A connection between points (q) of the camera image (9) and corresponding points (p) of the pattern (13) can be described by means of a correspondence function which is dependent on geometric properties of the reflective surface (2) of the object (3). At least one of the geometric properties of the reflective surface (2) of the object (3) is determined by using differential geometric properties of a transformation given by the correspondence function. The invention furthermore relates to a corresponding system and a corresponding measuring arrangement.

Classes IPC  ?

• G01B 11/25 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer des contours ou des courbes en projetant un motif, p.ex. des franges de moiré, sur l'objet
• G06T 7/60 - Analyse des attributs géométriques
• G06V 10/60 - Extraction de caractéristiques d’images ou de vidéos relative aux propriétés luminescentes, p.ex. utilisant un modèle de réflectance ou d’éclairage

Abrégé

The invention relates to a sensor (1) for distance and/or position measurement, having an essentially cylindrical housing (2) and a sensor element operating according to the inductive, capacitive or eddy current principle, which sensor element is at least partially arranged in the housing (2), characterized in that at least one fastening region (3) is formed on the surface of the housing (2), which fastening region extends in the circumferential direction around the housing (2) and is designed as an elevation or a recess, wherein the housing (2) is connectable in a force-fitting manner exclusively with the fastening region (3) to a fastening device (9). The invention further relates to a system comprising such a sensor (1) and a fastening device (9).

Classes IPC  ?

• G01D 3/028 - Dispositions pour la mesure prévues pour les objets particuliers indiqués dans les sous-groupes du présent groupe pour atténuer les influences indésirables, p.ex. température, pression
• G01B 7/14 - Dispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques pour mesurer la distance ou la marge entre des objets ou des ouvertures espacés
• G01D 11/30 - Supports spécialement adaptés à un instrument; Supports spécialement adaptés à un ensemble d'instruments

Abrégé

A housing for an electronic unit, in particular for an electronic unit of a sensor system, the housing being at least in two parts, is characterized in that at least part of the housing consists of a circuit board material having a recess or a cavity, the recess or cavity at least partly forming the interior of the housing, which serves to accommodate the electronic unit.

Classes IPC  ?

• G01D 11/24 - Boîtiers

Abrégé

The invention relates to a method for measuring a measurement object (1), in particular for determining the position of and/or distance from a measurement object (1), for example for testing the width and/or for testing the evenness of a measurement object (1), using a measuring system (2) which can be moved along a linear axis (7), wherein the measuring system (2) comprises at least one sensor (4), and wherein means (9) are arranged for detecting a position of a reference point (8) of the measuring system (2), wherein at least one measured value of the measurement object (1) is detected by the sensor (4), and wherein a measurement error in the measured value caused by an inclination of the linear axis (7) by an angle of inclination β is identified, and wherein the measured value is corrected by the measurement error.

Classes IPC  ?

• G01B 11/02 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer la longueur, la largeur ou l'épaisseur
• G01B 11/30 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer la rugosité ou l'irrégularité des surfaces
• G01B 21/04 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour mesurer la longueur, la largeur ou l'épaisseur en mesurant les coordonnées de points

Abrégé

A method for carrying out and/or displaying a measurement process by means of a measurement system, wherein the measurement system comprises at least one computing device, at least one display device and at least one measurement means for metrologically capturing an object, wherein the measurement process can be controlled via the display device, comprising the following method steps: acquiring measured value data which are generated with the measurement means; generating object entities as entities in relation to the object to be metrologically captured; generating combination entities as entities in relation to the object to be metrologically captured; outputting relationships between the generated entities, wherein the relationships for a predefinable entity are displayed. In addition, a corresponding measurement system and a computer program product are disclosed.

Classes IPC  ?

• G01B 11/14 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer la distance ou la marge entre des objets ou des ouvertures espacés
• G01B 11/26 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour tester l'alignement des axes
• G06F 16/00 - Recherche d’informations; Structures de bases de données à cet effet; Structures de systèmes de fichiers à cet effet

Abrégé

The invention relates to an actuator-sensor system for the controlled diverting or deflecting of electromagnetic radiation (e.g. visible light) in at least one axis (9), comprising an actuator (5) for mechanically moving a deflecting element (10) and a measuring element (2) for sensing the position of the deflecting element (10). The measuring element (2) consists of a flat substrate (3) comprising at least one sensor element (4). The actuator (5) can consist of at least one stationary coil (6, 6') and a movable element (8) with at least one magnet (7, 7'). The invention also relates to a fast steering mirror (FSM) having an actuator-sensor system of this type.

Classes IPC  ?

• H02K 29/12 - Moteurs ou génératrices à dispositifs de commutation non mécaniques, p.ex. tubes à décharge ou dispositifs à semi-conducteurs avec des dispositifs détecteurs de la position utilisant des bobines détectrices
• H02K 41/035 - Moteurs à courant continu; Moteurs unipolaires
• H02K 33/18 - Moteurs avec un aimant, un induit ou un système de bobines à mouvement alternatif, oscillant ou vibrant avec des systèmes de bobines se déplaçant, du fait de mises sous tension intermittentes ou inversées, par interaction avec un système de champ magnétique fixe, p.ex. des aimants permanents

Abrégé

With a view to reliable and sustainable use of a coil assembly with structurally simple means, a coil assembly (1), in particular for use as an inductor, preferably for inductive sensors and eddy current sensors, comprising a coil form (3) and at least one coil (2) which is or can be wound onto the coil form (3), is designed and developed such that the coil form (3) has at least one resilient or elastic element (8, 8`) and/or at least one resilient or elastic region for at least partially compensating different thermal expansions and/or contractions of the coil form (3) and of the coil (2).

Classes IPC  ?

• H01F 5/02 - Bobines d'induction enroulées sur des supports non magnétiques, p.ex. mandrins
• H01F 27/32 - Isolation des bobines, des enroulements, ou de leurs éléments
• H01F 41/098 - Mandrins d’enroulement; Formes d’enroulement
• G01N 27/90 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant des variables magnétiques pour rechercher la présence des criques en utilisant les courants de Foucault
• G01N 27/9013 - Dispositions de balayage

Abrégé

The invention relates to an electromagnetic actuator having a magnetic circuit comprising at least two, preferably three, magnetic circuit elements, wherein the magnetic circuit elements exert an attracting or repelling force on one another such that the actuator effects a movement, wherein the position of at least one of the magnetic circuit elements relative to another magnetic circuit element can be adjusted in order to influence the actuator rigidity.

Classes IPC  ?

• H01F 7/14 - Armatures pivotantes
• G02B 26/08 - Dispositifs ou dispositions optiques pour la commande de la lumière utilisant des éléments optiques mobiles ou déformables pour commander la direction de la lumière

Produits et services

EDP hardware, EDP software, Especially Evaluation software for measurement values of sensors; Devices and Apparatus, for use in the following fields: Surveying the geometry of objects, in particular their surface or surfaces using relevant methods; Sensors for surveying the geometry of objects, in particular their surface or surfaces using relevant methods.

Abrégé

The invention relates to a device for guiding a line comprising a deformable jacket through a passage in a wall in a pressure-tight manner, said wall separating a first pressure region from a second pressure region. The device comprises a sleeve that surrounds the line in the region where the line is guided through the wall and has at least two mutually spaced annular constrictions, notches, grooves or the like which are produced by deformation and between which the material of the jacket is compressed by the deformation so as to form an integral ring seal which acts between the jacket and the sleeve, wherein the sleeve is connected or can be connected to the wall in a pressure-tight manner about the passage at least from one side. The invention additionally relates to a corresponding method for producing the device.

Classes IPC  ?

• H05K 5/06 - Enveloppes scellées hermétiquement
• H02G 3/06 - Installations de câbles ou de lignes électriques ou de leurs tubes de protection dans ou sur des immeubles, des structures équivalentes ou des véhicules - Détails assurant la continuité électrique dans le joint

Abrégé

The invention relates to a sensor system comprising a distance sensor (1) for measuring the distance between two objects (3, 4) that are movable relative to each other and a magnetic field sensor (2) for measuring a magnetic field between the objects (3, 4), in particular for measuring a gap width and a magnetic field between a rotor and a stator, and comprising a selection device (13), wherein alternatively a measurement signal from the distance sensor (1) or a measurement signal from the magnetic field sensor (2) is suppliable, by way of the selection device (13), to further processing. Moreover, a method for operating a sensor system is described.

Classes IPC  ?

• H02K 11/20 - Association structurelle de machines dynamo-électriques à des organes électriques ou à des dispositifs de blindage, de surveillance ou de protection pour la mesure, la surveillance, les tests, la protection ou la coupure

Abrégé

b).

Classes IPC  ?

• G01B 11/06 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer la longueur, la largeur ou l'épaisseur pour mesurer l'épaisseur
• B21B 38/04 - Procédés ou dispositifs de mesure spécialement adaptés aux laminoirs, p.ex. détection de la position, inspection du produit pour mesurer l'épaisseur, la largeur, le diamètre ou d'autres dimensions transversales du produit

Abrégé

The present invention relates to a measuring device for determining the thickness of a dielectric layer on a conductive substrate. The device comprises a resonance cavity for electromagnetic fields which has a rotationally symmetrical wall, an end plate and an open end and is adapted to be positioned with the open end on the dielectric layer. The device further comprises an antenna which is adapted to excite an electro-magnetic field in the resonance cavity, a reflection measuring unit for determining at least one property of the electromagnetic field and an evaluation circuit for determining the thickness of the dielectric layer from the at least one property of the electromagnetic field. A diameter of the rotationally symmetrical wall varies in a longitudinal direction of the resonance cavity.

Classes IPC  ?

• G01B 7/06 - Dispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques pour mesurer la longueur, la largeur ou l'épaisseur pour mesurer l'épaisseur
• G01B 15/02 - Dispositions pour la mesure caractérisées par l'utilisation d'ondes électromagnétiques ou de radiations de particules, p.ex. par l'utilisation de micro-ondes, de rayons X, de rayons gamma ou d'électrons pour mesurer l'épaisseur

Abrégé

A method of optically measuring a surface of a measurement object is disclosed. The method includes generating image light having an image pattern, projecting the generated image light onto the measurement object, and recording influenced light having an influenced image pattern. The image light is generated by an image generation device and the influenced light is captured by a capturing device. The influenced light is light that is reflected, scattered, diffracted, and/or transmitted by the measurement object based on interaction of the image light with the measurement object. The method further includes applying a correcting function to the image light. The correction function alters the image light such that the influenced image pattern recorded by the capturing device shows temporally and/or locally an at least approximately constant and/or homogenous and/or linear brightness. A device having an image generation device, image capture device, and correcting device is also disclosed.

Classes IPC  ?

• G01B 11/25 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer des contours ou des courbes en projetant un motif, p.ex. des franges de moiré, sur l'objet
• G06T 5/00 - Amélioration ou restauration d'image
• H04N 5/243 - Circuits pour la compensation des variations de la luminance de l'objet en agissant sur le signal d'image

Abrégé

The invention relates to a method for optically measuring an object having a reflective and/or partially reflective surface. According to the invention, by means of a pattern generator (1), a planar pattern (13) is generated which is varied in at least one optical property such that, at least in partial regions (10), a plurality of different points (p) or a plurality of different groups of points are distinguishable from each other. At least parts of the pattern (13) are reflected by a reflective surface (2) of the object (3) as a reflected pattern onto a detector (14) of a camera unit (4), wherein the reflected pattern is converted by the detector (14) into a camera image (9). A connection between points (q) of the camera image (9) and corresponding points (p) of the pattern (13) can be described by means of a correspondence function which is dependent on geometric properties of the reflective surface (2) of the object (3). At least one of the geometric properties of the reflective surface (2) of the object (3) is determined by using differential geometric properties of a transformation given by the correspondence function. The invention furthermore relates to a corresponding system and a corresponding measuring arrangement.

Classes IPC  ?

• G06T 7/514 - Récupération de la profondeur ou de la forme à partir des spécularités
• G06T 7/521 - Récupération de la profondeur ou de la forme à partir de la projection de lumière structurée

Abrégé

With regard to a reliable measurement of the thickness of an object (4) even in an environment with high temperatures, a device (1) is provided for determining the thickness of an object (4), more particularly a strip-like or flat object (4), preferably for use in a hot rolling process, having a frame (2) with at least one leg (5, 6), the at least one leg (5, 6) having a sensor (8a, 8b) for the contactless measuring of the distance to the object (4), which device is characterised in that the at least one leg (5, 6) has a structure consisting of a plurality of layers in order to reduce the temperature effect on the frame (2) and/or on the sensor (8a, 8b).

Classes IPC  ?

• G01B 11/06 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer la longueur, la largeur ou l'épaisseur pour mesurer l'épaisseur
• B21B 38/04 - Procédés ou dispositifs de mesure spécialement adaptés aux laminoirs, p.ex. détection de la position, inspection du produit pour mesurer l'épaisseur, la largeur, le diamètre ou d'autres dimensions transversales du produit

Abrégé

A method of optically measuring a surface of a measurement object is disclosed. The method includes generating image light having an image pattern, projecting the generated image light onto the measurement object, and recording influenced light having an influenced image pattern. The image light is generated by an image generation device and the influenced light is captured by a capturing device. The influenced light is light that is reflected, scattered, diffracted, and/or transmitted by the measurement object based on interaction of the image light with the measurement object. The method further includes applying a correcting function to the image light. The correction function alters the image light such that the influenced image pattern recorded by the capturing device shows temporally and/or locally an at least approximately constant and/or homogenous and/or linear brightness. A device having an image generation device, image capture device, and correcting device is also disclosed.

Classes IPC  ?

• G01B 11/25 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer des contours ou des courbes en projetant un motif, p.ex. des franges de moiré, sur l'objet
• G06T 5/00 - Amélioration ou restauration d'image
• H04N 5/243 - Circuits pour la compensation des variations de la luminance de l'objet en agissant sur le signal d'image

Abrégé

A disclosed reluctance actuator includes a magnetizable stator, at least one coil, and a yoke. The coil is configured to generate a magnetic field in the stator and the yoke is configured to partially close the magnetic flux of the stator. The yoke is further configured as a movable element that performs lifting/tilting movements. An actuator system including a non-magnetic housing and a reluctance actuator is also disclosed. In the actuator system, the reluctance actuator may be at least partially located in the non-magnetic housing. A method of performing lifting/tilting movements of the yoke of a reluctance actuator is also disclosed. The method includes controlling a current in the at least one coil of the reluctance actuator to thereby generate a magnetic field in the stator. The magnetic field generates a lifting/tilting movement of the yoke due to interaction between the magnetic field and the yoke.

Classes IPC  ?

• G02B 26/08 - Dispositifs ou dispositions optiques pour la commande de la lumière utilisant des éléments optiques mobiles ou déformables pour commander la direction de la lumière
• G02B 26/10 - Systèmes de balayage
• H01F 7/14 - Armatures pivotantes

Abrégé

A disclosed linearization circuit includes a reference component, a charging and discharging controller, and a comparator circuit. The reference component has a non-linear dependence on current or voltage. The charging and discharging controller is configured to control alternating charging and discharging of the reference component. A voltage associated with the reference component forms a reference signal. The charging and discharging are controlled such that the reference signal has a periodic time dependence. The reference signal and a measurement signal are received by the comparator circuit. The comparator circuit is configured to generate and output a square-wave signal based on a reference time point during a charge-discharge cycle, and based on a result of a comparison of the reference signal with the measurement signal, such that the square-wave signal represents a linearized output signal. This disclosure further relates to a corresponding method.

Classes IPC  ?

• H03M 1/58 - Conversion non linéaire
• G01K 7/14 - Dispositions pour modifier la caractéristique de sortie, p.ex. linéarisation
• G01R 15/00 - MESURE DES VARIABLES ÉLECTRIQUES; MESURE DES VARIABLES MAGNÉTIQUES - Détails des dispositions pour procéder aux mesures des types prévus dans les groupes ,  ou
• H03M 1/50 - Convertisseurs analogiques/numériques avec conversion intermédiaire en intervalle de temps

Abrégé

A device is disclosed for measuring the geometry of the inner wall of bores, drill holes and passages, which are optionally countersunk, and in particular for threaded, pin, and rivet connections of workpieces, said device comprising at least one optical sensor measuring towards the inner wall and capable of being introduced into the drill hole and rotated via a feed/rotating unit, wherein an auxiliary object is provided with a passage and rests on the surface of the workpiece, through which passage said sensor is inserted into the countersink and/or bore. The device is characterized in that the inner wall of the auxiliary object is provided with a structure and that the sensor scans said structure(s) while passing through the auxiliary object. The disclosure also relates to a corresponding method.

Classes IPC  ?

• G01B 11/12 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer des diamètres des diamètres intérieurs
• G01B 11/24 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer des contours ou des courbes
• G01B 21/20 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour mesurer des contours ou des courbes, p.ex. pour déterminer un profil
• G01B 21/14 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour mesurer des diamètres des diamètres intérieurs
• G01N 21/954 - Inspection de la surface intérieure de corps creux, p.ex. d'alésages

Abrégé

The disclosure relates to a reference plate for calibrating and/or checking a deflectometry sensor system, said deflectometry sensor system including an image generation device and a capturing device having at least one capturing element, wherein the reference plate includes a reflective surface, and wherein, for the purpose of checking at least one system parameter of said deflectometry sensor system, the reflective surface is provided with a predefined pattern including markings. A corresponding method for calibrating and/or checking a deflectometry sensor system is moreover indicated.

Classes IPC  ?

• G06K 9/46 - Extraction d'éléments ou de caractéristiques de l'image
• G01B 11/25 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer des contours ou des courbes en projetant un motif, p.ex. des franges de moiré, sur l'objet
• G01M 11/02 - Test des propriétés optiques
• G01N 21/88 - Recherche de la présence de criques, de défauts ou de souillures
• G01N 21/93 - Recherche de la présence de criques, de défauts ou de souillures Étalons de détection; Calibrage
• G01N 21/95 - Recherche de la présence de criques, de défauts ou de souillures caractérisée par le matériau ou la forme de l'objet à analyser

Abrégé

An electrical plug connector for a coaxial or triaxial cable, wherein the cable includes an internal conductor, a first shielding conductor surrounding the internal conductor and extending coaxially with it, and optionally a second shielding conductor surrounding the first shielding conductor. The plug connector has a connector body, which includes an internal conductor contact element designed as a plug, socket, or coupling, for contacting with the internal conductor, an internal shield contact element provided for contacting with the first shielding conductor, and optionally an external shield contact element provided for contacting with the second shielding conductor. The connector body is configured such that the contact elements in the mounted condition of the plug connector are arranged on the cable such that a maximum diameter of the connector body is less than or equal to the outer diameter of the cable or only slightly larger than the outer diameter of the cable.

Classes IPC  ?

• H01R 13/187 - Broches, lames ou alvéoles ayant un ressort indépendant pour produire ou améliorer la pression de contact le ressort étant dans l'alvéole
• H01R 24/56 - Dispositifs de couplage en deux pièces, ou l'une des pièces qui coopèrent dans ces dispositifs, caractérisés par leur structure générale ayant des contacts disposés concentriquement ou coaxialement spécialement adaptés à la haute fréquence spécialement adaptés à la forme spécifique des câbles, p.ex. câbles ondulés, câbles à paires torsadées, câbles double blindage ou câbles creux
• H01R 13/6583 - Structure du blindage avec des moyens élastiques destinés à venir en contact avec le connecteur correspondant avec des organes élastiques conducteurs indépendants entre les organes de blindage correspondants
• H01R 9/05 - Dispositifs de connexion conçus pour assurer le contact avec plusieurs des conducteurs d'un câble multiconducteur pour câbles coaxiaux
• H01R 24/58 - Contacts espacés le long de l'axe longitudinal d’engagement
• H01R 24/50 - Dispositifs de couplage en deux pièces, ou l'une des pièces qui coopèrent dans ces dispositifs, caractérisés par leur structure générale ayant des contacts disposés concentriquement ou coaxialement spécialement adaptés à la haute fréquence montés sur une PCB [carte de circuits imprimés]
• H01R 105/00 - Trois pôles
• H01R 103/00 - Deux pôles

Abrégé

With regard to reliable measurements in the high temperature range with constructionally simple means, the invention relates to a displacement sensor operating without contact having a sensor element (1) suitable for high temperatures and electronics comprising drive and/or evaluation electronics that are coupled electrically to the sensor element (1), which displacement sensor is characterized in that the electronics are designed for a temperature range above 125 °C and are connected directly to the sensor element (1) or integrated in the sensor element (1).

Classes IPC  ?

• G01D 11/24 - Boîtiers

Abrégé

The present invention relates to a measuring device for determining the thickness of a dielectric coat on a conductive substrate. The device comprises a resonance cavity for electromagnetic fields, which has a rotationally symmetrical wall, an end plate and an open end, and is adapted to be positioned by its open end on the dielectric layer. The device further comprises an antenna for exciting an electromagnetic field in the resonance cavity, a reflection meter for determining at least one property of the electromagnetic field and an evaluation circuit for determining the thickness of the dielectric coat from the at least one property of the electromagnetic field. The diameter of the rotationally symmetrical wall varies in a longitudinal direction of the resonance cavity.

Classes IPC  ?

• G01B 15/02 - Dispositions pour la mesure caractérisées par l'utilisation d'ondes électromagnétiques ou de radiations de particules, p.ex. par l'utilisation de micro-ondes, de rayons X, de rayons gamma ou d'électrons pour mesurer l'épaisseur

Abrégé

The invention relates to a sensor for measuring a distance of an object by means of triangulation, comprising a transmitter device for illuminating the object with light of at least one wavelength, and a receiver device for receiving the light reflected from the object, wherein the receiver device comprises at least two receiver units that detect the light reflected by the object under a different angle in each case and wherein the receiver units have different distances from the object.

Classes IPC  ?

• G01S 17/02 - Systèmes utilisant la réflexion d'ondes électromagnétiques autres que les ondes radio
• G01S 17/48 - Systèmes de triangulation active, c. à d. utilisant la transmission et la réflexion d'ondes électromagnétiques autres que les ondes radio

Abrégé

The invention relates to a method for optically measuring the surface of a measurement object (2). An image pattern is displayed using an image generating device (1), and the image pattern is captured by means of reflection, scattering, diffraction, or transmission on or through the measurement object (2) using a capturing device (3). The invention is characterized in that a correction function is used to adapt the image generating device (1), and thus the displayed image pattern, such that the influenced image pattern captured by the capturing device (3) has an at least substantially constant and/or homogenous and/or linear brightness over time and/or spatially. The invention additionally relates to a device for carrying out the method.

Classes IPC  ?

• G01B 11/25 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer des contours ou des courbes en projetant un motif, p.ex. des franges de moiré, sur l'objet
• H04N 13/00 - Systèmes vidéo stéréoscopiques; Systèmes vidéo multi-vues; Leurs détails
• G03B 21/00 - Projecteurs ou visionneuses du type par projection; Leurs accessoires

Abrégé

A sensor arrangement for determining a position and/or a change in the position of a measurement object is described, wherein the sensor arrangement has a magnet and a magnetic field sensor which can be moved relative to one another in a direction of movement. The magnet generates a magnetic field. Movements of the magnet and of the measurement object or movements of the magnetic field sensor and of the measurement object are coupled. To achieve the greatest possible measurement range with a characteristic curve which is as linear as possible at the same time, the sensor arrangement comprises a rod-shaped body which is made from a ferromagnetic material and has a considerably larger dimension in the longitudinal direction than in the transverse direction. A relative movement takes place between the rod-shaped body and the magnet, wherein the rod-shaped body can be connected to the magnet. The magnetic field from the magnet is at least partially directed in the direction of the magnetic field sensor. In this case, the rod-shaped body is arranged parallel to the direction of movement. The magnetic field sensor is arranged on a longitudinal side of the rod-shaped body and is configured to generate a measurement signal from a portion of the magnetic field which emerges from the rod-shaped body at the magnetic field sensor. As a result, the position and/or change in the position of the measurement object can be determined from the measurement signal.

Classes IPC  ?

• G01D 5/20 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques influençant la valeur d'un courant ou d'une tension en faisant varier l'inductance, p.ex. une armature mobile

Abrégé

1. A device for the contactless distance and/or position determination of a measurement object (1), with an electrically conductive measurement object (1) and with a sensor (3) operating in particular according to the inductive, capacitive or the eddy current principle, wherein the sensor (3) comprises a measurement device (4), characterized in that the measurement device (4) is formed by at least two measurement elements (5, 5′, 5″) which are spatially separated from each other. Moreover, a corresponding sensor (3) is indicated.

Classes IPC  ?

• G01B 7/00 - Dispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques
• G01D 5/20 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques influençant la valeur d'un courant ou d'une tension en faisant varier l'inductance, p.ex. une armature mobile
• G01B 7/02 - Dispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques pour mesurer la longueur, la largeur ou l'épaisseur

Abrégé

The invention relates to a reluctance actuator comprising a magnetizable stator, at least one coil designed to generate a magnetic field in the stator, and a yoke for at least partially closing the magnetic flux of the stator, said yoke being designed as a mobile element for tip/tilt motion.

Classes IPC  ?

• H01F 7/14 - Armatures pivotantes
• G02B 26/08 - Dispositifs ou dispositions optiques pour la commande de la lumière utilisant des éléments optiques mobiles ou déformables pour commander la direction de la lumière
• G02B 26/10 - Systèmes de balayage

Abrégé

The invention relates to a linearization circuit for linearizing a measurement signal, wherein the linearization circuit has an input for inputting the measurement signal (Ud) and an output for outputting a linearized output signal. The linearization circuit comprises a reference component, a charging and discharging controller (7) and a comparator circuit (10). The reference component has a non-linear dependence on current or voltage and is preferably formed by a coil (L) or a capacitor (C). The charging and discharging controller (7) is designed to control alternating charging and discharging of the reference component. The voltage across the reference component or a voltage derived from a current flowing through the reference component forms a reference signal (Uc) or an alternating component of a reference signal (Uc). The charging and discharging are controlled in such a way that the reference signal (Uc) has a substantially periodic curve. The reference signal (Uc) and the measurement signal (Ud) are input into the comparator circuit (10), which comprises a first input (11), a second input (12) and an output; specifically, the reference signal (Uc) is input into the first input (11) and the measurement signal (Ud) is input into the second input (12). The comparator circuit (10) is designed to produce and output at the output thereof a square-wave signal (Ua) on the basis of a reference time point during a charge-discharge cycle and a result of a comparison of the reference signal (Uc) with the measurement signal (Ud), the square-wave signal representing a linearized output signal. The invention further relates to a corresponding method.

Classes IPC  ?

• H03M 1/58 - Conversion non linéaire
• H03M 1/50 - Convertisseurs analogiques/numériques avec conversion intermédiaire en intervalle de temps

Abrégé

The invention relates to a reference plate for calibrating and/or checking a deflectometry sensor system, said deflectometry sensor system comprising an image generating device and a capturing device having at least one capturing element, wherein the reference plate comprises a reflective surface and, for the purpose of checking at least one system parameter of said deflectometry sensor system, the reflective surface is provided with a predefined pattern comprising markings. The invention also relates to a corresponding method for calibrating and/or checking a deflectometry sensor system.

Classes IPC  ?

• G01B 11/25 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer des contours ou des courbes en projetant un motif, p.ex. des franges de moiré, sur l'objet
• G01M 11/02 - Test des propriétés optiques
• G01N 21/84 - Systèmes spécialement adaptés à des applications particulières

Abrégé

The invention relates to a device for measuring the geometry of the inner wall of bores, drill holes and passages, which are optionally countersunk, and in particular for threaded, pin, and rivet connections of workpieces, said device comprising at least one optical sensor measuring towards the inner wall and capable of being introduced and rotated via a feed/rotating unit into the drill hole, wherein an auxiliary object having a passage is provided, and rests on the surface of the workpiece, through which passage said sensor penetrates the countersink and/or bore. The device is characterised in that the inner wall of the auxiliary object is provided with a structure and that the sensor scans said structure(s) whilst passing through the auxiliary object. The invention also relates to a corresponding method.

Classes IPC  ?

• G01B 21/14 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour mesurer des diamètres des diamètres intérieurs
• G01B 11/12 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer des diamètres des diamètres intérieurs
• G01B 11/24 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer des contours ou des courbes
• G01B 21/20 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour mesurer des contours ou des courbes, p.ex. pour déterminer un profil
• G01N 21/954 - Inspection de la surface intérieure de corps creux, p.ex. d'alésages

Abrégé

The invention relates to a device for measuring the geometry of the inner wall of bores, drill holes and passages, which are optionally countersunk, and in particular for threaded, pin, and rivet connections of workpieces, said device comprising at least one optical sensor measuring towards the inner wall and capable of being introduced and rotated via a feed/rotating unit into the drill hole, wherein an auxiliary object having a passage is provided, and rests on the surface of the workpiece, through which passage said sensor penetrates the countersink and/or bore. The device is characterised in that the inner wall of the auxiliary object is provided with a structure and that the sensor scans said structure(s) whilst passing through the auxiliary object. The invention also relates to a corresponding method.

Classes IPC  ?

• G01B 21/14 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour mesurer des diamètres des diamètres intérieurs
• G01B 21/20 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour mesurer des contours ou des courbes, p.ex. pour déterminer un profil
• G01B 11/12 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer des diamètres des diamètres intérieurs
• G01B 11/24 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer des contours ou des courbes
• G01N 21/954 - Inspection de la surface intérieure de corps creux, p.ex. d'alésages

Abrégé

The invention relates to a measuring assembly for the contactless measurement of a relative movement or a relative position of a first object in relation to a second object. The measuring assembly comprises at least one transmitter coil arranged on the first object and at least two receiver coils (A, B) arranged on the second object, wherein the transmitter coil is excited by an excitation alternating signal, wherein the receiver coils detect a measurement variable that is proportional to a first relative movement or relative position, and wherein at least one further receiver coil (C) is arranged on the second object, which detects a second measurement variable that is proportional to a second relative movement or relative position. The invention also relates to a method which uses the device according to the invention.

Classes IPC  ?

• G01D 5/20 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques influençant la valeur d'un courant ou d'une tension en faisant varier l'inductance, p.ex. une armature mobile

Abrégé

var) is held essentially constant.

Classes IPC  ?

• G01R 27/02 - Mesure de résistances, de réactances, d'impédances réelles ou complexes, ou autres caractéristiques bipolaires qui en dérivent, p.ex. constante de temps
• G01D 3/036 - Dispositions pour la mesure prévues pour les objets particuliers indiqués dans les sous-groupes du présent groupe pour atténuer les influences indésirables, p.ex. température, pression sur les dispositions de mesure elles-mêmes
• G01D 5/20 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques influençant la valeur d'un courant ou d'une tension en faisant varier l'inductance, p.ex. une armature mobile

Abrégé

The invention relates to a sensor which operates in a contactless manner, in particular an inductively or capacitively operating sensor, preferably for distance or position measurement of an object, comprising an inductive or capacitive sensor element, wherein measuring elements of the sensor element are embedded in a multi-layer ceramic and form together with the ceramic the sensor element. The invention is characterized in that the sensor element has a geometrically and/or electrically symmetrical design with respect to its measuring elements and that a bearing is provided at a distance with respect to a holder, which has the smallest possible contact surfaces on the sensor element. The invention further relates to a sensor element, such as used in the sensor according to the invention.

Classes IPC  ?

• G01D 5/14 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques influençant la valeur d'un courant ou d'une tension
• G01D 11/04 - Paliers en arête de couteau

Abrégé

The invention relates to a device serving for the combined measurement of the width and thickness of a flat object, in particular a plate, a belt, or a web. The device comprises a measurement apparatus which has at least one contactless sensor, which is for width measurement on the object and which is movable crosswise to the longitudinal direction or conveying direction of the object. According to the invention, on the opposite side of the object, there is a second sensor opposite the first sensor which, together with the first sensor, serves for thickness measurement on the object, wherein the two sensors can travel above and below the object, that is, on opposite sides of the object.

Classes IPC  ?

• G01B 11/14 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer la distance ou la marge entre des objets ou des ouvertures espacés
• G01B 11/04 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer la longueur, la largeur ou l'épaisseur spécialement adaptés pour mesurer la longueur ou la largeur d'objets en mouvement
• G01B 21/06 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour mesurer la longueur, la largeur ou l'épaisseur spécialement adaptés pour mesurer la longueur ou la largeur d'objets en mouvement
• G01B 21/08 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour mesurer la longueur, la largeur ou l'épaisseur pour mesurer l'épaisseur
• G01B 11/06 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer la longueur, la largeur ou l'épaisseur pour mesurer l'épaisseur

Abrégé

The invention relates to a device for contactless distance and/or position determination of a measurement object (1), comprising an electrically conductive measurement object (1) and a sensor (3) which is operated in particular according to the inductive, capacitive or eddy current principle, the sensor (3) comprising a measuring device (4). The invention is characterized in that the measuring device (4) is formed by at least two spatially separated measurement elements (5, 5', 5''). The invention further relates to a corresponding sensor (3).

Classes IPC  ?

• G01D 5/20 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques influençant la valeur d'un courant ou d'une tension en faisant varier l'inductance, p.ex. une armature mobile
• G01B 7/02 - Dispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques pour mesurer la longueur, la largeur ou l'épaisseur

Abrégé

The invention relates to a device serving for the combined measurement of the width and thickness of a flat object, in particular a plate, a belt, or a web. The device comprises a measurement apparatus which has at least one contactless sensor, which is for width measurement on the object and which is movable crosswise to the longitudinal direction or conveying direction of the object. According to the invention, on the opposite side of the object, there is a second sensor opposite the first sensor which, together with the first sensor, serves for thickness measurement on the object, wherein the two sensors can travel above and below the object, that is, on opposite sides of the object.

Classes IPC  ?

• G01B 21/06 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour mesurer la longueur, la largeur ou l'épaisseur spécialement adaptés pour mesurer la longueur ou la largeur d'objets en mouvement
• G01B 21/08 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour mesurer la longueur, la largeur ou l'épaisseur pour mesurer l'épaisseur
• G01B 11/04 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer la longueur, la largeur ou l'épaisseur spécialement adaptés pour mesurer la longueur ou la largeur d'objets en mouvement
• G01B 11/06 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer la longueur, la largeur ou l'épaisseur pour mesurer l'épaisseur

Abrégé

The invention relates to a measuring system with at least one sensor which operates in a contactless manner and which can be moved along a guide, in particular a frame limb, a rail, a crossmember, or the like, relative to an object to be measured. The invention is characterized in that in order to compensate for the thermal expansion of the measuring system, in particular of the guide, a gauge containing reference marks, for example a ruler, with as little thermal expansion as possible is arranged parallel to the guide. The reference marks are designed as geometric, optical, electric, and/or magnetic marks which can be detected according to their nature. The positions of the reference marks can be ascertained via the at least one sensor of the measuring system or via another sensor during a calibration process.

Classes IPC  ?

• G01B 1/00 - Instruments de mesure caractérisés par l'usage d'un matériau spécifique
• G01B 5/00 - Dispositions pour la mesure caractérisées par l'utilisation de techniques mécaniques
• G01B 11/02 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer la longueur, la largeur ou l'épaisseur
• G01B 11/06 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer la longueur, la largeur ou l'épaisseur pour mesurer l'épaisseur
• G01B 11/245 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer des contours ou des courbes en utilisant plusieurs transducteurs fixes fonctionnant simultanément

Abrégé

A method for measuring the thickness on measurement objects, whereby at least one sensor measures against the object from the top and at least one other sensor measures against the object from the bottom and, at a known distance of the sensors to one another, the thickness of the object is calculated according to the formula D=Gap−(S1+S2), whereby D=the thickness of the measurement object, Gap=the distance between the sensors, S1=the distance of the top sensor to the upper side of the measurement object, and S2=the distance of the bottom sensor to the underside of the measurement object, is characterized by the compensation of a measurement error caused by tilting of the measurement object and/or by displacement of the sensors and/or by tilting of the sensors, whereby the displacement and/or the tilting is determined by calibration and the calculated thickness or the calculated thickness profile is corrected accordingly. The invention further concerns a device for applying the method.

Classes IPC  ?

• G01B 11/06 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer la longueur, la largeur ou l'épaisseur pour mesurer l'épaisseur
• G01B 21/04 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour mesurer la longueur, la largeur ou l'épaisseur en mesurant les coordonnées de points
• G01B 21/08 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour mesurer la longueur, la largeur ou l'épaisseur pour mesurer l'épaisseur
• G01B 11/14 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer la distance ou la marge entre des objets ou des ouvertures espacés

Abrégé

The invention relates to a sensor element for an inductive sensor used for a displacement or distance measurement by means of a magnetic field that varies according to the distance from the measurement object but that remains temporally constant. In said sensor, thin ferromagnetic material is integrated into a substrate. The invention also relates to a sensor comprising said sensor element and to a method for producing the sensor element.

Classes IPC  ?

• G01B 7/30 - Dispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques pour tester l'alignement des axes
• G01D 5/20 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques influençant la valeur d'un courant ou d'une tension en faisant varier l'inductance, p.ex. une armature mobile
• G01D 5/22 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques influençant la valeur d'un courant ou d'une tension en faisant varier l'inductance, p.ex. une armature mobile influençant deux bobines par une action différentielle

Abrégé

The invention relates to an apparatus for the inline trace analysis of a liquid, preferably of an aqueous process solution, comprising: a housing (1); a micro-channel (2) through which the liquid to be examined is allowed to flow and into which light of a light source (3) is coupled; a detector (4) for light emerging from the micro-channel (2); and a user interface (5) for monitoring and/or operating the apparatus. The micro-channel (2), the detector (4) and/or the user interface (5) are arranged in the housing (1) and/or are integrated into the housing (1), and the housing (1) has a connection (6) for feeding the liquid in the micro-channel (2) and a connection (7) for power supply of the apparatus.

Classes IPC  ?

• G01N 21/03 - Dispositions ou appareils pour faciliter la recherche optique - Détails de structure des cuvettes
• G01N 21/05 - Cuvettes à circulation de fluides
• G01N 21/85 - Analyse des fluides ou solides granulés en mouvement

Abrégé

A sensor arrangement for determining a position and/or a change in the position of a measurement object is described, wherein the sensor arrangement (1) has a magnet (3) and a magnetic field sensor (2) which can be moved relative to one another in a direction of movement (x). The magnet (3) generates a magnetic field (5). Movements of the magnet (3) and of the measurement object or movements of the magnetic field sensor (2) and of the measurement object are coupled. In order to achieve the greatest possible measurement range with a characteristic curve which is as linear as possible at the same time, the sensor arrangement (1) comprises a rod-shaped body (4) which is made from a ferromagnetic material and has a considerably larger dimension in the longitudinal direction than in the transverse direction. A relative movement takes place between the rod-shaped body (4) and the magnet (3), wherein the rod-shaped body (4) can be connected to the magnet (3). The magnetic field from the magnet (3) is at least partially directed in the direction of the magnetic field sensor (2). In this case, the rod-shaped body (4) is arranged parallel to the direction of movement (x). The magnetic field sensor (2) is arranged on a longitudinal side of the rod-shaped body (4) and is configured to generate a measurement signal from a portion of the magnetic field (6) which emerges from the rod-shaped body (4) at the magnetic field sensor (2). As a result, the position and/or change in the position of the measurement object can be determined from the measurement signal.

Classes IPC  ?

• G01D 5/14 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques influençant la valeur d'un courant ou d'une tension

Abrégé

An actuator sensor arrangement, comprising a magnetic actuator (1), which comprises at least one coil (3), preferably in the sense of an armature winding, and a magnet (2) used as a rotor, wherein the coil (3) generates a force-exerting magnetic field (4) and in this way a force acts on the rotor (2) at least in one direction, for example in the Z direction, is characterised in that a sensor (6) is arranged in the force-transmitting magnetic flux (7) between the coil (3) and the rotor, said sensor detecting the movement of the rotor in the at least one direction, for example in the Z direction (actuator-rotor spacing). A method is also claimed for the application of the actuator sensor arrangement according to the invention.

Classes IPC  ?

• G01D 5/12 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques
• G01D 5/20 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques influençant la valeur d'un courant ou d'une tension en faisant varier l'inductance, p.ex. une armature mobile
• G01D 5/24 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques influençant la valeur d'un courant ou d'une tension en faisant varier la capacité
• G01D 5/241 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques influençant la valeur d'un courant ou d'une tension en faisant varier la capacité par mouvement relatif d'électrodes de condensateur

Abrégé

Disclosed is a circuit arrangement (1) for controlling an inductive displacement measurement sensor (2). The displacement measurement sensor has a sensor coil (2) which is completed by means of a capacitor (Cpar) to form an oscillating circuit. The circuit arrangement also has an oscillator (3) for producing an excitation signal (UErreger) which stimulates the oscillating circuit to oscillate. A DC voltage (Utemp) is superimposed on the exciter signal (UErreger), the amplitude of which DC voltage changes when the temperature of the sensor coil (2) changes. The sensor coil (2) is connected to a controllable resistor (Rvar). The circuit arrangement (1) also has a comparator (4) which compares the DC voltage (Utemp) with a reference voltage (Utref). On the basis of the result of the comparison, the comparator (4) outputs a control voltage (Ur) which controls the controllable resistor (Rvar). In a further development of the circuit arrangement, the control of the controllable resistor (Rvar) is designed in such a way that, when the temperature of the sensor coil (2) changes, whereby the ohmic resistance (RSensor) of the sensor coil (2) also changes, the total resistance of the sensor coil (RSensor) and the controllable resistor (Rvar) is kept substantially constant.

Classes IPC  ?

• G01D 3/036 - Dispositions pour la mesure prévues pour les objets particuliers indiqués dans les sous-groupes du présent groupe pour atténuer les influences indésirables, p.ex. température, pression sur les dispositions de mesure elles-mêmes

Abrégé

The invention relates to a sensor element (1) of a capacitive sensor consisting of two or more layers of a substrate (2), the electrodes (3) of the sensor being inserted between said layers. The sensor element is characterized in that a heating element (5) is integrated into said sensor element (1).

Classes IPC  ?

• G01D 5/24 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques influençant la valeur d'un courant ou d'une tension en faisant varier la capacité

Abrégé

A device for contactless optical distance measurement is described, comprising a polychromatic light source (3), a light analysis unit (4) and a measurement head (5), wherein the measurement head (5) has an aperture opening (6) and an optical lens system (12) which has a chromatic longitudinal aberration. The optical lens system (12) consists of a first refractive lens element (1) and a second refractive lens element (2), wherein at least one of the refractive lens elements (1, 2) has at least one aspherical lens surface (11), and the first refractive lens element (1) and/or the second refractive lens element (2) has an optical material with an Abbe number 20 ≤ V d ≤ 41. The optical lens system (12) has such a chromatic longitudinal aberration that a measurement region (MR), which equals an axial focal shift of the optical lens system (12) between the wavelengths of 450 nm and 700 nm, is between 0.2 mm inclusive and 10 mm inclusive.

Classes IPC  ?

• G01B 11/02 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer la longueur, la largeur ou l'épaisseur
• G01B 11/06 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer la longueur, la largeur ou l'épaisseur pour mesurer l'épaisseur

Abrégé

A method for thickness measurement on measurement objects, wherein at least one sensor measures from the top side and at least one additional sensor measures from the bottom side with respect to the object, and, at a known distance of the sensors from one another, the thickness of the object is calculated according to the formula D = Gap - (S1 + S2), where D = the thickness of the measurement object, Gap = the distance of the sensors from each other, S1 = the distance from the upper sensor to the top side of the measurement object, and S2 = the distance from the lower sensor to the bottom side of the measurement object, characterized in that the compensation of a measurement error caused by tipping of the measurement object and/or by misalignment of the sensors and/or by tipping of the sensors, wherein the misalignment and/or the tipping is determined by calibration and the calculated thickness or the calculated thickness profile is correspondingly corrected. The invention further relates to a device for applying the method.

Classes IPC  ?

• G01B 21/04 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour mesurer la longueur, la largeur ou l'épaisseur en mesurant les coordonnées de points
• G01B 21/08 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour mesurer la longueur, la largeur ou l'épaisseur pour mesurer l'épaisseur

Produits et services

Electronic checking (supervision), measuring, signalling, regulating, controlling, monitoring, switching, metering and power supply devices and apparatus; electric and electronic sensors; sensors and measuring systems and installations for contact and non-contact measurement of geometric parameters (path, distance, length, position, diameter, thickness and surface); sensors and measuring systems and installations, being capacitive, magnetic, inductive, optical and confocal, using electromagnetic wave frequency, triangulation, an eddy current, an optical micrometer, a light section, image processing or a cable; sensors and measuring systems and installations for non-contact measurement of temperature; sensors and measuring systems and installations for non-contact measurement of colour, texture, gloss or degree of gloss of surfaces or colours, intensity and frequency of light waves; technical endoscopes; spectrometers; testing apparatus for detection of defects, flaws or shape deviations of surfaces; sensors and measuring systems and installations for non-contact measurement of speed; sensors and measuring systems and installations for gas analysis, in particular via infrared spectroscopy; computer software and hardware, in particular for signal processing, evaluation of measured quantities, image processing, surface inspection and calibration of sensors and sensor systems. Installation and maintenance of computer hardware; installation, maintenance and repair of sensors, sensor systems and evaluation electronics. Engineering, physics and information technology consultancy services in the field of sensor technology, calibration of sensors and sensor systems; installation and maintenance of computer software.

Abrégé

The invention relates to a sensor element for an inductive sensor used for a displacement or distance measurement by means of a magnetic field that varies according to the distance from the measurement object but that remains temporally constant. In said sensor, thin ferromagnetic material is integrated into a substrate. The invention also relates to a sensor comprising said sensor element and to a method for producing the sensor element.

Classes IPC  ?

• G01D 5/20 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques influençant la valeur d'un courant ou d'une tension en faisant varier l'inductance, p.ex. une armature mobile
• G01D 5/22 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques influençant la valeur d'un courant ou d'une tension en faisant varier l'inductance, p.ex. une armature mobile influençant deux bobines par une action différentielle

Abrégé

The invention relates to a sensor element (1) of a capacitive sensor consisting of two or more layers of a substrate (2), the electrodes (3) of the sensor being inserted between said layers. The sensor element is characterized in that a heating element (5) is integrated into said sensor element (1).

Classes IPC  ?

• G01D 5/24 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques influençant la valeur d'un courant ou d'une tension en faisant varier la capacité

Abrégé

Provided herein is a device for measuring a thickness of a dielectric layer on a base substrate. The device is provided with a cylindrical resonant cavity having a circular cylindrical wall and a plane wall on one end thereof, wherein the opposite end is open to be placed upon the dielectric layer on the substrate to form a wall of the resonant cavity on the opposite end; an antenna located within the resonant cavity and adapted to excite an electromagnetic field in the resonant cavity that is approximately zero in the dielectric layer; a reflection meter connected to the antenna and adapted to measure the resonant frequency of the resonant cavity; and a processor connected to the reflection meter. Also provided herein is a method for measuring a thickness of a dielectric layer on a base substrate having a curved surface.

Classes IPC  ?

• G01B 7/06 - Dispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques pour mesurer la longueur, la largeur ou l'épaisseur pour mesurer l'épaisseur
• G01B 15/02 - Dispositions pour la mesure caractérisées par l'utilisation d'ondes électromagnétiques ou de radiations de particules, p.ex. par l'utilisation de micro-ondes, de rayons X, de rayons gamma ou d'électrons pour mesurer l'épaisseur

Produits et services

(1) Apparatus for electrical measurement of physical quantities, namely measuring the dimensions, tolerances, thickness, revolution, deflection, deformation, waviness, eccentricity, diameter, concentricity, filling level, lifting height, centering, tilt, alignment, profile, contour, surface, width, roller gap and convexity, and distance between two points for machines and machine parts, temperature, colour, texture, gloss/gloss level of surfaces or colours, intensity and frequency of light sources in the area of engineering and industrial applications; electrical and electronic sensors for measurement of physical quantities, namely measuring the dimensions, tolerances, thicknesses, revolution, deflection, deformation, waviness, eccentricity, diameter, concentricity, filling level, lifting height, centering, tilt, alignment, profile, contour, surface, width, roller gap and convexity, and distance between two points for machines and machine parts, temperature, colour, texture, gloss/gloss level of surfaces or colours, intensity and frequency of light sources in the area of engineering and industrial applications; sensors for contactless and contact measuring of geometric values (distance, spacing, length, position, diameter, thickness, surface); sensory systems comprised of sensors for contactless and contact measuring of geometric values (distance, spacing, length, position, diameter, thickness, surface and a sensor cable and sensor signal conditioning electronics and electric linear or rotary motors for moving or positioning the sensors and the object to be measured and an O-shape or C-shape mounting frame and cameras manipulators and a computer for controlling the sensory system and/or a display or monitor; sensors which work capacitively, magnetically, inductively, optically, confocally, using the propagation time of electromagnetic waves, triangulation, eddy current, an optical micrometer, a light section, image processing, a cable pull; sensors for contactless measurement of temperature; sensors for contactless measurement of colour, texture, gloss/gloss level of surfaces or colours, intensity and frequency of light sources; technical endoscopes; spectrometers; testing apparatus, namely sensors for detecting defects, errors, form irregularities of surfaces; sensors for contactless measurement of speed; sensors for gas analysis, in particular by means of infrared spectroscopy; computer hardware and computer software, in particular for image processing and for signal processing, for evaluating measurement variables, for surface inspection and for calibration of sensors and sensor systems, namely for controlling and managing sensors for contactless and contact measuring of geometric values (distance, spacing, length, position, diameter, thickness, surface), sensors which work capacitively, magnetically, inductively, optically, confocally, using the propagation time of electromagnetic waves, triangulation, eddy current, an optical micrometer, a light section, image processing, a cable pull, sensors for contactless measurement of temperature, sensors for contactless measurement of colour, texture, gloss/gloss level of surfaces or colours, intensity and frequency of light sources, technical endoscopes, spectrometers, testing apparatus, namely level sensors for detecting defects, errors, form irregularities of surfaces, sensors for contactless measurement of speed and sensors for gas analysis, in particular by means of infrared spectroscopy (1) Installation and maintenance of IT hardware; installation, maintenance and repair of sensors and sensor systems, and evaluation electronics; engineering, physics or information technology consultancy services in the field of sensor technology, calibration of sensors and sensor systems; installation and maintenance of IT software

Produits et services

Electronic apparatus for measuring, signaling, regulating, controlling, monitoring, switching, and metering, namely, electronic sensors used to inspect paint, metal, rubber and plastics; electric and electronic sensors; sensors for contact and non-contact measurement of geometric parameters being path and distance and length and position and diameter and thickness and surface, namely, capacitive sensors, eddy current sensors, inductive sensors, magneto-inductive sensors, laser sensors, confocal sensors, laser distance sensors and draw-wire sensors; systems and installations for non-contact measurement of geometric parameters being path, triangulation, distance, length, position, diameter, thickness and surface comprising cables, electrical controllers, fiber optic transmitters and receivers, optical micrometers, capacitive sensors, eddy current sensors, laser sensors, inductive sensors, confocal sensors, magnetic sensors, electromagnetic wave frequency sensors, laser distance sensors, interfaces for computers, interfaces for electrical controllers, interfaces for gauges, interfaces for sensors, and interfaces for transmitters; sensors for non-contact measurement of temperature; systems and installations for non-contact measurement of temperature comprising cables, electrical controllers, electric and optical sensors, lasers, lenses for cameras or video cameras, cameras, video cameras, interfaces for electrical controllers, interfaces for sensors, interfaces for lasers, and interfaces for cameras and video cameras; sensors for non-contact measurement of colour, texture, gloss or degree of gloss of surfaces or colours, intensity and frequency of light waves; systems and installations for non-contact measurement of colour, texture, gloss or degree of gloss of surfaces or colours, intensity and frequency of light waves comprising cables, electrical controllers, electrical and optical sensors, and optical transmitters and receivers; technical endoscopes for non-medical use; spectrometers; testing apparatus for detection of defects, flaws or shape deviations of surfaces; sensors for non-contact measurement of speed; systems and installations for non-contact measurement of speed comprising electric and fiber optic connectors, cables, electric controller, and electric and optical sensors; sensors for gas analysis, in particular via infrared spectroscopy; systems and installations for gas analysis, in particular via infrared spectroscopy comprising cables, electric controllers, electric and optical sensors, and lasers; computer software and hardware, in particular for signal processing, evaluation of measured quantities, image processing, surface inspection and calibration of sensors and sensor systems for data acquisition and analysis and for automation, quality control, research and development and education [ nstallation and maintenance of computer hardware; installation, maintenance and repair of sensors, sensor systems and evaluation electronics ] [ Engineering, physics and information technology consultancy services in the field of sensor technology, calibration of sensors and sensor systems; installation and maintenance of computer software ]

Abrégé

A contactless sensor is designed with a metal housing (2) and a substantially ceramic sensor unit (4), which is at least partially arranged in the housing (2) and which has an integrated measuring element. The housing (2) and the sensor unit (4) have different thermal expansion coefficients. The sensor is characterized in that at least one compensation element (3) is provided between the housing (2) and the sensor unit (4), the at least one compensation element having at least one material property that compensates for the different expansion coefficients.

Classes IPC  ?

• G01D 11/24 - Boîtiers

Produits et services

Electronic checking (supervision), measuring, signalling, regulating, control, monitoring, switching, metering and power supply devices and apparatus; Electrical and electronic sensors; Sensors and measuring systems/measuring installations for contactless and contact measuring of geometric values (distance, spacing, length, position, diameter, thickness, surface); Sensors and measuring systems/measuring installations which work capacitively, magnetically, inductively, optically, confocally, using the propagation time of electromagnetic waves, triangulation, eddy current, an optical micrometer, a light section, image processing, a cable pull; Sensors and measuring systems/measuring installations for contactless measurement of temperature; Sensors and measuring systems/measuring installations, for contactless measurement of colour, texture, gloss/gloss level of surfaces or colours, intensity and frequency of light sources; Technical endoscopes; Spectrometers; Testing apparatus for detecting defects, errors, form irregularities of surfaces; Sensors and measuring systems/measuring installations for contactless measurement of speed; Sensors and measuring systems/measuring installations for gas analysis, in particular by means of infrared spectroscopy; Computer hardware and computer software, In particular for signal processing, for evaluating measurement variables, for image processing, for surface inspection and for calibration of sensors and sensor systems. Installation and maintenance of IT hardware; Installation, maintenance and repair of sensors and sensor systems, and evaluation electronics. Engineering, physics or information technology in the field of sensor technology, calibration of sensors and sensor systems; Installation and maintenance of IT software.

Abrégé

An apparatus for measuring the thickness of a measurement object, preferably a measurement object in the form of a web or piece goods, in a measuring gap, with a measuring mechanism which is fitted to a machine frame, wherein the measuring mechanism for measuring the thickness comprises one or more travel measurement sensor(s) aimed at the measurement object, is characterized in that a compensation sensor which is coupled to a travel measurement sensor measures the distance to a reference rule in order to detect and compensate for a change in the measuring gap, in that the reference rule is in the form of a side of a frame-shaped reference device integrated in the measuring mechanism, and in that the reference device is configured in such a manner that the distance between the reference rule and that side of the reference device which is opposite the reference rule is known during the thickness measurement. A corresponding method for measuring the thickness is also stated.

Classes IPC  ?

• G01B 5/06 - Dispositions pour la mesure caractérisées par l'utilisation de techniques mécaniques pour mesurer la longueur, la largeur ou l'épaisseur pour mesurer l'épaisseur
• G01B 7/06 - Dispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques pour mesurer la longueur, la largeur ou l'épaisseur pour mesurer l'épaisseur
• G01B 11/06 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer la longueur, la largeur ou l'épaisseur pour mesurer l'épaisseur
• G01B 21/08 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour mesurer la longueur, la largeur ou l'épaisseur pour mesurer l'épaisseur

Abrégé

A sensor comprises a preferably multi-layer ceramic substrate (2) and at least one sensor element (1) arranged in, at, or on the ceramic substrate (2). The sensor element (1) can be contacted via a metallic contact (6), with the metallic contact (6) being produced via a soldering connection, which electrically connects the contact (6) with the sensor element (1) and here generates a fixed mechanic connection of the contact (6) in reference to the ceramic substrate (2). Furthermore, a method is claimed for producing the sensor according to the invention.

Classes IPC  ?

• H05K 7/10 - Montage de composants à contact par fiches
• H05K 1/18 - Circuits imprimés associés structurellement à des composants électriques non imprimés
• B81B 7/00 - Systèmes à microstructure
• B81C 1/00 - Fabrication ou traitement de dispositifs ou de systèmes dans ou sur un substrat
• H05K 3/40 - Fabrication d'éléments imprimés destinés à réaliser des connexions électriques avec ou entre des circuits imprimés
• H05K 3/32 - Connexions électriques des composants électriques ou des fils à des circuits imprimés
• H05K 1/03 - Emploi de matériaux pour réaliser le substrat
• H05K 3/34 - Connexions soudées
• H05K 3/46 - Fabrication de circuits multi-couches
• H05K 1/16 - Circuits imprimés comprenant des composants électriques imprimés incorporés, p.ex. une résistance, un condensateur, une inductance imprimés

Abrégé

The invention relates to a sensor, comprising a sensor element (1) that operates without contact, an electronic component (5), and a housing (2) having an electrical/electronic connection. The sensor element (1) is part of the housing (2) and is used to close and seal the housing (2) with respect to the measurement side (3).

Classes IPC  ?

• G01D 11/24 - Boîtiers
• G01L 19/14 - Boîtiers
• G01P 1/02 - Boîtiers
• G01D 11/30 - Supports spécialement adaptés à un instrument; Supports spécialement adaptés à un ensemble d'instruments
• G01D 5/00 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière

Abrégé

A temperature sensor comprising a sensor element that is arranged in a housing, is characterized in that the sensor element is totally enclosed with a thermally conductive material, preferably with a thermally conductive paste, inside the housing.

Classes IPC  ?

• G01K 1/00 - MÉTROLOGIE; TESTS ÉLÉMENTS THERMOSENSIBLES NON PRÉVUS AILLEURS - Détails des thermomètres non spécialement adaptés à des types particuliers de thermomètres
• G01K 1/08 - Dispositifs de protection, p.ex. étuis

Abrégé

The invention relates to a plate brake test stand comprising a braking force measuring device and a speed measuring device, wherein during a measuring operation for testing the brakes of a vehicle not only the braking force but also the speed of the vehicle is measured for predeterminable data evaluation. With regard to simple and secure measurement of the braking force the plate brake test stand is configured and modified in such a way that the speed measuring device is designed for contactless measurement of the speed. The invention further relates to a method for testing the brakes in vehicles by means of a plate brake test stand comprising a braking force measuring device and a speed measuring device, wherein during a measuring operation for testing the brakes of a vehicle not only the braking force but also the speed of the vehicle is measured for predeterminable data evaluation. The method is configured and modified in such a way that the detection of the braking force and of the speed take place synchronously.

Classes IPC  ?

• G01L 5/28 - Appareils ou procédés pour la mesure des forces, du travail, de la puissance mécanique ou du couple, spécialement adaptés à des fins spécifiques pour le test des freins

Abrégé

A noncontact distance measuring sensor and a method for noncontact distance measurement is provided. The distance measuring sensor has a coil arrangement including at least two measuring coils oriented along a common axis. An electrically and/or magnetically conducting measurement object is in electromagnetic interaction with the coil arrangement. The distance measuring sensor further has an evaluation circuit for evaluating and ascertaining a position of the measurement object. In addition to the measuring coils, the noncontact distance measuring sensor includes an additional coil which is arranged along the common axis, is coupled to the evaluation circuit, and at least partly overlaps at least one of the two measuring coils.

Classes IPC  ?

• G01B 7/14 - Dispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques pour mesurer la distance ou la marge entre des objets ou des ouvertures espacés
• G01B 7/00 - Dispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques

Abrégé

A bushing of an electrical conductor through a wall which separates two regions from one another, wherein the conductor extends through a passage in the wall, at a distance from said wall, characterized in that a sleeve, which is electrically insulated from the passage and is hermetically sealed, preferably extends approximately coaxially through the passage, and in that the electrical conductor extends through the sleeve and is incorporated in the sleeve in a hermetically sealed, preferably integral, manner.

Classes IPC  ?

• H01B 17/30 - Scellement
• G01D 1/00 - Dispositions pour la mesure donnant des résultats autres que la valeur instantanée d'une variable, d'application générale
• G01D 15/00 - MESURE NON SPÉCIALEMENT ADAPTÉE À UNE VARIABLE PARTICULIÈRE; DISPOSITIONS NON COUVERTES PAR UNE SEULE DES AUTRES SOUS-CLASSES POUR MESURER PLUSIEURS VARIABLES; APPAREILS COMPTEURS À TARIFS; DISPOSITIONS POUR LE TRANSFERT OU LA TRANSDUCTION DE MESURE NON SPÉCIALEMENT ADAPTÉES À UNE VARIABLE PARTICULIÈRE; MESURES OU TESTS NON PRÉVUS AILLEURS - Parties constitutives des enregistreurs dans les dispositions pour la mesure qui ne sont pas spécialement adaptées à une variable particulière
• H02G 15/013 - Moyens d'étanchéité pour entrées de câble
• H01B 17/34 - Isolateurs à liquide, p.ex. à huile
• H01B 17/28 - Isolateurs d'entrée; Isolateurs de traversée du type condensateur
• H02G 15/22 - Terminaisons de câbles
• H02G 15/26 - Chambres d'expansions; Têtes de verrouillage; Pipe-lines auxiliaires
• H02G 3/22 - Installations de câbles ou de lignes à travers les murs, les sols ou les plafonds, p.ex. dans les immeubles
• H02G 3/08 - Boîtes de distribution; Boîtes de connexion ou de dérivation
• H03K 17/95 - Commutateurs de proximité utilisant un détecteur magnétique

Abrégé

a is reduced and the number of windings per cross-sectional surface area is increased.

Classes IPC  ?

• G01B 7/14 - Dispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques pour mesurer la distance ou la marge entre des objets ou des ouvertures espacés
• G01D 5/20 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques influençant la valeur d'un courant ou d'une tension en faisant varier l'inductance, p.ex. une armature mobile
• G01D 11/24 - Boîtiers
• H01F 38/14 - Couplages inductifs

Abrégé

A sensor comprises a housing which defines a measuring side and a connection side, a coil (6) which is arranged in the housing (1) on the measuring side, and a cover (14) for closing the housing on the measuring side. The housing (1) consists of ferromagnetic material, in particular ferromagnetic steel. The coil (6) is positioned and fixed in the housing close to the cover (14) or directly on the cover (14).

Classes IPC  ?

• G01R 33/02 - Mesure de la direction ou de l'intensité de champs magnétiques ou de flux magnétiques
• H03K 17/95 - Commutateurs de proximité utilisant un détecteur magnétique

Abrégé

A contactlessly operating eddy current sensor for measuring the temperature of an electrically conductive measurement object or component, wherein the measurement is independent of the distance between the sensor and the measurement object/component, characterized by the determination of the intrinsic temperature of the sensor, preferably at the location of the measuring coil of the sensor, wherein the influence of the intrinsic temperature of the sensor or of a temperature gradient in the sensor on the result of the measurement of the temperature of the measurement object or component is compensated for. A system comprises a corresponding sensor and an electrically conductive measurement object. A method is used to measure the temperature of a measurement object or component using a corresponding sensor.

Classes IPC  ?

• G01K 1/20 - Compensation des effets des variations de température autres que celles à mesurer, p.ex. variations de la température ambiante
• G01K 7/36 - Mesure de la température basée sur l'utilisation d'éléments électriques ou magnétiques directement sensibles à la chaleur utilisant des éléments magnétiques, p.ex. des aimants, des bobines
• G01K 13/08 - Thermomètres spécialement adaptés à des fins spécifiques pour mesurer la température de corps solides en mouvement en mouvement rotatif

Abrégé

An apparatus for measuring the thickness of a measurement object, preferably a measurement object in the form of a web or piece goods, in a measuring gap, with a measuring mechanism which is fitted to a machine frame, wherein the measuring mechanism for measuring the thickness comprises one or more travel measurement sensor(s) aimed at the measurement object, is characterized in that a compensation sensor which is coupled to a travel measurement sensor measures the distance to a reference rule in order to detect and compensate for a change in the measuring gap, in that the reference rule is in the form of a side of a frame-shaped reference device integrated in the measuring mechanism, and in that the reference device is configured in such a manner that the distance between the reference rule and that side of the reference device which is opposite the reference rule is known during the thickness measurement. A corresponding method for measuring the thickness is also stated.

Classes IPC  ?

• G01B 7/06 - Dispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques pour mesurer la longueur, la largeur ou l'épaisseur pour mesurer l'épaisseur
• G01B 11/06 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer la longueur, la largeur ou l'épaisseur pour mesurer l'épaisseur
• G01B 21/08 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour mesurer la longueur, la largeur ou l'épaisseur pour mesurer l'épaisseur

Abrégé

A sensor comprises a preferably multilayered ceramic substrate (2) and at least one sensor element (1) arranged in, at or on the ceramic substrate (2). Contact can be made with the sensor element (1) via a metallic contact (6), wherein the metallic contact (6) is produced by means of a soldering connection that electrically connects the contact (6) to the sensor element (1) and in the process produces a fixed mechanical connection of the contact (6) relative to the ceramic substrate (2). A method for producing the sensor according to the invention is furthermore claimed.

Classes IPC  ?

• B81B 7/00 - Systèmes à microstructure
• H05K 3/40 - Fabrication d'éléments imprimés destinés à réaliser des connexions électriques avec ou entre des circuits imprimés
• H01L 23/15 - Substrats en céramique ou en verre
• H01L 23/498 - Connexions électriques sur des substrats isolants
• B81C 1/00 - Fabrication ou traitement de dispositifs ou de systèmes dans ou sur un substrat

Abrégé

A method for sensing magnetic fields, particularly for sensing the position of objects (3), having a preferably elongate, soft-magnetic element (2) which is connected to electronics (5), wherein the electronics are used to measure the impedance of the soft‑magnetic material, is characterized in that a magnetic field is used by virtue of the position (d) of an object which is in an arrangement relative to the soft‑magnetic material adjusting the magnetic field at the location of the soft‑magnetic material (2), as a result of which the magnetic permeability (μ) of the soft‑magnetic material is adjusted on the basis of the magnetic field and hence on the basis of the position (d) of the object (3). An apparatus (1) of appropriate design is used to apply the method according to the invention.

Classes IPC  ?

• G01D 5/20 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques influençant la valeur d'un courant ou d'une tension en faisant varier l'inductance, p.ex. une armature mobile

Abrégé

A circuit system for evaluating a sensor, wherein the circuit system comprises two complex impedances (2, 3, 13, 14), wherein the complex impedances (2, 3, 13, 14) are each part of a resonant circuit in which the complex impedances (2, 3, 13, 14) can be excited to perform oscillations, and wherein at least one of the two complex impedances (2, 3, 13, 14) are part of the sensor, is characterized with respect to a particularly cost-effective and as simple a circuit design as possible in that a counter (9, 18) and a switch apparatus (8, 16) are provided, wherein the counter (9, 18) can be used to alternately count the oscillations of one of the two resonant circuits, the switch apparatus (8, 16) can be switched when a specifiable counter reading has been reached, and the switch signal of the switch apparatus serves as a pulse width-modulated output signal (11, 21) for the circuit system.

Classes IPC  ?

• G01R 27/02 - Mesure de résistances, de réactances, d'impédances réelles ou complexes, ou autres caractéristiques bipolaires qui en dérivent, p.ex. constante de temps
• G01D 5/243 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques influençant la phase ou la fréquence d'un courant alternatif
• G01D 5/22 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques influençant la valeur d'un courant ou d'une tension en faisant varier l'inductance, p.ex. une armature mobile influençant deux bobines par une action différentielle

Abrégé

A bushing of an electrical conductor through a wall which separates two regions from one another, wherein the conductor extends through a passage in the wall, at a distance from said wall, characterized in that a sleeve, which is electrically insulated from the passage and is hermetically sealed, preferably extends approximately coaxially through the passage, and in that the electrical conductor extends through the sleeve and is incorporated in the sleeve in a hermetically sealed, preferably integral, manner.

Classes IPC  ?

• H02G 15/013 - Moyens d'étanchéité pour entrées de câble
• G01D 1/00 - Dispositions pour la mesure donnant des résultats autres que la valeur instantanée d'une variable, d'application générale
• G01D 15/00 - MESURE NON SPÉCIALEMENT ADAPTÉE À UNE VARIABLE PARTICULIÈRE; DISPOSITIONS NON COUVERTES PAR UNE SEULE DES AUTRES SOUS-CLASSES POUR MESURER PLUSIEURS VARIABLES; APPAREILS COMPTEURS À TARIFS; DISPOSITIONS POUR LE TRANSFERT OU LA TRANSDUCTION DE MESURE NON SPÉCIALEMENT ADAPTÉES À UNE VARIABLE PARTICULIÈRE; MESURES OU TESTS NON PRÉVUS AILLEURS - Parties constitutives des enregistreurs dans les dispositions pour la mesure qui ne sont pas spécialement adaptées à une variable particulière

Abrégé

A sensor comprises a housing which defines a measuring side and a connection side, a coil (6) which is arranged in the housing (1) on the measuring side, and a cover (14) for closing the housing on the measuring side. The housing (1) consists of ferromagnetic material, in particular ferromagnetic steel. The coil (6) is positioned and fixed in the housing close to the cover (14) or directly on the cover (14).

Classes IPC  ?

• H03K 17/95 - Commutateurs de proximité utilisant un détecteur magnétique

Abrégé

The invention relates to a sensor, comprising a sensor element (1) that operates without contact, an electronic component (5), and a housing (2) having an electrical/electronic connection. The sensor element (1) is part of the housing (2) and is used to close and seal the housing (2) with respect to the measurement side (3).

Classes IPC  ?

• G01D 5/00 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière
• G01D 11/24 - Boîtiers
• G01D 11/30 - Supports spécialement adaptés à un instrument; Supports spécialement adaptés à un ensemble d'instruments

Abrégé

The invention relates to a robot for the automatic 3-D measurement of any bodies, in particular for determining geometric dimensions of a body, comprising a sensor system (2) carried by the robot, the robot and/or a movable measuring arm (1), measuring cantilever, or the like that carries the sensor system (2) describing a path in order to move the sensor system (2) relative to the body (7). Said robot is characterized in that the sensor system (2) comprises at least one measuring sensor (3) and at least one compensating sensor (4), the position of the compensating sensor (4) relative to the measuring sensor (3) is constant or known, the difference between a measuring result of the compensating sensor (4) for a reference part (6) or for an already measured part (7) and the known contour of the reference part (6) or the already measured part (7) being used as the inaccuracy of the robot motion in order to compensate the measurement error of the measuring sensor (3) resulting from the inaccurate robot motion. The invention further relates to a method for using the robot according to the invention.

Classes IPC  ?

• G01B 5/00 - Dispositions pour la mesure caractérisées par l'utilisation de techniques mécaniques
• G01B 21/04 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour mesurer la longueur, la largeur ou l'épaisseur en mesurant les coordonnées de points
• G01D 3/036 - Dispositions pour la mesure prévues pour les objets particuliers indiqués dans les sous-groupes du présent groupe pour atténuer les influences indésirables, p.ex. température, pression sur les dispositions de mesure elles-mêmes
• G05B 19/404 - Commande numérique (CN), c.à d. machines fonctionnant automatiquement, en particulier machines-outils, p.ex. dans un milieu de fabrication industriel, afin d'effectuer un positionnement, un mouvement ou des actions coordonnées au moyen de données d'u caractérisée par des dispositions de commande pour la compensation, p.ex. pour le jeu, le dépassement, le décalage d'outil, l'usure d'outil, la température, les erreurs de construction de la machine, la charge, l'inertie
• B25J 9/16 - Commandes à programme
• B25J 19/02 - Dispositifs sensibles

Abrégé

The invention relates to a sensor arrangement for detecting the movement/position of two components of a assembly, which are located close to each other or are disposed one inside the other and can be moved relative to each other, said sensor arrangement comprising at least one first sensor for detecting the movement/position of the one component and a second sensor for detecting the movement/position of the other component, the sensors functioning according to different measuring principles without affecting each other mutually.

Classes IPC  ?

• G01D 5/56 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière utilisant des moyens spécifiés dans plusieurs des groupes , , , et utilisant des moyens électriques ou magnétiques
• F16D 25/10 - Systèmes d'embrayage à plusieurs embrayages actionnés par fluide

Abrégé

In order to achieve the simplest and most reliable possible detectability of the position and/or motion and/or thickness of a thin body (1), a device for detecting the position and/or motion and/or thickness of the thin body (1) made of ferromagnetic material, in particular a blank during the deep drawing of sheet metal, wherein the thin body (1) is arranged at least partially in a gap (4) formed between two bodies (2, 3) and can be moved in the longitudinal direction of the gap (4), wherein at least one of the two bodies (2, 3) has ferromagnetic properties, is designed in such a way that a magnet (8, 20) is associated with one of the two bodies (2, 3), wherein the magnet produces a magnetic field in the edge area of the body (2, 3) facing the thin body (1), that a magnetic field sensor (9) is provided in order to detect a change in the magnetic field distribution caused by the moving thin body (1), and that an evaluation unit is provided in order to evaluate the magnetic field sensor, by means of which evaluation unit a motion and/or position and/or thickness of the thin body (1) can be determined. A corresponding method is specified.

Classes IPC  ?

• B21D 24/10 - Dispositifs commandant ou manœuvrant les serre-flans indépendamment, ou en relation avec les matrices
• G01B 7/00 - Dispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques

Abrégé

A position sensor comprising two coils, the first coil (transmitting coil 1) being fed a certain frequency such that it emits a constant electromagnetic field, and said field being received and/or detected by way of the second coil (receiving coil 3), is characterized in that the axis of the second coil is angled with respect to the axis of the first coil, preferably located at an angle of 90º with respect to the axis of the first coil.

Classes IPC  ?

• G01D 5/20 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques influençant la valeur d'un courant ou d'une tension en faisant varier l'inductance, p.ex. une armature mobile

Abrégé

A circuit system for evaluating a sensor, wherein the circuit system comprises two complex impedances (2, 3, 13, 14), wherein the complex impedances (2, 3, 13, 14) are each part of a resonant circuit in which the complex impedances (2, 3, 13, 14) can be excited to perform oscillations, and wherein at least one of the two complex impedances (2, 3, 13, 14) are part of the sensor, is characterized with respect to a particularly cost-effective and as simple a circuit design as possible in that a counter (9, 18) and a switch apparatus (8, 16) are provided, wherein the counter (9, 18) can be used to alternately count the oscillations of one of the two resonant circuits, the switch apparatus (8, 16) can be switched when a specifiable counter reading has been reached, and the switch signal of the switch apparatus serves as a pulse width-modulated output signal (11, 21) for the circuit system.

Classes IPC  ?

• G01D 5/243 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques influençant la phase ou la fréquence d'un courant alternatif

Abrégé

A sensor arrangement for determining the position and/or change in position of a measurement object relative to a sensor, wherein a magnet (7) is assigned to the measurement object, is configured, with respect to the design of an operationally reliable sensor with low production costs, such that the sensor (1) has a first conductor (2) and a second conductor (3) which is arranged alongside the first conductor (2) and such that a magnetically soft film (5, 6) is arranged in the area of influence of the first and second conductors (2, 3), the permeability of which film changes under the influence of a magnetic field and which film influences the electromagnetic coupling between the first and second conductors (2, 3). A corresponding method is specified.

Classes IPC  ?

• G01D 5/20 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques influençant la valeur d'un courant ou d'une tension en faisant varier l'inductance, p.ex. une armature mobile

Abrégé

According to the invention, a method for compensating for temperature related measurement errors in an optical arrangement, comprising at least one lens is designed with a view to an economical and reliable as possible compensation for temperature related measurement errors without significant increased production expense, wherein a multicolored beam is passed through the optical arrangement, which is focused at points at varying distances from the lens as a result of the chromatic aberration of the lens, at least a part of the spectrum of the light beam being at least partly reflected within the optical arrangement and directed to a detector device by means of which a determination of a spectrum is carried out, the temperature of the arrangement is determined from the spectrum recorded by the detection device and a compensation for temperature related measurement errors is carried out based on the temperature determined thus. A corresponding optical arrangement in disclosed.

Classes IPC  ?

• G01J 3/00 - Spectrométrie; Spectrophotométrie; Monochromateurs; Mesure de la couleur

Abrégé

A method for determining the position and/or change of position of a measured object relative to a sensor, where the sensor preferably has a sensor coil to which an alternating current is applied, is characterized in that a magnet associated with the measured object, in a soft magnetic foil, whose permeability changes under the influence of a magnetic field on the basis of the magnetic field's field strength and which is arranged in the area of influence of the sensor, brings about a change in the permeability of the foil and in that the change in the permeability of the foil is determined from the latter's reaction to the sensor, and this is used to determine the position and/or change of position of the measured object relative to the sensor. A sensor arrangement is designed accordingly.

Classes IPC  ?

• G01B 7/14 - Dispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques pour mesurer la distance ou la marge entre des objets ou des ouvertures espacés

Abrégé

A temperature-measuring device comprises at least two solids with different coefficients of thermal expansion, wherein the solids have a fixed point and expand differently with respect to the fixed point in the event of a change in temperature. In addition, at least one sensor is provided for the purpose of determining the change in length of the solids in the temperature profile, wherein a processor is used to infer the respective temperature by means of the difference in the linear expansion. A method is designed accordingly.

Classes IPC  ?

• G01K 5/52 - Mesure de la température basée sur la dilatation ou la contraction d'un matériau le matériau étant un solide agencé pour se dilater ou se contracter librement avec des moyens de conversion électriques pour l'indication finale
• H01H 37/48 - Interrupteurs actionnés thermiquement - Détails Éléments thermosensibles actionnés par l'expansion ou la contraction d'un solide par tiges ou tubes extensibles et rigides

Abrégé

A method for calibrating a thickness gauge, wherein the thickness gauge measures the thickness of a measurement object in a predefinable measuring direction (Z), comprising at least one displacement sensor (1, 2) operating in a contactless or scanning manner, wherein a reference object (3) having a known thickness and shape is moved into at least a partial region of the measurement field of the at least one displacement sensor (1, 2), comprises the following steps with respect to particularly precise and simple calibration.  First, at least two independent measurement values are recorded by the at least one displacement sensor (1, 2) in at least two predefinable sites on a first surface of the reference object (3) at predefinable times tj, or as a function of predefinable positions pj of the reference object (3) in the measurement field, where j = 1, 2... Then the tilting or spatial position of the reference object in the measurement field is determined based on the measurement values recorded at the times tj, or as a function of the positions pj of the reference object (3). Then, a further measurement value is recorded by the at least one displacement sensor (1, 2) at a further site located in the measuring direction (Z) on a second surface disposed opposite the first surface, or on a surface region of the reference object (3) disposed opposite the first surface, in order to determine a thickness value of the reference object (3) in the measuring direction (Z). Then, the thickness value of the reference object (3) is calculated from the measurement values of the at least one displacement sensor (1, 2) at the times tj or in the positions pj in the measuring direction (Z). Finally, the difference between the calculated thickness value and the known thickness of the reference object (3) is calculated in order to obtain position and tilt or location-dependent corrective values in the partial region or measurement field, in order to compensate for geometric errors and/or non-linearities of the at least one displacement sensor (1, 2) in the partial region or measurement field during thickness measurement.

Classes IPC  ?

• G01B 21/04 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour mesurer la longueur, la largeur ou l'épaisseur en mesurant les coordonnées de points
• G01B 21/08 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour mesurer la longueur, la largeur ou l'épaisseur pour mesurer l'épaisseur

Abrégé

A capacitive anti-pinch means with a first electrode (2) and a second electrode (3), wherein the first electrode (2) and the second electrode (3) form the electrodes of one sensor, is, as regards a measurement which is independent of a ground potential (M1), characterized in that the first electrode (2) can be fed a first potential (Uref+), in that the second electrode (3) can be fed a second potential (Uref-), wherein the second potential (Uref-) is different from the first potential (Uref+), and in that said means are equipped with evaluation electronics (5) which determine the difference between the first potential (Uref+) and the second potential (Uref-) and determine the capacitance (CSensor) of the sensor from said difference. A corresponding method for operating the anti-pinch means (1) is disclosed.

Classes IPC  ?

• H03K 17/955 - Commutateurs de proximité utilisant un détecteur capacitif
• E05F 15/00 - Mécanismes pour battants mus par une force motrice

Abrégé

The invention relates to an inductive sensor arrangement comprising a measurement coil (2), wherein an oscillator (4) supplies the measurement coil (2) with an alternating voltage. In order to improve the measurement behaviour of the sensor arrangement and to reduce sensitivity in relation to lateral closeness, the invention is characterised in that an additional coil (3) is arranged about the measurement coil (2) and the additional coil (3) is connected to an amplifier (6) via which the additional coil (3) can be supplied with voltage (U2) derived from the alternating voltage of the oscillator (4, 8). The invention also relates to a corresponding method.

Classes IPC  ?

• G01B 7/00 - Dispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques
• G01N 27/90 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant des variables magnétiques pour rechercher la présence des criques en utilisant les courants de Foucault

Abrégé

According to the invention, a method for compensating for temperature related measurement errors in an optical arrangement, comprising at least one lens (2) is designed with a view to an economical and reliable as possible compensation for temperature related measurement errors without significant increased production expense, wherein a multicoloured beam (5) is passed through the optical arrangement (1, 1'), which is focussed at points at varying distances from the lens (2) as a result of the chromatic aberration of the lens (2), at least a part of the spectrum of the light beam (5) being at least partly reflected within the optical arrangement (1, 1') and directed to a detector device (12) by means of which a determination of a spectrum is carried out, the temperature of the arrangement (1, 1') is determined from the spectrum recorded by the detection device (12) and a compensation for temperature related measurement errors is carried out based on the temperature determined thus. A corresponding optical arrangement in disclosed.

Classes IPC  ?

• G01B 7/02 - Dispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques pour mesurer la longueur, la largeur ou l'épaisseur
• G01B 11/02 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer la longueur, la largeur ou l'épaisseur

Produits et services

Electronic and electric sensors (included in this class), in particular path-measuring sensors for non-contact path-measuring, test keys, cable-control path sensors; electronic apparatus for signal conditioning in path-measuring sensors, test keys, and cable-control path sensors; sensors for gauging thickness, namely suspended sensors; electronic apparatus for control and signal evaluation in thickness gauging sensors; path and expansion sensors, electric and electronic equipment for signal evaluation relating to path and expansion sensors; strain gauges, load cells; torque measuring equipment, digital voltmeters, amplifiers, digital displays, compensators, electronic assemblies, included in this class, for electronic weighing apparatus, scanners, namely laser scanners; electrical equipment for non-destructive material testing, namely ultrasound testing equipment, ultrasound microscopes, ultrasound tomographs, electric and electronic equipment for sound emission analysis; optical sensors, light barriers; sensors for detecting electromagnetic waves/vibrations; apparatus for qualitative and quantitative image analysis and image processing; electric spot welding apparatus, namely for attaching gauges; computer hardware and computer software, data carriers of all types with programs installed.

Abrégé

A method for determining the position and/or change of position of a measured object relative to a sensor (2), where the sensor (2) preferably has a sensor coil (7) to which an alternating current is applied, is characterized in that a magnet (5) associated with the measured object (1), in a soft magnetic foil (4), whose permeability changes under the influence of a magnetic field on the basis of the magnetic field's field strength and which is arranged in the area of influence of the sensor (2), brings about a change in the permeability of the foil (4) and in that the change in the permeability of the foil (4) is determined from the latter's reaction to the sensor (2), and this is used to determine the position and/or change of position of the measured object (1) relative to the sensor (2). A sensor arrangement is designed accordingly.

Classes IPC  ?

• G01D 5/20 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques influençant la valeur d'un courant ou d'une tension en faisant varier l'inductance, p.ex. une armature mobile
• G01D 5/22 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques influençant la valeur d'un courant ou d'une tension en faisant varier l'inductance, p.ex. une armature mobile influençant deux bobines par une action différentielle
• G01B 7/00 - Dispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques
• H01H 36/00 - Interrupteurs actionnés par la variation du champ magnétique ou champ électrique, p.ex. par le changement de la position relative d'un aimant et d'un interrupteur, par écran
• H03K 17/95 - Commutateurs de proximité utilisant un détecteur magnétique

Abrégé

The invention relates to a device for measuring surfaces and to a method, which uses, preferably, the device. The device comprises a light source which is used to produce a multi-colored light beam. The light beam can be focused by an imaging optical system on a plurality of points which are arranged at different distances from the imaging optical system, using the chromatic aberration of the optics. The focused light beam can be deviated to a point of the surface. A sensor device is provided in order to detect the reflected light beam. The aim of the invention is to maintain the largest distance possible between the measuring head and the object. The imaging optical system comprises an optical system for the targeted circulation of a chromatic aberration and an additional optical system which is used to form the focused light beam emerging from the imaging optical system.

Classes IPC  ?

• G01N 21/55 - Réflexion spéculaire

Produits et services

Electronic and electric sensors included in this class, namely, path-measuring sensors for non-contact path-measuring, sensors for displacement, distance and position, namely, capacitive displacement and position sensors, eddy current/inductive sensors for displacement and position, linear inductive LVDT sensors, laser sensors for displacement and position, confocal chromatic sensors for displacement and position, laser distance sensors for extra long ranges, draw-wire displacement sensors, 2D/3D sensors for position, profile and dimension, namely, high resolution optical micrometers, 2D/3D laser profile sensors, infrared sensors for temperature measurement, namely, temperature sensors with laser aiming, temperature sensors with integrated controllers, universal temperature sensors, handheld pyrometers with laser sighting, speed and length sensors, test keys as electronic and electric measuring sensors/calipers, cable-control path sensors; electronic sensors for gauging thickness of metals in the area of automotive engineering, and industrial applications; [ measuring apparatus, namely, resistance strain gauges for measuring stress-strain curves, and weighing cells as part of weighing equipment, namely, scales and balances; digital torque gauges; ] digital voltmeters, amplifiers, liquid crystal digital displays, motion compensators, electronic cable assemblies, included in this class, for use with electronic weighing apparatus and scanners, namely, laser scanners; [ electrical equipment for non-destructive material testing, namely, ultrasound testing equipment, namely, ultrasound microscopes, ultrasound tomographs as ultrasonic equipment used to test or inspect damage to materials used in automotive and industrial applications; electric and electronic equipment for sound emission analysis, namely, sound recording apparatus; ] optical sensors in the nature of light barriers, namely, photo-electric barriers, electric and sensor barriers as photoelectric, electronic and sensor guards and light curtains; electronic sensors for detecting electromagnetic waves and vibrations; apparatus for qualitative and quantitative image analysis and image processing, namely, apparatus and computer hardware for recording, transmission, processing and reproduction of sound, images or data; [ lectric spot welding apparatus, namely, welding torches for attaching gauges; ] computer hardware and computer software for use as computer application software for the fast creation of industrial applications and visual programming, namely, in the areas of data acquisition and control, automation, quality control, image processing, research and development, education

Abrégé

As regards a measurement structure which is as simple as possible and in order to influence the mixing operation or the transfer of substances to the slightest possible extent, a method for measuring the mixing ratio of a mixture of substances comprising at least two substances (10, 11) is configured in such a manner that the mixture of substances is brought into the measurement range of a capacitive sensor (1) - in particular is moved past the latter or moved through the latter - and the mixing ratio is determined from the change in the capacitance of the sensor (1), which change is caused by the mixture of substances. A corresponding sensor arrangement in which the mixture of substances is guided through a tubular area (2) is specified.

Classes IPC  ?

• G01N 27/22 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant l'impédance en recherchant la capacité
• G05D 11/13 - Commande du rapport des débits de plusieurs matériaux fluides ou fluents caractérisée par l'usage de moyens électriques

Abrégé

A cable length sensor, in particular, a bowden cable displacement sensor, comprising a cable drum (1), a measuring cable (2) wound on the cable drum (1) and a return device (4) at least lightly pre-tensioned in the start position, wherein the measuring cable (2) may be withdrawn by rotating the cable drum (1) against the force of the return device (4) and by withdrawing the measuring cable (2) the return device (4) may be further tensioned, characterised in that the return device (4) is arranged in a housing (5), coupling means (6) for coupling the return device (4) to the rotating movement of the cable drum (1) are provided and the housing (5) is or may be provided with determining means (7) operated from outside the housing (5) for determining the current position of the return device (4), in particular the at least lightly tensioned starting position of the return device (4).

Classes IPC  ?

• G01B 3/11 - Chaînes pour mesurer les longueurs
• B66D 5/32 - Dispositifs de détente

Abrégé

The invention relates to a circuit for adjusting an impedance between two terminals, said impedance including the input impedance of the circuit. The aim of the invention is to enlarge the adjustment range and to stabilize the operating behavior of such a circuit. For this purpose, the circuit comprises amplifiers, adjusting means with which amplification of at least one amplifier and/or the circuit can be changed in general and the impedance between the two terminals can be modified by influencing the one or more adjusting means.

Classes IPC  ?

• H03H 11/46 - Réseaux à un accès

Abrégé

A device and method for checking surfaces in the interior of holes, depressions, or the like. The device and method are developed in such a manner that a multicolor light beam can be produced with a light source, wherein a light beam, due to the chromatic aberration of the imaging optics, can be focused onto several points at different distances from the imaging optics, such that the distance to the surface can be determined from the spectrum of the detected light beam.

Classes IPC  ?

• G01N 21/88 - Recherche de la présence de criques, de défauts ou de souillures
• G01B 11/00 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques