An interactive input system with bezel light around an input area provided by optical fiber is described. Two or more cameras have a field of view of at least a portion of the bezel. The optical fiber provides continuous backlight illumination to at least one input object. The optical fiber has at least one nanostructure therein for diffusing light. At least one light source provides a directional light to an end of the optical fiber.
An interactive input system, a tool and a method for detecting the tool's identity in the interactive input system are provided, in which a touch location of the tool is detected. The system comprises a plurality of antennas. A set of selected antennas associated with the touch location are activated to generate electromagnetic field, thereby activating the tool to send out a unique identifier associated with an attribute of the pen tool. The unique identifier is received and detected by the interactive input system to determine the attribute of the pen tool. The pen tool coinprise at least one coil, and at least one NFC transponder, wherein the at least one coil is activated by electromagnetic field to power the NFC transponder for transmitting the unique identifier.
G06F 3/041 - Numériseurs, p.ex. pour des écrans ou des pavés tactiles, caractérisés par les moyens de transduction
G06F 3/0354 - Dispositifs de pointage déplacés ou positionnés par l'utilisateur; Leurs accessoires avec détection des mouvements relatifs en deux dimensions [2D] entre le dispositif de pointage ou une partie agissante dudit dispositif, et un plan ou une surface, p.ex. souris 2D, boules traçantes, crayons ou palets
G06F 3/046 - Numériseurs, p.ex. pour des écrans ou des pavés tactiles, caractérisés par les moyens de transduction par des moyens électromagnétiques
3.
COLLABORATION SYSTEM WITH RASTER-TO-VECTOR IMAGE CONVERSION
A method for producing digital ink in a collaboration session between a first computing device and a second computing device that presents a digital canvas. In some embodiments, the method includes capturing a raster image of content using a camera operably coupled to the first computing device, deriving first image vectors and second image vectors based on first and second portions, respectively, of the raster image, sending the first image vectors to the second computing device for displaying a first digital ink object based on the first image vectors, and sending the second image vectors to the second computing device for displaying a second digital ink object based on the second image vectors after the displaying of the second digital ink object.
The present invention relates to a method and system for managing multi-user tools for a workspace on a touch screen. Workspaces are generated for use with the touch screen and one or more of identifiable pointers are associated with them. A global tool element having a plurality of controls is generated and displayed on the touch screen. When more than one pointer is associated with one of the workspaces, redundant controls are removed from the global tool element and a local tool element is created for each associated pointer. The local tool elements comprise at least the redundant controls.
G06F 3/0354 - Dispositifs de pointage déplacés ou positionnés par l'utilisateur; Leurs accessoires avec détection des mouvements relatifs en deux dimensions [2D] entre le dispositif de pointage ou une partie agissante dudit dispositif, et un plan ou une surface, p.ex. souris 2D, boules traçantes, crayons ou palets
G06F 3/0487 - Techniques d’interaction fondées sur les interfaces utilisateur graphiques [GUI] utilisant des caractéristiques spécifiques fournies par le périphérique d’entrée, p.ex. des fonctions commandées par la rotation d’une souris à deux capteurs, ou par la nature du périphérique d’entrée, p.ex. des gestes en fonction de la pression exer
G06F 3/041 - Numériseurs, p.ex. pour des écrans ou des pavés tactiles, caractérisés par les moyens de transduction
5.
SYSTEM AND METHOD OF POINTER DETECTION FOR INTERACTIVE INPUT
The present invention relates to a method and system for determining an optical property of a pointer used in an interactive touch system. The interactive device having a touch area; a plurality of emitters on the periphery of the touch area; the emitters emitting an intensity of light into the touch area; a plurality of pointers having a distinct optical property responsive to the light; at least one detector having a field of view of the touch area. The processing structure, in communication with the emitters and the at least one detector, executes instructions from a memory to: transmit an emitter signal to at least one of the emitters initiating emission of light at the first frequency; receive at least one detector signal from the at least one detector; and determine the distinct optical property from the at least one detector signal.
The present invention relates to a method and system of improved pointer recognition. A camera-based interactive system has two cameras with fields of view observing an interactive surface. A processor receives a plurality of video frames from the cameras and recognizes a pointer within the video frames. Motion blur of the pointer is compensated to determine the pointer type from the compensated frames using a model-based approach.
Certain aspects involve managing permissions in collaborative workspaces using visual representations of clients. For example, a graphical interface can be displayed that represents a collaborative workspace and that includes visual representations of different clients accessing the workspace. A workspace application executed by a processor can determine that visual representations for at least two clients are positioned in a common region of the graphical interface. The workspace application can authorize the clients to collaboratively modify electronic content that is accessible via the graphical interface based on the visual representations being positioned in the common region. Subsequently, the workspace application can determine that the visual representations are positioned outside the common region and restrict access to the collaboratively modified content accordingly. The workspace application can restrict each client to modifying a respective portion of the electronic content that was modified by the client when both visual representations were in the common region.
G06Q 10/101 - Création collaborative, p.ex. développement conjoint de produits ou de services
G06F 3/0481 - Techniques d’interaction fondées sur les interfaces utilisateur graphiques [GUI] fondées sur des propriétés spécifiques de l’objet d’interaction affiché ou sur un environnement basé sur les métaphores, p.ex. interaction avec des éléments du bureau telles les fenêtres ou les icônes, ou avec l’aide d’un curseur changeant de comport
G06F 3/14 - Sortie numérique vers un dispositif de visualisation
8.
SYSTEM AND METHOD FOR AUTHENTICATION IN DISTRIBUTED COMPUTING ENVIRONMENTS
The present invention relates to a method and system for managing profiles for use with touch systems. A user logs into a communal device using a pointer paired with a mobile device. The communal device is authenticated and retrieves the user's profile. The user profile is used to setup a workspace on the communal device. The workspace is granted access to the user's content on a content server. When the communal device has multiple users, each workspace may be shared or not depending on the user's requirements. Each pointer is individually identified to a particular user and workspace.
H04L 9/32 - Dispositions pour les communications secrètes ou protégées; Protocoles réseaux de sécurité comprenant des moyens pour vérifier l'identité ou l'autorisation d'un utilisateur du système
9.
WIRELESSLY COMMUNICATING CONFIGURATION DATA FOR INTERACTIVE DISPLAY DEVICES
Systems, devices, and methods are provided for wirelessly communicating configuration data from mobile devices for use by interactive display devices. In some aspects, a processing device can identify two or more mobile devices participating in a session for utilizing an interactive display device. The processing device can receive configuration data from each of the mobile devices via a wireless transceiver. The processing device can configure an interactive display device to present outputs during the session using attributes that the processing device identifies from the received configuration data. In additional or alternative aspects, a processing device can identify at least one mobile device participating in a session for utilizing an interactive display device. The processing device can associate outputs presented by the interactive display device with an entity that is identifiable from configuration data that is received from the mobile device.
G09F 9/30 - Dispositifs d'affichage d'information variable, dans lesquels l'information est formée sur un support, par sélection ou combinaison d'éléments individuels dans lesquels le ou les caractères désirés sont formés par une combinaison d'éléments individuels
H04W 8/22 - Traitement ou transfert des données du terminal, p.ex. statut ou capacités physiques
10.
DYNAMICALLY DETERMINING WORKSPACE BOUNDS DURING A COLLABORATION SESSION
A method is described for dynamically determining session boundary coordinates within a canvas. As described, an initial explored area of the canvas is defined. The initial explored area is expanded. When the size of the expanded explored area of the canvas reaches a predefined maximum size, the explored area coordinates are set as the session boundary coordinates. . A computing device and a non- transitory computer readable medium having instructions configured to implement the method are also described.
A method is described for manipulating a view displayed on one or more follower participants' devices to track a view displayed on a lead participant's device. A request to manipulate the view displayed on the one or more follower participant devices is received. The lead participant is identified. The follower participants are identified. A lead view of the lead participant is determined. The lead view is communicated to the follower participants computing devices for display. A computing device and a non-transitory computer readable medium having instructions configured to implement the method are also described.
G06F 3/0481 - Techniques d’interaction fondées sur les interfaces utilisateur graphiques [GUI] fondées sur des propriétés spécifiques de l’objet d’interaction affiché ou sur un environnement basé sur les métaphores, p.ex. interaction avec des éléments du bureau telles les fenêtres ou les icônes, ou avec l’aide d’un curseur changeant de comport
G06F 3/14 - Sortie numérique vers un dispositif de visualisation
A computer implement method for creating a user group is provided. In accordance with the method, a temporary session identifier is generated for a first session associated with the user group The temporary session identifier is communicated to a display for presentation. Requests to join the first session are received from a plurality of users. The requests include the temporary session identifier User identifiers of the plurality of users are correlated with the temporary session identifier The user group is created, comprising the user identifiers of the plurality of users and a name for said user group. The user group is stored in memory. A computing device and a non-transitory computer readable medium configured to implement the method are also described.
An interactive board comprises an interactive surface; at least one user selectable element; and processing structure in communication with at least one imaging device and configured to process data received from the at least one imaging device to locate at least one pointer positioned in proximity with the interactive surface and update digital ink according to pointer location. The processing structure is further configured to send the digital ink to one or more devices in communication with the interactive board in response to selection of the at least one user selectable element.
G06F 3/042 - Numériseurs, p.ex. pour des écrans ou des pavés tactiles, caractérisés par les moyens de transduction par des moyens opto-électroniques
G06F 3/0354 - Dispositifs de pointage déplacés ou positionnés par l'utilisateur; Leurs accessoires avec détection des mouvements relatifs en deux dimensions [2D] entre le dispositif de pointage ou une partie agissante dudit dispositif, et un plan ou une surface, p.ex. souris 2D, boules traçantes, crayons ou palets
H04W 4/80 - Services utilisant la communication de courte portée, p.ex. la communication en champ proche, l'identification par radiofréquence ou la communication à faible consommation d’énergie
14.
METHOD FOR PARTITIONING, MANAGING AND DISPLAYING A COLLABORATION SPACE AND INTERACTIVE INPUT SYSTEM EMPLOYING SAME
A computerized method of managing a collaboration space comprises partitioning the collaboration space into a plurality of tiles in a tree structure; and associating each graphic object with a tile in said tree structure; said tile being the smallest tile in the tree structure that substantially accommodate said graphic object.
A fixture mounting assembly comprises a track; and a fixture mount on the track and configured to engage a fixture, the track being pivotable between a generally upright orientation and a generally horizontal orientation where engagement of the fixture mount and fixture is facilitated.
F16M 13/00 - Autres supports ou appuis pour positionner les appareils ou les objets; Moyens pour maintenir en position les appareils ou objets tenus à la main
A47B 96/06 - Tasseaux ou moyens de support analogues pour meubles à tiroirs, étagères ou rayons
A47F 5/08 - Stands d'étalage, systèmes de suspension ou rayonnages caractérisés par leurs particularités de structure fixés aux murs, plafonds ou similaires; Dispositifs d'étalage en consoles murales
16.
METHOD FOR GENERALLY CONTINUOUSLY CALIBRATING AN INTERACTIVE INPUT SYSTEM
A method for generally continuously calibrating an interactive input system, the interactive input system comprising at least two imaging devices having fields of view encompassing a region of interest, at least one of the imaging devices calibrated using a projection matrix having an associated quality metric, the method comprises estimating new values for parameters of the projection matrix based on a plurality of computed locations of at least one pointer brought into proximity with the region of interest; calculating a new quality metric using the new parameter values; and if the new quality metric is more accurate than the existing quality metric, updating the projection matrix using the new parameter values.
A method comprises capturing image frames of an input area using a plurality of imaging devices, each having a field of view encompassing at least a portion of the input area; processing captured image frames to identify a plurality of targets therein; analyzing the identified plurality of targets to determine if the targets represent a plurality of projections of an input object; and if so, identifying a pattern of the projections thereby to identify the input object.
An interactive input system comprises at least one imaging device configured to capture image frames of a region of interest comprising a background and at least one background feature. Processing structure is configured to compare the image frames to determine if the location of the at least one background feature has changed signifying system displacement.
G06F 3/042 - Numériseurs, p.ex. pour des écrans ou des pavés tactiles, caractérisés par les moyens de transduction par des moyens opto-électroniques
G06F 3/0354 - Dispositifs de pointage déplacés ou positionnés par l'utilisateur; Leurs accessoires avec détection des mouvements relatifs en deux dimensions [2D] entre le dispositif de pointage ou une partie agissante dudit dispositif, et un plan ou une surface, p.ex. souris 2D, boules traçantes, crayons ou palets
An image capture method comprises generating a synchronization signal based on modulated illumination; and synchronizing image frame capture of at least one image sensor using the synchronization signal with the illumination timing of an active pointer within a region of interest in the field of view of the at least one image sensor.
G06F 3/0354 - Dispositifs de pointage déplacés ou positionnés par l'utilisateur; Leurs accessoires avec détection des mouvements relatifs en deux dimensions [2D] entre le dispositif de pointage ou une partie agissante dudit dispositif, et un plan ou une surface, p.ex. souris 2D, boules traçantes, crayons ou palets
G06F 3/042 - Numériseurs, p.ex. pour des écrans ou des pavés tactiles, caractérisés par les moyens de transduction par des moyens opto-électroniques
A method for adjusting the position of a light curtain emitted by an illumination assembly over a surface, comprises determining a position of the light curtain; calculating a difference between the determined position of the light curtain and a desired position of the light curtain; and adjusting the position of the illumination assembly based on the calculated difference.
An interactive input system comprises an interactive surface; at least one proximity sensor in proximity with the interactive surface and generating output signifying user proximity to the interactive surface; and processing structure configured to process user input generated in response to user interaction with said interaction input system and output from the at least one proximity sensor, said processing structure controlling interactive input system operation based upon at least one of said user input and proximity sensor output.
G06F 3/041 - Numériseurs, p.ex. pour des écrans ou des pavés tactiles, caractérisés par les moyens de transduction
G06F 3/042 - Numériseurs, p.ex. pour des écrans ou des pavés tactiles, caractérisés par les moyens de transduction par des moyens opto-électroniques
G06F 3/043 - Numériseurs, p.ex. pour des écrans ou des pavés tactiles, caractérisés par les moyens de transduction utilisant la propagation d'ondes acoustiques
22.
MANIPULATING GRAPHICAL OBJECTS IN A MULTI-TOUCH INTERACTIVE SYSTEM
A method comprises receiving an input event generated when at least one contact is made on an interactive surface at a location corresponding to a graphical object; determining the number of contacts associated with the input event; tracking movement of the at least one contact on the interactive surface; identifying a graphical object manipulation based on the number of contacts, the movement of the at least one contact, and the graphical object type; and performing the graphical object manipulation.
A video conferencing display device comprises a display panel, at least one imaging device and processing structure. The at least one imaging device has a field of view aimed at an inner surface of the display panel and captures images through the display panel such that when a user is positioned adjacent an outer surface of the display panel, the user appears in the captured images. The processing structure communicates with the at least one imaging device and processes the captured images to create a direct eye image for transmission to a remote device over a network.
A tool tray for an interactive input system comprises a housing having an upper surface defining at least one receptacle sized to receive a tool for interacting with an interactive surface, a sensor configured to detect the presence of the tool within the receptacle and at least one display in communication with the sensor. The display is configured to present a pointer attribute selection screen upon removal of the tool from the receptacle.
A method comprises receiving an input event associated with a first user ID, the input event being a command for selecting at least one graphic object; determining if a selection is currently associated with the first user ID; and if no selection is currently associated with the first user ID creating a first selection; associating the first selection with the first user ID; and including the selected at least one graphic object in the first selection.
G06F 3/048 - Techniques d’interaction fondées sur les interfaces utilisateur graphiques [GUI]
G06T 11/80 - Création ou modification d'une image dessinée ou peinte à la main en utilisant un dispositif manuel d'entrée, p.ex. une souris, un crayon lumineux, des touches de direction sur le clavier
A conferencing system comprises a plurality o computing devices communicating over at least one network during a conference session, at least one of the computing devices being configured to share content displayed thereby with other computing devices, the other computing devices displaying the shared content, at least one of the computing devices also being configured to accept input annotations made on the displayed shared content and to share input annotations with other computing devices over a channel independent of the shared content.
An interactive input system comprises a display panel; a first illumination source providing illumination across an outer surface of the display panel such that when a pointer is brought into proximity with the outer surface, the pointer reflects illumination from the first illumination source through the display panel; at least one imaging device having a field of view aimed at an opposite outer surface of the display panel, the at least one imaging device capturing images including illumination reflected by the pointer through the display panel; and processing structure in communication with the at least one imaging device, said processing structure processing the captured images to determine a location of the pointer relative to the outer surface.
An interactive input system (20) includes at least one illumination source (84a, 84b, 84c) emitting radiation into a region of interest; at least one imaging assembly capturing image frames of the region of interest, the at least one illumination source being in the field of view of the at least one imaging assembly; and a controller (72) communicating with the at least one illumination source, the controller controlling the intensity of radiation emitted by the at least one illumination source during image frame capture.
An interactive input system comprises a display surface and processing structure communicating with the display surface. The processing structure presents on the display surface at least one graphic object, the graphic object having properties and a respective solution state comprising a value of at least one property. The processing structure in response to gesture input manipulates the value of the at least one property, and provides an indication as to whether the graphic object is in its solution state in response to the application of a predetermined amount of pressure against the display surface in association with the graphic object. A method and computer readable medium are also provided.
A method of resolving ambiguities between at least two pointers within a region of interest divided into a plurality of zones comprises capturing images of the region of interest from different vantages using a plurality of imaging devices; for each zone, processing images from a different set of imaging devices to identify a plurality of targets for the at least two pointers; and analyzing the plurality of targets to resolve a real location within the region of interest associated with each pointer.
A method for relating at least two mathematical objects in a computing apparatus having a graphical user interface comprises receiving instructions via the graphical user interface to relate a first mathematical object with a second mathematical object; updating the second mathematical object using data of the first mathematical object; linking the first mathematical object to the second mathematical object; and creating a visual link between the first mathematical object and the second mathematical object.
A gesture recognition method wherein captured images are processed to identify at least two clusters of touch points associated with at least two pointers withm an input region/surface and based on motion of the clusters of touch points recognizing a gesture and subsequently updating a display with the recognized gesture An interactive input system comprising an input surface, at least one imaging sensor and a processing structure communicating with said sensor to analyse image data to determine the location of a cluster of touch points associated with at least two pointers in contact with the input surface, to recognize successive clusters representing a gesture based on the relative positions of the touch points and to execute a command associated with said gesture.
A computerized method of creating an irregular-shaped table of cells comprises detecting one or more cells of a table to be removed, removing each detected cell from the table and creating a table object representing the resultant irregular-shaped table.
34.
TOUCH-INPUT WITH CROSSING-BASED WIDGET MANIPULATION
An interactive input system and method for selecting a graphic widget displayed on a background of an interactive input system are provided. The method comprises tracking one or more touch points associated with the background, and in the event that one or more touch points coincide with a location of the graphic widget, associating the coinciding touch points with the graphic widget.
G06F 3/041 - Numériseurs, p.ex. pour des écrans ou des pavés tactiles, caractérisés par les moyens de transduction
G09G 5/373 - Dispositions ou circuits de commande de l'affichage communs à l'affichage utilisant des tubes à rayons cathodiques et à l'affichage utilisant d'autres moyens de visualisation caractérisés par l'affichage de dessins graphiques individuels en utilisant une mémoire à mappage binaire - Détails concernant le traitement de dessins graphiques pour modifier la taille du dessin graphique
35.
HANDLING INTERACTIONS IN MULTI-USER INTERACTIVE INPUT SYSTEM
A method for handling a user request in a multi-user interactive input system comprises receiving a user request to perform an action from one user area de-fined on a display surface of the interactive input system and prompting for input from at least one other user via at least one other user area. In the event that input concur-ring with the user request is received from another user area, the action is performed.
A multi-monitor computer system includes a plurality of display devices communicating with at least one computing device executing an application management procedure. The application management procedure enables an application window available on one display device to be moved entirely to another display device by selecting the other display device from a dialog box displayed in response to a pointer-dragging input gesture on the application window.
In a distributed computer network where displayed information is shared between at least two com-puters, a desktop sharing application, method, and comput-er readable medium embodying the method, of enabling re-mote control of a host computer having a display region that is to be shared with at least one client computer. The method comprises, while the host computer is under local control, tracking time lapsed since a local user input event has occurred; and in the event that the time lapsed exceeds a threshold amount, enabling remote control of the host computer by a client computer.
G06F 15/16 - Associations de plusieurs calculateurs numériques comportant chacun au moins une unité arithmétique, une unité programme et un registre, p.ex. pour le traitement simultané de plusieurs programmes
G06F 3/14 - Sortie numérique vers un dispositif de visualisation
H04L 12/16 - Dispositions pour la fourniture de services particuliers aux abonnés
H04L 12/18 - Dispositions pour la fourniture de services particuliers aux abonnés pour la diffusion ou les conférences
38.
METHOD AND SYSTEM FOR COORDINATING DATA SHARING IN A NETWORK WITH AT LEAST ONE PHYSICAL DISPLAY DEVICE
An apparatus for coordinating data sharing in a computer network with at least one physical display device is provided. The apparatus includes a code generator generating at least one unique temporary session connection code (SCC), and a storage device storing associations between each of the at least one SCC and one or more of the at least one physical display device. An interface receives requests from one or more source computers to establish communications sessions for sharing data, and a processor in re-sponse to a request establishes a communications session between the requesting source computer and at least one physical display device only in the event that at least one condi-tion is met. The at least one condition includes that a valid SCC is received with the re-quest. The establishing is based on the received SCC. Related methods and computer pro-grams are disclosed.
H04L 12/12 - Dispositions pour la connexion ou la déconnexion à distance de sous-stations ou de leur équipement
H04L 65/401 - Prise en charge des services ou des applications dans laquelle les services impliquent une session principale en temps réel et une ou plusieurs sessions parallèles additionnelles en temps réel ou sensibles au temps, p.ex. accès partagé à un tableau blanc ou mise en place d’une sous-conférence
H04L 67/146 - Marqueurs pour l'identification sans ambiguïté d'une session particulière, p.ex. mouchard de session ou encodage d'URL
G09G 5/00 - Dispositions ou circuits de commande de l'affichage communs à l'affichage utilisant des tubes à rayons cathodiques et à l'affichage utilisant d'autres moyens de visualisation
A computerized method of recognizing an input hand-drawn table formed by freeform line objects comprises transforming each freeform line object of the table into one of a vertical line segment and a horizontal line segment, generating a grid system based on the verti-cal and horizontal line segments and converting the gener-ated grid system into a table object.
A method of launching a selected application in a multi-monitor computer system (20) comprising a plurality of displays (22 to 26) operatively associated with at least one computing device (28) comprises in response to an application launch event, determining if the launch event was initiated from a registered display of the multi-monitor computer system; and if so, launching the application associated with the launch event on the registered display and if not, launching the application associated with the launch event on a default display of the multi-monitor computer system.
A method of managing applications in a multi-monitor computer system (20) comprising a plurality of displays (22 to 26 and 30 to 34), comprises displaying representations of available applications in the multi-monitor computer system on one of the displays and in response to selection of a representation of an application that is available on a different display, transferring the application associated with the selected representation to the display from which the selection was made.
G09G 5/00 - Dispositions ou circuits de commande de l'affichage communs à l'affichage utilisant des tubes à rayons cathodiques et à l'affichage utilisant d'autres moyens de visualisation
G06F 3/14 - Sortie numérique vers un dispositif de visualisation
An apparatus, method and computer program product, for displaying video data from at least one source computer in a multi-monitor computer system, are provided. The apparatus includes a source computer interface for receiving at least video data from at least one source computer, and a multi-monitor interface for providing video data to multiple monitors. A processing structure coordinates routing of video data received via the multi-monitor interface to the monitors based on display requests received from the at least one source computer.
G09G 5/00 - Dispositions ou circuits de commande de l'affichage communs à l'affichage utilisant des tubes à rayons cathodiques et à l'affichage utilisant d'autres moyens de visualisation
A method for dividing a digital image into regions comprises identifying potential region borders based on edge content in the digital image. The digital image is divided into regions based on user-selected ones of the potential region borders. A method of processing a region of a digital image comprises receiving gesture data for characterizing the region. A processing tool associated with the gesture data is automatically launched, and the region is processed using the processing tool.
An interactive input system (50) comprises imaging devices (70) with different viewpoints and having at least partially overlapping fields of view encompassing a region of interest. At least two of the imaging devices have different focal lengths. Processing structure (70, 54, 56) processes image data acquired by the imaging devices to detect the existence of a pointer and determine the location of the pointer within the region of interest.
A method of displaying a computer application comprising a plurality of objects within an initially transparent application window comprises creating an animated content window below the application window for each animated content object of the computer application and directing the player responsible for playing the animated content object to draw the animated content directly therein. The objects of the computer application are examined and a clipping mask for each animated content object corresponding generally to the animated content window created therefor is defined. Starting from bottom to top, an object from the list is selected. If the selected object is not an animated content object, the object is drawn within the application window except in areas corresponding to the clipping masks. If the selected object is an animated content object, the clipping mask defined for animated content object is removed, thereby to allow selected objects in the list above the animated content object to be drawn thereover.
G06F 3/14 - Sortie numérique vers un dispositif de visualisation
G09G 5/377 - Dispositions ou circuits de commande de l'affichage communs à l'affichage utilisant des tubes à rayons cathodiques et à l'affichage utilisant d'autres moyens de visualisation caractérisés par l'affichage de dessins graphiques individuels en utilisant une mémoire à mappage binaire - Détails concernant le traitement de dessins graphiques pour mélanger ou superposer plusieurs dessins graphiques
46.
SYSTEM AND METHOD FOR DIFFERENTIATING BETWEEN POINTERS USED TO CONTACT TOUCH SURFACE
A touch system comprises a touch surface and at least one camera acquiring images of the touch surface. A pointer contact data generator generates pointer position data in response to pointer contact with the touch surface, the pointer position data representing where on the touch surface pointer contact is made. A processor communicates with the at least one camera and the pointer contact data generator. The processor analyzes acquired images to determine the type of pointer used to contact the touch surface, and processes the pointer position data in accordance with the determined type of pointer. In the preferred embodiment the processor distinguishes between pointer tip touch surface contacts, pointer backend touch surface contacts and finger touch surface contacts. A writing function is invoked in response to pointer tip touch surface contacts. An erase function is invoked in response to pointer backend touch surface contacts. Mouse events are generated in response to finger touch surface contacts.
G06F 3/042 - Numériseurs, p.ex. pour des écrans ou des pavés tactiles, caractérisés par les moyens de transduction par des moyens opto-électroniques
G06F 3/0354 - Dispositifs de pointage déplacés ou positionnés par l'utilisateur; Leurs accessoires avec détection des mouvements relatifs en deux dimensions [2D] entre le dispositif de pointage ou une partie agissante dudit dispositif, et un plan ou une surface, p.ex. souris 2D, boules traçantes, crayons ou palets