In an embodiment a LIDAR system includes a light emission system having a light deflection device configured to receive polarized light and to deflect the received light towards a first direction in accordance with a polarization of the received light and an optical arrangement configured to absorb or reflect a second portion of the light deflected by the light deflection device travelling in a second direction based on a polarization of the second portion of the deflected light.
G01S 7/499 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group using polarisation effects
G01S 7/481 - Constructional features, e.g. arrangements of optical elements
2.
DEVICE AND METHOD FOR STERILISING A FLUID FLOWING THERETHROUGH
A device for sterilising a fluid flowing therethrough by comprises a container having an inlet for receiving the fluid and an outlet for discharging the fluid, a variable or adjustable irradiation zone for irradiating the fluid with UV radiation. The irradiation zone including a gap which extends between two oppositely arranged walls. The distance between the walls, and thus the gap size of the gap, can be changed by at least one wall being movable. For example, the wall is a wall of a displaceable body that is located inside the container or projecting into the container. By adjusting the distance between the walls in the region of the gap, and thus the layer thickness of the fluid flowing through the gap, the efficiency of the operation of the device is optimised with different scattering and absorption properties of the fluid.
In an embodiment a lamp includes a lamp body extending in a first direction along a longitudinal axis between a proximal base portion and a light-reflective distal front surface, the distal front surface extending transverse to the longitudinal axis and having an outer edge and a linear array of a plurality of solid-state light sources arranged distally of the distal front surface of the lamp body, the linear array of solid-state light sources extending in a second direction transverse to the longitudinal axis and having a length in the second direction longer than a width across the second direction, wherein the light-reflective distal front surface tapers from the outer edge towards the linear array of solid-state light sources and comprises two opposed surface portions each extending from the outer edge to a linear inner edge line.
F21K 9/68 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction - Details of reflectors forming part of the light source
F21K 9/232 - Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
F21S 43/19 - Attachment of light sources or lamp holders
F21K 9/235 - Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings - Details of bases or caps, i.e. the parts that connect the light source to a fitting; Arrangement of components within bases or caps
In an embodiment a light detection system includes a detector configured to provide a received light signal and a processing circuit configured to identify a number of peaks in the received light signal and to estimate a signal-to-noise ratio associated with the received light signal based on the number of identified peaks.
In an embodiment a light emitting device includes a light source, a switching element having an input capacitance associated therewith, the switching element being configured to control a current flow to the light source in accordance with a charging of the input capacitance; a voltage control element coupled with the switching element and having a voltage supply node, the voltage control element having a second capacitance associated therewith, wherein the voltage control element and an input of the switching element are coupled to one another such that the voltage control element and the input of the switching element form a capacitive voltage divider and a driving element configured to provide a driving voltage at the voltage supply node, the driving voltage being greater than a maximum allowable input voltage of the switching element, wherein a relationship between the input capacitance and the second capacitance is in accordance with a relationship between the driving voltage and the maximum allowable input voltage.
The invention relates to a device for sterilising a fluid flowing therethrough, said device comprising: a container having an inlet for receiving the fluid and having an outlet for discharging the fluid from the container; a body having a surface which is at least in part curved, the body being positioned within the container in such a way that the fluid flowing into the container via the inlet washes over or around at least part of said body at least in the region of its surface that is curved. The device also comprises a plurality of LEDs which are each designed to emit light having wavelengths in the range of UV radiation, preferably UV-C radiation. The LEDs are designed to irradiate the fluid washing over or around the curved surface of the body with the UV radiation of the LEDs.
A phosphor composition may include first and second phosphors configured to emit light of a first and a second unsaturated color, respectively. The first unsaturated color may be associated with a first position in a CIE standard color chart adjacent to and above a position of a selected target color of the phosphor composition in the CIE standard color chart. The second unsaturated color may be associated with a second position in a CIE chromaticity diagram adjacent to and below the position of the selected target color of the phosphor composition in the CIE chromaticity diagram. Thereby, the position of the selected target color of the phosphor composition in the CIE chromaticity diagram may be located in an area defined by corner positions R=(cx; cy) given by R1=(0.645; 0.335), R2=(0.665; 0.335), R3=(0.735; 0.265), and R4=(0.721; 0.259).
In an embodiment an electronic load for installation in a power supply of a vehicle lamp includes a first connection node connected to two first connection sections adapted to be connected between respective corresponding connection sections of a first line carrying a voltage potential, a second connection node connected to two second connection sections adapted to be connected between respective corresponding connection sections of a second line carrying a reference potential, wherein a difference between the voltage potential and the reference potential comprises a supply voltage configured to be supplied to the vehicle lamp and a current sink circuit coupled between the first and second connection nodes, the current sink circuit configured to cause a substantially constant current flow independently of a time-varying supply voltage from at least one of the first connection sections to at least one of the second connection sections.
H05B 45/3575 - Emulating the electrical or functional characteristics of incandescent lamps by means of dummy loads or bleeder circuits, e.g. for dimmers
H05B 45/50 - Circuit arrangements for operating light-emitting diodes [LED] responsive to LED life; Protective circuits
A table-top apparatus for generating a substantially microbe-inactivated room zone comprises a housing with an interior, which has a longitudinal axis, a blower device designed to receive air from outside and convey it into the interior, a radiation source designed to emit light in the UV-C spectral range into the interior, in order to inactivate or kill off microbes in the received air, and an air outlet device through which the sterilized air can flow from the interior into a space surrounding the housing. The air outlet device is designed to produce a preferably laminar flow in the outflowing air, which supports the formation of the substantially microbe-inactivated room zone within the surrounding space. The substantially microbe-inactivated room zone generated in this way is closed off and completely envelops the housing when the latter is viewed in a plane perpendicular to the longitudinal axis of the housing.
F24F 13/06 - Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
F24F 8/22 - Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using UV light
F24F 3/16 - Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by ozonisation
In an embodiment, a LIDAR system includes a detector having a plurality of detector pixels configured to detect a light signal, wherein the detector pixels are arranged in a two-dimensional array, a light emission system configured to emit a light signal into a field of view of the LIDAR system and one or more processors configured to associate a first detected light signal provided by a first set of detector pixels of the plurality of detector pixels with a direct reflection of the emitted light signal and associate a second detected light signal provided by a second different set of detector pixels of the plurality of detector pixels with a light signal other than the direct reflection of the emitted light signal, wherein the one or more processors are configured to associate the second detected light signal with a light signal from an external emitter located outside the LIDAR system.
In an embodiment a reflector optical system includes a reflector body having a rotational symmetry about a longitudinal axis and including a first reflector optic portion having a substantially concave shape and a second reflector optic portion extending along the longitudinal axis, the first reflector optic portion facing the second reflector optic portion, wherein the first reflector optic portion includes a plurality of first reflective surfaces and the second reflector optic portion includes a plurality of second reflective surfaces in spaced light-receiving relation to the plurality of first reflective surfaces.
F21S 41/33 - Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
F21S 41/148 - Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device the main emission direction of the LED being perpendicular to the optical axis
F21S 41/365 - Combinations of two or more separate reflectors successively reflecting the light
F21S 45/47 - Passive cooling, e.g. using fins, thermal conductive elements or openings
An automotive solid-state headlamp includes a lamp body extending in a longitudinal direction, the lamp body having a rear base portion and a front portion and including a support member and a light-transmissive housing, a plurality of solid-state light sources arranged on the support member at the rear base portion of the lamp body, a drive circuitry electrically coupled to the light sources and arranged at the rear base portion of the lamp body and configured to operate the plurality of light sources when energized and reflector optics arranged at the front portion, wherein the solid-state light sources are configured to emit light towards the reflector optics, the reflector optics including a first reflector optic portion and a second reflector optic portion and wherein each of a plurality of first reflective surfaces disposed on the first reflector optic portion extend in an annular region around the longitudinal direction from the plurality of solid-state light sources towards the first reflector optic portion.
In an embodiment an automotive solid-state headlamp includes a lamp body extending in a longitudinal direction, the lamp body having a rear base portion and a front portion and including a support member disposed in a light-transmissive housing, a plurality of solid-state light sources arranged on the support member at the rear base portion of the lamp body, and a drive circuitry electrically coupled to the light sources and arranged at the rear base portion of the lamp body and configured to operate the plurality of light sources when energized, wherein the plurality of light sources, when energized, are configured to cause the solid-state lamp to emit, through the light-transmissive housing (a) a luminous flux of at least 1500 lumens +/−10% when energized with a 13.2 Volt test voltage, or of at least 1750 lumens +/−10% when energized with a 28 Volt test voltage, or (b) a luminous flux of at least 1350 lumens +/−10% when energized with a 13.2 Volt test voltage, or of at least 1600 lumens +/−10% when energized with a 28 Volt test voltage.
A lamellar arrangement for shielding radiation acting on a fluid which flows through an interior of a device, comprises two or more lamellae aligned substantially parallel to one another and respectively defining an intermediate space between them, wherein at least one subset of the lamellae is respectively subdivided into at least three lamella sections comprising a first lamella section, a second lamella section next to the first lamella section and a third lamella section next to the second lamella section. The first lamella section and the second lamella section in this case enclose a first angle between them, and the second lamella section and the third lamella section enclose a second angle between them. The first angle has a magnitude in a range of from 20° to 45° and the second angle has a magnitude in a range of from 20° to 45°.
A method for operating a discharge lamp by modulating a current signal is presented. The discharge lamp is operated with at least two different frequencies. At first a probability distribution function for a first number of first frequency periods and a second number of second frequency periods is defined. Next, the first number of first frequency periods and the second number of second frequency periods are determined depending on the probability distribution function by at least one random number. The current signal is modulated by applying the first number of first frequency periods and the second number of second frequency periods to the current signal for operating the discharge lamp.
Disclosed herein is a cooling device, comprising a cooling plate and a cooling cap, for cooling a heat source, mounted to an outer interface surface of the cooling plate, by means of a cooling fluid. Several spiral-shaped fins are integrated into the cooling plate to form a structure in the shape of a multi-spiral. The fins are arranged next to each other in a mutual distance to form spiral-shaped flow channels for a cooling fluid. An inlet for inflowing the cooling fluid at the center of the multi-spiral fins structure is integrated into the cooling cap. The cooling cap is configured and arranged on the cooling plate so that the inlet is positioned above the center of the multi-spiral fins structure.
The invention describes a method for operating a discharge lamp by adapting a current signal. A distribution function is defined for gathering several time span values that define several different time spans. The several time span values are determined depending on the distribution function by one or more random numbers. The current signal is commutated at every instant of time according to an expiry of each of the several time spans. A light apparatus is provided with a control unit to perform any method.
In an embodiment a LED chip insert for a printed circuit board includes a lead frame in which a number of electrically conductive strings with respective ends are formed by punching, the strings having support surfaces which are configured for mounting on the printed circuit board and which form a common plane, wherein the lead frame has a region formed as a recess with respect to the ends, an injection molded frame including an electrically insulating material and annularly surrounding a surface of the lead frame exposed within the region formed as the recess facing the ends of the strings, and thereby effecting an overall trough-like structure; and at least one LED chip which is placed in the region formed as the recess and has a first electrical contact terminal and a second electrical contact terminal, the first electrical contact terminal being electrically conductively connected to a first one of the strings and the second electrical contact terminal being electrically conductively connected to a second one of the strings.
An optical arrangement for disinfection in apparatuses operating with air or a liquid comprises at least one radiation source or at least one group of radiation sources, which emits or jointly emit radiation in the ultraviolet wavelength range, at least one beam collecting optical unit, which collects the radiation emitted by the radiation source or the group of radiation sources, a number of beam delivering optical units, each configured to receive the radiation collected by the at least one beam collecting optical unit, and also a number of effect zones spatially separated from one another, into which the radiation delivered via the beam delivering optical units is emitted in order to bring about a disinfecting effect.
F24F 8/22 - Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using UV light
G02B 6/32 - Optical coupling means having lens focusing means
An apparatus for sterilizing a liquid comprises a container (10) having an inlet (12), an outlet (14) and an interior (16) with an outer wall (18), and at least one light source (32) which is adapted to emit radiation in the ultraviolet wavelength range, in particular UV-C radiation, through the outer wall (18) into the interior (16), the outer wall (18) of the interior (16) for this purpose being configured to be at least partially transparent. The inlet (12) comprises at least one opening (28), which is positioned and aligned in relation to the outer wall (18) of the interior (16) and the at least one light source (32) in order, when a pressure is exerted on the liquid to be admitted through the at least one opening (28) and to be sterilized, to form a liquid jet (30) directed onto the outer wall (18) in a region of the at least one light source (32) and/or above the latter, and/or to form a liquid film (31) there. The liquid jet (30) impinging on the outer wall (18) may, for example, flow down thereon as a thin liquid film (31) in front of the at least one light source (32) and thereby lead to effective sterilization even with a low penetration depth of the UV radiation.
C02F 1/32 - Treatment of water, waste water, or sewage by irradiation with ultraviolet light
C02F 1/00 - Treatment of water, waste water, or sewage
B05B 1/12 - Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means capable of producing different kinds of discharge, e.g. either jet or spray
B05B 15/50 - Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
An apparatus for sterilizing a liquid comprises a container having an inlet, an outlet and an interior with an outer wall which defines a first section and a second section, the first section being configured to receive the liquid. A rotatable arrangement set up in the interior with a surface is furthermore provided, the rotatable arrangement being configured in such a way that during a rotation the surface moves from the first section into the second section and from there back into the first section. The apparatus furthermore comprises at least one radiation source which is adapted to emit radiation in the ultraviolet wavelength range.
The invention relates to a device for irradiating a liquid with electromagnetic radiation, in particular for sterilizing an in particular flowing liquid by means of UV radiation (UV reactor), comprising a container having an inlet for receiving the liquid and having an outlet for releasing the liquid from the container, wherein within the container a variable or adjustable irradiation zone is provided for irradiating the liquid with electromagnetic radiation, in particular UV radiation, emitted by a radiation source. In the irradiation zone the liquid is configured in the form of a liquid layer having the layer thickness which extends between the underside of the container and a gas bubble expanding above the liquid layer.
The present disclosure relates to various embodiments of an optical component for a LIDAR Sensor System. The optical component includes a first photo diode implementing a LIDAR sensor pixel in a first semiconductor structure and configured to absorb received light in a first wavelength region, a second photo diode implementing a camera sensor pixel in a second semiconductor structure over the first semiconductor structure and configured to absorb received light in a second wavelength region, and an interconnect layer (e.g. arranged between the first semiconductor structure and the second semiconductor structure) including an electrically conductive structure configured to electrically contact the second photo diode. The received light of the second wavelength region has a shorter wavelength than the received light of the first wavelength region.
The present disclosure relates to various embodiments of an optical package for a LIDAR sensor system having a substrate including an array of a plurality of capacitors formed in the substrate, a plurality of switches formed in the substrate, where each switch is connected between at least one laser diode and at least one capacitor of the plurality of capacitors; and at least one laser diode being mounted in close proximity to the plurality of capacitors on the substrate in order to provide small parasitic inductances and capacitances. A processor is configured to control the plurality of switches to control a first current flow to charge the plurality of capacitors, wherein the processor is configured to control the plurality of switches to control a second current flow to drive the at least one laser diode with current discharged from at least one capacitor of the plurality of capacitors.
In an embodiment a LIDAR device includes a processing circuit configured to receive a request for a software modification of the LIDAR device and authenticate the request for the software modification via an exchange of authentication data over a standard communication interface and an optical communication interface, wherein the optical communication interface is provided by an optoelectronic component of the LIDAR device.
An image displaying device includes a micro-LED-array having several LEDs, a controller electrically connected to the micro-LED-array for driving the LEDs such that they emit light, and a lens-array having several lenses. Each lens is assigned to one of the LEDs. Each lens is arranged in the light path of the light emitted by the corresponding LED such that the light emitted by the LEDs passes through the corresponding lens and is projected onto a screen. The lens-array is configured such that, when seen from the screen, a virtual image of the micro-LED-array is formed behind the micro-LED-array. The lens-array is a meta-lens-array and the lenses are meta-lenses.
A system for providing a wireless network may include a plurality of wireless access points for a delimited spatial area in a building or physical structure. At least one spatial zone controller may be connected to at least some of the wireless access points and is configured to receive, via the wireless access points connected to the controller, device information regarding a terminal logging into the network and/or regarding an external wireless access point, and to determine the spatial position of the terminal and/or of the external wireless access point or the physical structure. In addition, a central security controller may be connected to the spatial zone controller to provide an access control list. The spatial zone controller may be configured to compare the received device information and the determined spatial position with the access control list.
H04L 29/06 - Communication control; Communication processing characterised by a protocol
H04W 12/64 - Location-dependent; Proximity-dependent using geofenced areas
H04W 48/04 - Access restriction performed under specific conditions based on user or terminal location or mobility data, e.g. moving direction or speed
A method for machine-based training of a computer-implemented network for common detecting, tracking, and classifying of at least one object in a video image sequence having a plurality of successive individual images. A combined error may be determined during the training, which error results from the errors of the determining of the class identification vector, determining of the at least one identification vector, the determining of the specific bounding box regression, and the determining of the inter-frame regression.
A method for determining a distance (d) and a reflectivity of an object surface (14) using a laser source (10) that emits light (12) at a certain power and using a detector (16) that detects a level of irradiance of light (18) reflected by or scattered back from the object surface (14) and that outputs a time-dependent voltage signal on the basis thereof comprises: setting (100, 110, 220, 230, 240) the laser source (10) so that the latter emits light (12) at a specified first value of power in at least one pulse, setting (100, 110) the detector (16) so that the latter emits outputs a first voltage signal with a specified second value for a gain factor on the basis of a level of irradiance of the detected reflected or back-scattered light (18), determining (120, 260) a first value for the distance of the object surface (14) from a measured light time-of-flight (ToF) assigned to the first voltage signal, adapting (130, 150 220) the first value of the power of the laser source (10) and/or the second value of the gain factor of the detector (16) on the basis of the determined first value for the distance (d), emitting (110, 240) light (12) again using the laser source (10) and detecting the reflected or back-scattered light (18) by the detector (16) and outputting a corresponding second voltage signal using the adapted first and/or second value, determining (120, 260) a second value for the distance (d) of the object surface from a measured light time-of-flight (ToF) assigned to the second voltage signal.
Systems and methods disclosed herein includes a distance-measuring unit for measuring a distance to an object located in a detection field based on a time-of-flight signal. The distance-measuring unit includes an emitter unit for emitting laser pulses, an optical unit coupling the emitter unit to the detection field, the optical unit configured to guide the laser pulses into the detection field during operation, and a receiver unit having a sensitive sensor surface for receiving laser pulses reflected at the object as echo pulses, wherein the receiver unit is coupled to the detection field by means of the optical unit such that the echo pulses received from the detection field are guided through the optical unit onto the sensor surface during operation.
Systems and methods disclosed herein include distance-measuring unit for measuring a detection field based on a time-of-flight signal. The distance-measuring unit includes an emitter unit for emitting laser pulses, an optical unit for guiding the laser pulses into different solid angle segments, a sensor unit for receiving echo pulses from the solid angle segments, and a logic assembly configured to read the sensor unit, wherein at least the emitter unit, the optical unit, and the sensor unit are arranged on a common substrate.
A method for manufacturing a light-emitting device may include producing a support having at least one conductor track on a surface of the support. The method may further include producing a reflective coating directly on the at least one conductor track by means of a film transfer method such that the conductor track is substantially covered by the reflective coating and arranging a light-emitting component on or above the reflective coating. The light-emitting component may be electrically conductively connected to the conductor track(s).
An LED arrangement includes two current connection regions arranged on a substrate, a plurality of LED groups including LEDs, each having first and second LED contact regions. The LED arrangement includes a plurality of electrically conductive coating regions spatially separated from one another on the substrate and each subdivided into contact and transition regions, wherein the second current connection region constitutes one of the transition regions, each LED group is arranged on exactly one assigned coating region, one of the current connection regions electrically conductively connects to a second LED contact region of one of the LEDs arranged at the edge region, and, apart from the other current connection region, a relevant transition region electrically conductively connects to a second LED contact region of one of the LEDs of an adjacent LED group arranged at the edge region such that the plurality of LED groups are connected in series.
H01J 9/02 - Manufacture of electrodes or electrode systems
F21V 19/00 - Fastening of light sources or lamp holders
H01L 33/62 - Arrangements for conducting electric current to or from the semiconductor body, e.g. leadframe, wire-bond or solder balls
H01L 25/075 - Assemblies consisting of a plurality of individual semiconductor or other solid state devices all the devices being of a type provided for in the same subgroup of groups , or in a single subclass of , , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
A tracking system for tracking objects within a field of view is disclosed. The field of view may include a first zone and an adjacent zone of interest where at least two gates are associated with respective sides of the first zone within the field of view. The first camera is configured to detect when an object crosses one of the at least two gates and track the object throughout the first zone and the zone of interest. The tracking system is configured to generate a first event message in response to the object being tracked from one of the gates into the zone of interest and subsequently leaving the first zone through a dedicated gate of the at least two gates.
A conversion element, an optoelectronic component, an arrangement and a method for producing a conversion element are disclosed. In an embodiment an arrangement includes a conversion element having a wavelength converting conversion material, a matrix material in which the conversion material is embedded and a substrate on which the matrix material with the embedded conversion material is directly arranged, wherein at least one condensed sol-gel material, and a laser source configured to emit primary radiation during operation, wherein the conversion element is arranged in a beam path of the laser source, wherein the conversion element is mechanically immovably mounted with respect to the laser source, and wherein the primary radiation of the laser source is dynamically arranged to the conversion element.
F21V 9/32 - Elements containing photoluminescent material distinct from or spaced from the light source characterised by the arrangement of the photoluminescent material
C09K 11/02 - Use of particular materials as binders, particle coatings or suspension media therefor
In an embodiment a passive matrix LED display module includes n>1 first electrical lines connected to a respective first switch, m>1 second electrical lines connected to a respective second switch and at least m·n LED light sources, wherein each of the LED light sources is connected on an anode side to a first line and on a cathode side to a second line, wherein each of the first switches is a push-pull switch having a first terminal for connection to an LED supply voltage, a second terminal for connection to an adjustable discharge potential, a third terminal for receiving a switching signal and a fourth terminal for connection to an associated first line, wherein each of the second switches in a switched state is configured to allow current to flow to a reference potential, and wherein the second terminals of the push-pull switches are connected in common to an output voltage terminal of an adjustable voltage source.
G09G 3/32 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
A cathode material for use in a high-pressure discharge lamp contains a matrix based on tungsten having a tungsten content of greater than or equal to 95% by weight, tungsten carbide, and oxides and/or predominantly oxidic phases of one or more emitter elements from the group of rare earth metals, Hf, and Zr. The cathode material additionally contains predominantly carbidic phases of the one or more emitter elements from the group of rare earth metals, Hf, and Zr. A high-pressure discharge lamp would contain such a cathode composed of the above cathode material.
A system and a method for operating a lighting device may include a transmission device and an optional communication unit. The transmission device may be configured to wirelessly transmit a radio signal with identification data specific to the transmission device of the lighting device via at least two radio channels. The transmitted radio signal transmitted via a respective one of the at least two channels may include channel data with respect to the respective one of the radio channels. In a non-limiting embodiment, the transmission device is a beacon.
H05B 47/19 - Controlling the light source by remote control via wireless transmission
G01S 1/04 - Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves - Details
H01Q 1/44 - ANTENNAS, i.e. RADIO AERIALS - Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna
H04W 52/16 - Deriving transmission power values from another channel
G01S 5/02 - Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
H04W 72/0446 - Resources in time domain, e.g. slots or frames
A light device may include a printed circuit board having at least one conductive section. An LED may be electrically connected and fixed on a conductive section of the printed circuit board by means of a soldered connection. The printed circuit board may also include a coating-type insulating layer and/or the conductive section has an edge. The fixing region of the LED is connected to a discharge space by means of an outlet, so that during the production process, melted solder can flow off in a defined manner. The arrangement and/or embodiment of the outlet is such that in a preferred direction of movement of the LED is developed in order to position same in a defined manner.
H05K 1/11 - Printed elements for providing electric connections to or between printed circuits
H05K 1/18 - Printed circuits structurally associated with non-printed electric components
H05K 3/34 - Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
A lighting device that illuminates textiles by optical waveguides includes a body that receives the optical waveguide; a clamping device for the received optical waveguide; and a lighting module, wherein the lighting module is arranged within the body to enable light emitted by the lighting module during operation to be coupled into the optical waveguide, and the clamping device is adapted to repeatedly clamp and release the optical waveguide.
F21V 17/16 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts of the lighting device; Snap action mounting
F21V 8/00 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems
F21V 21/08 - Devices for easy attachment to a desired place
G02B 6/42 - Coupling light guides with opto-electronic elements
A multi-COB-LED lighting module includes a submount; and a plurality of clusters of LED-chips that emit light radiation in respective emission bands, wherein each LED-chip cluster includes a plurality of LED-chips arranged on the submount by chip on board technology and emit light radiation in a respective emission band, and at least two LED-chips of at least a first LED-chip cluster each borders with a plurality of LED-chips belonging to one or more clusters of LED-chips different from the first LED-chip cluster and connect one to the other by at least a wire bond that extends above one or more of the adjoining LED-chips.
H01L 25/075 - Assemblies consisting of a plurality of individual semiconductor or other solid state devices all the devices being of a type provided for in the same subgroup of groups , or in a single subclass of , , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
H01L 33/48 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor body packages
H01L 33/62 - Arrangements for conducting electric current to or from the semiconductor body, e.g. leadframe, wire-bond or solder balls
H01L 27/15 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components with at least one potential-jump barrier or surface barrier, specially adapted for light emission
H01L 33/38 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the electrodes with a particular shape
A system and a method may be used for operating and/or calibrating a transmitter device. The system and method may include wirelessly transmitting a radio signal with identification data specific to the transmitter device and reference data. The transmitter device may transmit the radio signal with signal properties at least partially dependent on the reference data. A communication device may receive the radio signal and ascertain a distance between the transmitter device and the communication device using reception-side signal properties and the reference data ascertained from the received radio signal. A distance sensor may detect a distance between the transmitter device and the communication device. An evaluation unit may ascertain the reference data depending on the reception-side signal properties of the radio signal and the detected distance and to provide the ascertained reference data in the transmitter device for calibrating the transmitting device.
H05B 47/19 - Controlling the light source by remote control via wireless transmission
G01S 1/02 - Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
49.
Electrode for a discharge lamp, discharge lamp and method for producing an electrode
The invention relates to an electrode for a discharge lamp, wherein the electrode has a base body having an electrode plateau providing an end face of the electrode, wherein the base body is delimited by the electrode plateau in a longitudinal extension direction of the electrode. Furthermore, the electrode has a coating, arranged in at least a first region of the base body that is different from the electrode plateau, to increase an emission of heat. In addition, the electrode has an at least partially contiguous free region of the base body extending at least partly in the longitudinal extension direction as far as the electrode plateau, in which the coating for increasing the emission of heat is not arranged, and wherein the first region adjoins at least one section of the free region in the circumferential direction of the electrode.
Aspects of the present disclosure include arrays of motion sensors that may be used to monitor a space to determine occupancy characteristics of the space, such as whether or not the space is occupied and the number of people located within the space. The array of motion sensors may be operatively connected to one or more building system components, such as lighting and HVAC equipment and can be used for adjusting an operating condition of the building system component based on whether a space is occupied.
Phospher particles with a Protective Layer and a method for producing phosphor particles with a protective layer are disclosed. In an embodiment the method includes treating Si-containing and/or Al-containing phosphor with an acid solution, wherein a pH value of the acid solution is maintained within a range of pH 3.5 to pH 7 for a period of at least 1 h, wherein an Si-containing layer is formed on the phosphor particles, wherein the Si-containing layer has a higher content of Si on a surface than the phosphor particles, and/or wherein an Al-containing layer is formed on the phosphor particles, wherein the Al-containing layer has a modified content of aluminum on the surface than the phosphor particles and tempering the treated phosphor particles at a temperature of at least 100° C. thereby producing the protective layer.
4 tetrahedra arranged in a 3D network, in which layers in an a-c plane are linked in a b-direction, and wherein pure Sr positions and positions having a mixed Sr/Ca population are intercalated between the network, layer by layer.
H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes
A method for the redundant transmission of data by means of light-based communication may include a data stream to be transmitted that is converted into symbols. This data stream is converted from bipolar symbols into multiple partial data streams having e.g. unipolar-positive symbols. The partial data streams are converted into multiple semi-redundant signals that are then transmitted to the receiver via multiple light-based channels. In the receiver, the received signals are converted back again analogously to when they were sent, in order to obtain the original data stream again.
A luminous fiber may include a flexible printed circuit board extending in a length direction of the fiber, at least one electrically conductive trace being formed on the flexible printed circuit board, at least one light emitting component being arranged on the flexible printed circuit board and being electrically connected to the trace, and a lateral strengthening structure for strengthening the luminous fiber in lateral direction perpendicular to the length direction. The lateral strengthening structure may include two frame bars, which are formed on the flexible printed circuit board and which extend in the length direction of the fiber. The lateral strengthening structure may include several lateral support elements, which are formed on the flexible printed circuit board between the frame bars and which are coupled to the frame bars.
F21S 4/24 - Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports flexible or deformable, e.g. into a curved shape of ribbon or tape form, e.g. LED tapes
H05K 1/18 - Printed circuits structurally associated with non-printed electric components
H05K 1/14 - Structural association of two or more printed circuits
H05K 3/30 - Assembling printed circuits with electric components, e.g. with resistor
D03D 1/00 - Woven fabrics designed to make specified articles
F21Y 105/16 - Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array square or rectangular, e.g. for light panels
F21Y 103/10 - Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
An electrode arrangement for a discharge lamp is provided, including an electrode unit including an electrode and an electrode plate, and a conductive connection unit for coupling to an energy source. The connection unit includes a connection unit plate. The arrangement includes a cylinder composed of a nonconductive material, said cylinder arranged between the electrode plate and the connection unit plate, and at least one conduction film which is arranged on an outer side of the cylinder and extends from the connection unit plate as far as the electrode plate and connects the connection unit plate and the electrode plate to one another. The arrangement includes a cap-shaped and integrally embodied protective film arranged on the electrode plate or connection unit plate, such that the film covers a plate side facing away from the cylinder and an outer lateral surface of the electrode plate or of the connection unit plate.
H01J 61/86 - Lamps with discharge constricted by high pressure with discharge additionally constricted by close spacing of electrodes, e.g. for optical projection
H01J 61/36 - Seals between parts of vessels; Seals for leading-in conductors; Leading-in conductors
A method for evaluating positioning parameters in a defined area, wherein the defined area is affected by at least three stationary access beam points and over which a grid pattern is laid with at least two grids, each grid having an anchor. An initial vector of positioning parameters is assigned to each anchor and a plurality of RSSI measurements are captured within the defined area by receiving signals from the at least three stationary access beam points. The plurality of RSSI measurement are clustered in a plurality of subsets, wherein the number of subsets corresponds to the number of the at least two grids. Finally, each subset of the plurality of subsets is associated with a respective one of the at least two grids and the initial vector is updated based on the subset of the plurality of subsets associated with the respective one of the at least two grids.
G01S 11/06 - Systems for determining distance or velocity not using reflection or reradiation using radio waves using intensity measurements
H04W 4/029 - Location-based management or tracking services
H04W 64/00 - Locating users or terminals for network management purposes, e.g. mobility management
G01S 5/02 - Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
G01S 5/14 - Determining absolute distances from a plurality of spaced points of known location
57.
Lighting device with communication of operating data
A lighting device and a lighting system, respectively, are to be able to be more comfortably monitored. Thereto, a lighting device with an illuminant, a transmitting device arranged in or at the illuminant for wirelessly transmitting a locating signal to a terminal external with respect to the lighting device is proposed. Moreover, the lighting device comprises a data processing device arranged in or at the illuminant for extracting illuminant data about the illuminant and for providing this data for the transmitting device. The transmitting device is formed to also transmit the illuminant data to the external terminal besides the locating signal.
A system for monitoring the irradiation of an object with light from a luminaire includes the luminaire having one or more light sources, which emit light having a spatial radiation pattern; a computing unit, connected to the luminaire and set up to acquire information about an illuminance of the light of the light sources; a first memory, connected to the computing unit and in which information about spatial positioning of the luminaire relative to a surface of the object is stored; and a second memory, connected to the computing unit and in which information about the spatial radiation pattern of the light sources is stored. The computing unit may calculate and output a local intensity of light incident at the respective position on the basis of illuminance information, the spatial radiation pattern of the light sources, and the spatial positioning of the luminaire relative to the surface of the object.
A system may involve transmitting data via a light-based data link. The aim of the invention is to establish a data connection which is as simple and efficient as possible. In order to achieve this, the system comprises various components which deflect the light containing the data and distribute it in a targeted manner. The invention also relates to various fields of application for the system, such as mechanical joints and robot joints, rail systems and luminaires.
H04B 10/00 - Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
A system may be used for wirelessly transmitting data between a communication terminal positioned in a prescribed area and a remote communication station connected to a communication network. The system may include a lighting arrangement having a lighting device arranged in the prescribed region and at least one transmission device arranged in or directly on the lighting device. The transmission device may be configured to establish a first wireless optical communication connection to the remote communication stations and a second wireless communication to the communication terminal to transmit the data.
H04B 10/00 - Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
G08C 23/04 - Non-electric signal transmission systems, e.g. optical systems using light waves, e.g. infrared
H04W 76/15 - Setup of multiple wireless link connections
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
An optical system includes optical fibers, a decoupling surface, an intersecting surface and a connecting portion. The optical fibers are arranged in at least one row. Each of the optical fibers includes a coupling surface onto which light from a light source is received. Light is directed through the optical fibers along an optical main axis. Light emitted from the optical fibers is directed onto a decoupling surface. The connecting portion is planar and is disposed between the decoupling surface and the optical fibers. The intersecting surface bounds the decoupling surface and is parallel to the optical main axis. Each of the optical fibers has an intersecting face oriented parallel to the optical main axis and parallel to the intersecting surface. The intersecting surface and the intersecting faces of the optical fibers generate a sharp outer edge of a light pattern formed by light emitted from the optical system.
G02B 6/293 - Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
62.
Optical-effect light, group of lights, arrangement and method
An optical-effect light may include a LIDAR system for detecting objects. The optical-effect light may be controlled based on one or more parameters of the detected object. The optical-effect light may include at least one radiation source configured to emit light and at least one acquisition unit configured to acquire data pertaining to the object(s). The light may be controlled based on the acquired data.
A wireless communication link between a communication network and a communication terminal device positioned in a predeterminable region may be established and improve capacity for wireless communication. A line-bound communication link to the communication network may be established via a communication base device arranged in a fixed location, and an optically-based communication link to the communication terminal device may be established via an optical deflection device.
A method for operating a beacon may include repeatedly emitting an identification number. The identification information is encrypted multiple times in a different manner by a one-way function and is emitted during the repeated emission in a differently encrypted form.
The individual configuration of beacons in lighting systems is to be simplified. Therefore, a lighting system with a lighting device and a beacon arranged in or at the lighting device is provided. The lighting system comprises a sensor device for acquiring an environmental parameter relating to an environment of the lighting system. Moreover, the beacon is formed to automatically configure itself based on the environmental parameter.
A method may include supplying electric power to a first light source and a second light source of at least two light sources by at least one ballast so that the first light source and the second light source emit a first source light and a second source light with a first and second spectral light distribution, respectively. The method further includes superimposing the first and second source light using an optical unit such that the lighting device outputs light with a spectral superposition light distribution. The method further includes detecting the light outputted from the lighting device using a light distribution sensor that provides a sensor signal corresponding to a spectral light distribution of the detected light. The method further includes comparing the sensor signal to a predefined spectral light distribution and adjusting the electric power supplied to the respective light source by the ballast based on the comparison.
A method for optimizing the area coverage of a wireless network may include a lamp to perform this method. The lamp may have an input for connecting a network, a power supply unit for supplying all components of the lamp with an electric power taken from the input, a control unit for controlling the components of the lamp, at least one light source from the power supply unit and controlled by the control unit, and a network access point for providing at least one wireless network. The lamp may include at least one antenna associated with the network access point. The light source and antenna may be arranged and designed such that the radiation characteristics of the light are congruent with the radiation characteristics of the antenna of the wireless network.
H05B 47/19 - Controlling the light source by remote control via wireless transmission
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
F21S 8/04 - Lighting devices intended for fixed installation intended only for mounting on a ceiling or like overhead structure
H01Q 1/22 - Supports; Mounting means by structural association with other equipment or articles
Lighting systems and associated controls that can provide active control of lighting device settings, such as on/off, color, intensity, focal length, beam location, beam size and beam shape. In some examples, lighting systems may include eye tracking technology and sensor feedback for one or more lighting device settings and may be configured with depth perception and cavity or incision recognition capability through image or video processing.
A node for a multi-hop communication network may include a wireless communication interface, configured to exchange data with the multi-hop communication network. The node moreover includes a processing unit, configured to drive the operation of the node as a function of the commands received via the wireless communication interface, and a memory storing a firmware for the processing unit. The node is configured to receive, via the wireless communication interface, an updated firmware, and to store the updated firmware into the memory. Moreover, the node is configured to detect, via the wireless communication interface, other nodes that are in the vicinity of the node, and to send (1010) the firmware stored in the memory to one or more of said nodes.
Fondazione Istituto Italiano di Tecnologia (Italy)
Université degli Studi di Verona (Italy)
Inventor
Cristani, Marco
Del Bue, Alessio
Eschey, Michael
Galasso, Fabio
Hasan, Irtiza
Kaestle, Herbert
Tsesmelis, Theodore
Abstract
A lighting system including a set of lighting devices for lighting an environment that may be controlled by a method. The method may include receiving, from one or more image sensors (e.g. a RGB-D camera—W), an image signal including a sequence of images of the environment under different conditions of illumination and light reflection. The method may further include processing the image signal to provide a light source identification signal representative of light sources affecting the environment, and controlling the lighting devices as a function of the light source identification signal, and, possibly, of human occupancy and activity.
In various embodiments, an optical arrangement is provided. The optical arrangement includes a carrier plate, on which at least one light source is arranged, at least one optical element for directing the radiation of the at least one light source, and at least one sleeve, which is connected to the light source and is intended to hold the optical element. At least one of the sleeve is configured in such a way that the light source and the optical element are respectively arranged therein at least in sections, or the optical element can be positioned exactly with respect to the light source.
F21V 17/04 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages onto or by the light source
Various embodiments provide a bearing element for an electrode rod in a lamp stem. The bearing element includes an envelope configured in order to extend along a longitudinal axis of the electrode rod. The envelope has a polygonally shaped cross section at least in sections.
Systems and methods disclosed herein includes a measurement device to enable dimensional metrology and/or 3D reconstruction of an object. The measurement device is positioned between the object and reference luminaires (e.g., light emitting diodes or other light sources). The measurement device uses the reference luminaires to determine the position and orientation of the measurement device. The measurement device may include a camera oriented towards the reference luminaires and may acquire/use images of reference luminaires to determine the position and orientation of the measurement device. Using the reference luminaires, the system may determine positions and orientations of the measurement device when the images of the reference luminaires are taken. The system may be configured to use the positions and the orientations of the measurement device to determine dimensions and/or 3D models of the object.
H04N 13/275 - Image signal generators from 3D object models, e.g. computer-generated stereoscopic image signals
H04N 13/239 - Image signal generators using stereoscopic image cameras using two 2D image sensors having a relative position equal to or related to the interocular distance
H04N 13/254 - Image signal generators using stereoscopic image cameras in combination with electromagnetic radiation sources for illuminating objects
G06T 7/593 - Depth or shape recovery from multiple images from stereo images
G06T 7/73 - Determining position or orientation of objects or cameras using feature-based methods
G06T 7/90 - Determination of colour characteristics
74.
Installing or changing an executable computer program in an illumination system
The invention relates to a method for installing an executable computer program in an illumination system having a plurality of illumination devices which are controlled by means of a particular computer unit and have a lighting device and a transmitting device arranged in or directly on the lighting device, wherein the transmitting device wirelessly emits a signal having an item of identification information specific to the transmitting device, in which: data corresponding to the computer program to be installed are provided by a data source, the data are transmitted to the illumination devices and the computer program is automatically installed in the respective computer units of the illumination devices on the basis of the transmitted data, wherein a first of the illumination devices receives the data via a communication link, and in order to install the computer program in at least one second of the illumination devices, the first of the illumination devices transmits the data to the at least one second of the illumination devices.
Disclosed herein are embodiments of an occupancy monitoring system. The occupancy monitoring system includes a thermal sensor configured to monitor a gate (e.g., entry way) to a space. The thermal sensor includes a pixel array that generates a pixel value for each pixel in the pixel array, and the pixel value corresponds to a quantity of heat or thermal information detected by a pixel. The occupancy monitoring system acquires pixel values for the pixels of the pixel array. The occupancy monitoring system determines whether there is a change in occupancy of the space based on changes to a first region (or first pixel cluster) of the pixel array and a second region (or second pixel cluster) of the pixel array over time. The occupancy monitoring system may adjust lighting, temperature, and/or security systems for the space as the occupancy changes.
G05B 13/02 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
F24F 11/58 - Remote control using Internet communication
F24F 11/65 - Electronic processing for selecting an operating mode
G01J 5/00 - Radiation pyrometry, e.g. infrared or optical thermometry
F24F 11/64 - Electronic processing using pre-stored data
Lighting devices with lighting means, transmitting device for transmitting an electromagnetic data signal and energy buffer for current supply of the transmitting device are to be protected from exhaustive discharge. Thereto, an activation device is provided, by which the transmitting device can be activated from an energy-saving mode, in which the transmitting device is switched off, into an operating mode, in which the transmitting device is switched on for operationally transmitting the electromagnetic data signal.
G01S 1/00 - Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
G01S 1/02 - Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
G01S 5/02 - Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
H05B 47/19 - Controlling the light source by remote control via wireless transmission
77.
Method of view frustum detection and a corresponding system and product
FONDAZIONE ISTITUTO ITALIANO DI TECNOLOGIA (Italy)
UNIVERSITÀ DEGLI STUDI DI VERONA (Italy)
Inventor
Cristani, Marco
Del Bue, Alessio
Eschey, Michael
Galasso, Fabio
Hasan, Irtiza
Kaestle, Herbert
Setti, Francesco
Tsesmelis, Theodore
Abstract
An image signal indicative of the head pose of a person in a scene, as provided by a camera may be processed by estimating, as a function of the image signal received by the image sensor, the head pose of the person. A view frustum of the person may be generated from the estimated head pose. A visual frustum of attention or VFOA of the person may be generated from the view frustum. From the visual frustum, a predicted movement trajectory of the person or an estimated scene attention map as a function of the visual frustum of attention, preferably by identifying in the attention map at least one object to be controlled may be generated.
Techniques for determining an actual position of a portable device are disclosed. In an embodiment, a two-tier triangulation and wireless beacon-enabled luminaire detection approach is implemented. An estimated position of a device is determined using wireless (e.g., wireless beacon) triangulation based on a signal parameter of a signal received from a wireless access point. The field of view of the portable device may be used to estimate positions of luminaires proximate the portable device. The actual position of the luminaires may be determined from the estimated position by querying a database. A second triangulation may be performed using the known position of the luminaires to determine the position of the portable device with respect to the actual position of the luminaire.
G01S 5/02 - Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
G01S 5/16 - Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations using electromagnetic waves other than radio waves
G06T 7/73 - Determining position or orientation of objects or cameras using feature-based methods
G06F 16/9537 - Spatial or temporal dependent retrieval, e.g. spatiotemporal queries
Aspects of the present disclosure include arrays of motion sensors that may be used to monitor a space to determine occupancy characteristics of the space, such as whether or not the space is occupied and the number of people located within the space. The array of motion sensors may be operatively connected to one or more building system components, such as lighting and HVAC equipment and can be used for adjusting an operating condition of the building system component based on whether a space is occupied.
G08B 13/19 - Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems
G01S 13/56 - Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
F21V 23/04 - Arrangement of electric circuit elements in or on lighting devices the elements being switches
G01J 5/00 - Radiation pyrometry, e.g. infrared or optical thermometry
G08B 13/189 - Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
G08B 13/194 - Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
80.
Conversion device with stacked conductor structure
A conversion device includes a carrier body, a conversion body, which is secured on the carrier body, for converting electromagnetic radiation, a conduction track, which is applied on the conversion body, for monitoring the conversion body, and a contact element applied on the carrier body. The contact element has a first layer construction including at least a first contact layer and a second contact layer including mutually different materials. The conduction track has a second layer construction including at least a first conduction layer and a second conduction layer comprising mutually different materials. The contact element is electrically connected to the conduction track. At least one of the first conduction layer or the second conduction layer are electrically conductive and the thickness of said conductive layers is chosen such that an electrical impedance of the conduction track lies in a predetermined range.
H01L 27/15 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components with at least one potential-jump barrier or surface barrier, specially adapted for light emission
H01L 33/00 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof
F21V 9/30 - Elements containing photoluminescent material distinct from or spaced from the light source
A luminaire and an illumination system are disclosed. In an embodiment a luminaire includes at least one light-emitting semiconductor chip having a main emission side and a reflector having a reflection side facing the main emission side, the reflection side being a freeform different from a circle, an ellipse, a parabola or a hyperbola when seen in cross-section, wherein a base line of the reflector runs through the main emission side and a local height of the reflection side is measured against the base line, wherein a local focal length of the reflection side is increased along the local height, concerning ray bundles coming in parallel with the base line from an exterior of the luminaire during operation, and wherein local heights do not have a common focal point.
F21V 7/09 - Optical design with a combination of different curvatures
F21Y 103/10 - Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
F21S 8/00 - Lighting devices intended for fixed installation
F21S 4/28 - Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports rigid, e.g. LED bars
F21W 131/107 - Outdoor lighting of the exterior of buildings
The presence of a stationary object is to be reliably recognized. Thereto, a presence detection device for detecting a presence of an object in its environment is provided, which comprises a movement detection unit for detecting an initial movement of the object in the environment of the presence detection device and for outputting a movement signal depending on the detection as well as a control unit for generating an activation signal depending on the movement signal. Moreover, the presence detection device comprises a camera, which can be activated by the activation signal, for obtaining a video signal of the environment of the presence detection device and an evaluation unit for generating a presence signal relating to the presence of the object by evaluating the video signal.
G06K 9/00 - Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
G08B 13/196 - Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
G08B 13/19 - Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems
H05B 47/19 - Controlling the light source by remote control via wireless transmission
H05B 47/105 - Controlling the light source in response to determined parameters
G06K 9/62 - Methods or arrangements for recognition using electronic means
H04N 7/18 - Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
84.
Conversion of primary light into secondary light by means of a wavelength converter
A wavelength converter includes a converter layer for at least partly converting primary light of a first spectral composition into secondary light of a second spectral composition, an electrically insulating first insulation layer arranged below the converter layer, a mirror being arranged at the front side of said insulation layer facing the converter layer, at least one conductor track which is arranged at the first insulation layer and which extends laterally at a distance from the mirror, mutually spaced apart contacts extending through the first insulation layer, of which contacts in each case at least two contacts electrically connect a conductor track to a rear side of the first insulation layer, and mutually spaced apart electrically conductive solder connection volumes arranged below the first insulation layer, said solder connection volumes being electrically connected in each case to one of the contacts.
F21V 9/32 - Elements containing photoluminescent material distinct from or spaced from the light source characterised by the arrangement of the photoluminescent material
F21S 41/176 - Light sources where the light is generated by photoluminescent material spaced from a primary light generating element
An illumination device includes a light source, a micromirror array having micromirror actuators, switchable in each case between an on state and an off state, an optical unit, and an optical sensor unit. The light is guided onto the array and proportionally at a respective one of the actuators in an on tilt position is reflected to an illumination application, and in an off tilt position is reflected to the optical sensor unit. The device is configured such that a first actuator, which is in an on state in the on tilt position, is brought to the off tilt position for a first test interval, and a second actuator, which is in an off state in the off tilt position, remains in the off tilt position for the first test interval. A radiation power incident on the sensor unit during the first test interval is detected by the sensor unit.
F21S 41/176 - Light sources where the light is generated by photoluminescent material spaced from a primary light generating element
F21S 41/675 - Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors by moving reflectors
A phosphor arrangement for at least partly converting an excitation radiation is provided. The phosphor arrangement includes a phosphor and a fracture detector used for monitoring the phosphor. The fracture detector includes at least one line track which is operatively connected to the phosphor. The line track extends around the phosphor at least in sections with at least one loop.
F21K 9/64 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
F21S 41/176 - Light sources where the light is generated by photoluminescent material spaced from a primary light generating element
In various embodiments, an illumination apparatus is provided. The illumination apparatus includes a housing, in which at least one radiation source is fixed. A phosphor that is fastened to the housing is arranged downstream of the radiation source. The phosphor is connected to a crack detector, which is used for crack monitoring of the phosphor. A signal path is provided. The signal path connects the crack detector to an evaluation unit that is fixed to the housing. The signal path is formed by at least two contact pins and a flexible printed circuit board that is connected to the crack detector.
The individual configuration of beacons in lighting systems is to be simplified. Therefore, a lighting system with a lighting device and a beacon arranged in or at the lighting device is provided. The lighting system comprises a sensor device for acquiring an environmental parameter relating to an environment of the lighting system. Moreover, the beacon is formed to automatically configure itself based on the environmental parameter.
The invention relates to a lighting device, comprising a first lighting means and a transmission module for wireless transmission and for providing a position identification signal comprising position determination data. The lighting device also comprises an electronic operating device for operating the first lighting means, wherein the electronic operating device is coupled on the input side to an electrical supply connection of the lighting device and on the output side to the first lighting means by a first connection device. The electronic operating device comprises an energy converter for supplying the transmission module with electrical energy. The invention further relates to a system for providing a position indication having a plurality of such lighting devices. In addition, the invention relates to a method for operating a lighting device having a first lighting means by providing a position identification signal comprising position determination data by means of a transmission module.
H04B 1/38 - Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
H04B 1/03 - Constructional details, e.g. casings, housings
A method for analyzing an environment of a mobile terminal by emission of unique identification data associated with at least one lighting device, by a light-based communication of the at least one lighting device, and determination of location coordinates of the mobile terminal in accordance with the identification data collected using an optical sensing unit of the mobile terminal with respect to the at least one lighting device, on the basis of the stored location coordinates of the at least one lighting device, each correlated with a respective installation position of the at least one lighting device, wherein provision of a respective sensor signal by at least one environmental signal sensor, extraction of environmental data from the respective sensor signal, and storage of the environmental data in accordance with the location coordinates of the mobile terminal, causing existing environmental data to be updated.
G01S 11/06 - Systems for determining distance or velocity not using reflection or reradiation using radio waves using intensity measurements
G01S 5/02 - Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
A lighting apparatus includes a light source for emitting an illumination light, a micromirror array having a plurality of micromirror actuators, and an illumination optical unit and an optical sensor unit. The illumination light emitted by the light source is guided onto the micromirror actuators and reflected at the latter and, with the reflection integrated over time, an on beam is reflected to a lighting application by the micromirror actuators in a respective on tilt position via the illumination optical unit, and an off beam is reflected next to the illumination optical unit by the micromirror actuators in a respective off tilt position. Part of the illumination light contained in the off beam is guided, at least in part, onto the optical sensor unit.
Various embodiments disclosed herein include a method for determining the position of a computing device. The method may include obtaining, by the computing device, an image of a subset of luminaries from a plurality of luminaires located in an indoor environment, in which each subset grouping of luminaires in the plurality of luminaires is uniquely identifiable. The computing device may then compare the subset of luminaires to a database storing each uniquely identifiable subset grouping of luminaires in the plurality of luminaires, in which the database includes position information for each luminaire in the plurality of luminaires, and determine the position of the computing device based on the comparison of the subset of luminaries to the database.
F21S 8/00 - Lighting devices intended for fixed installation
G01S 5/16 - Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations using electromagnetic waves other than radio waves
G01S 1/70 - Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using electromagnetic waves other than radio waves
H04B 10/80 - Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups , e.g. optical power feeding or optical transmission through water
G06F 17/30 - Information retrieval; Database structures therefor
93.
Light guide arrangement for a mobile communications device for optical data transmission, mobile communications device and method for optical data transmission
A light guide arrangement for a mobile communications device for optical data transmission by an optoelectronic interface component of the communications device is provided. The light guide arrangement includes a light guide body with a greatest extent in the principal light guiding direction, a first optical coupling member for coupling the optoelectronic interface component to the light guide body, a second optical coupling member with a first lens element that has a first optical axis transverse to the principal light guiding direction and with a first optical deflection element arranged along the first optical axis, and a third optical coupling member with a second lens element that has a second optical axis transverse to the principal light guiding direction and with a second optical deflection element arranged along the second optical axis. The second optical axis differs from the first optical axis.
A lighting device for communication with a mobile terminal, comprising: a lighting means, and an electronic operating device for operating the lighting means, a data storage unit, in which a first key is stored in a memory area reserved therefor, an encryption unit configured to read out the first key from the reserved memory area and, in accordance with a specifiable encryption operation, to convert measurement value data and/or identification data intended for transfer to the mobile terminal into a message encrypted by means of the first key, and a transmitting unit configured to transmit the encrypted message to the mobile terminal.
H04L 9/32 - Arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system
H05B 47/19 - Controlling the light source by remote control via wireless transmission
H04W 4/70 - Services for machine-to-machine communication [M2M] or machine type communication [MTC]
H04L 29/06 - Communication control; Communication processing characterised by a protocol
H04W 12/02 - Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
The invention relates to a lighting device for providing a position identification signal, wherein the lighting device comprises a lighting means. A transmitting unit comprising an antenna element transmits the position identification signal in the form of a directed radio signal having a specifiable emission characteristic during intended operation, wherein the position identification signal comprises a position determination data regarding a position of the transmitting unit and/or of the lighting means. The invention further relates to a lighting system having a plurality of lighting devices. In addition, the invention relates to a method for operating a lighting device having a lighting means and a transmitting unit. The method comprises the directed transmitting of a position identification signal in the form of a radio signal having a specifiable emission characteristic, wherein the position identification signal comprises position determination data regarding a position of the transmitting unit and/or of the lighting means.
G01S 1/04 - Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves - Details
G01S 5/14 - Determining absolute distances from a plurality of spaced points of known location
A system for ascertaining the position of a mobile beacon comprising at least one first and at least one second lighting device, each comprising a communication module for setting up a data network between the at least one first and at least one second lighting device by means of a wireless communication link, the mobile beacon, which is configured to emit an identification signal with a beacon identification number unique within the system, wherein the respective communication modules of the at least one first and at least one second lighting device are configured to ascertain a respective signal strength at which the identification signal is receivable by the respective communication module. The mobile beacon has a timer and is configured to transmit, in addition to the beacon identification number, a counter reading of the timer corresponding to a time of emission of the first identification signal.
According to the present disclosure, a method for operating an illumination apparatus is provided. The method has at least two light-emitting devices, which are arranged next to one another separated by a gap and each have a multiplicity of light-emitting elements, by individually driving all light-emitting elements of each light-emitting device, measuring a gap width of the gap and/or a luminance in the gap, and controlling or regulating in each case a luminance of one or more of the light-emitting elements which are arranged directly at the gap in dependence on the gap width and/or on the luminance in the gap.
G06F 3/038 - Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
B60Q 1/14 - Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
F21S 41/153 - Light emitting diodes [LED] arranged in one or more lines arranged in a matrix
98.
Laser activated remote phosphor target with low index coating on phosphor, method of manufacture and method for re-directing emissions
A laser-activated remote phosphor (LARP) target with a first layer having a first index of refraction and a phosphor dispersed within the first layer. A second layer which has a second index of refraction different from the first index of refraction and adjoins the first layer at an interface. The first index of refraction is higher than the second index of refraction such that the interface is configured to at least partially reflect light emitted from the phosphor.
G02B 27/14 - Beam splitting or combining systems operating by reflection only
F21V 29/502 - Cooling arrangements characterised by the adaptation for cooling of specific components
F21V 29/70 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
F21K 9/64 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
99.
Module, set of positioning elements, arrangement having a module, headlamp and method for producing a module
A module may include a housing in which a radiation source is arranged, where the radiation source is configured to emit an excitation radiation by virtue of a conversion element disposed downstream of the radiation source, and the conversion element is configured to convert, at least in part, the excitation radiation. The conversion element may be fastened to a holding section of the housing. The holding section may be encompassed by a positioning element. A receptacle of a component may be adapted to the positioning element. The component may be downstream of the module. The housing may be positionable in the receptacle in order to position the component with respect to an impingement region of the excitation radiation on the conversion element.
F21V 17/02 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for adjustment
F21S 41/176 - Light sources where the light is generated by photoluminescent material spaced from a primary light generating element
F21V 9/32 - Elements containing photoluminescent material distinct from or spaced from the light source characterised by the arrangement of the photoluminescent material
100.
Transom light arrangement and method for producing a transom light arrangement
In various embodiments, a transom light arrangement may include a transom, which is arranged between a construction element and a transom light, a light source arrangement, which is mounted at least one of on or in the transom, with the light source arrangement or the transom defining a horizontal plane, and a screen structure. The light source arrangement and the screen structure are arranged relative to one another and are configured such that a spatial region above the horizontal plane is illuminated using the light source arrangement.
E06B 3/67 - Units comprising two or more parallel glass or like panes in spaced relationship, the panes being permanently secured together, e.g. along the edges characterised by additional arrangements or devices for heat or sound insulation
F21S 11/00 - Non-electric lighting devices or systems using daylight
F21S 19/00 - Lighting devices or systems employing combinations of electric and non-electric light sources; Replacing or exchanging electric light sources with non-electric light sources or vice versa
F21V 33/00 - Structural combinations of lighting devices with other articles, not otherwise provided for
F21V 14/02 - Controlling the distribution of the light emitted by adjustment of elements by movement of light sources
H05B 33/08 - Circuit arrangements for operating electroluminescent light sources
patents
