BARCO N.V. Patent applications |
Patent application number | Title | Published |
20160119737 | ARRANGEMENT AND METHOD FOR REPRODUCING AUDIO DATA OF AN ACOUSTIC SCENE - An arrangement, for reproducing audio data of an acoustic scene, adapted for generating audio signals for at least a first and a second headphone channel of a headphone assembly, the audio signals corresponding to at least one audio object and/or sound source in the acoustic scene comprising at least one given close range and at least one given distant range arranged around a listener, the arrangement comprising a first headphone channel; a second headphone channel; a basic channel provider comprising at least a basic system adapted for reproducing audio signals corresponding to at least one audio object and/or sound source arranged in at least one distant range; a proximity channel provider comprising at least a proximity system adapted for reproducing audio signals corresponding to at least one audio object and/or sound source arranged in at least one close range. | 04-28-2016 |
20160112819 | AUDIO REPRODUCTION SYSTEM AND METHOD FOR REPRODUCING AUDIO DATA OF AT LEAST ONE AUDIO OBJECT - An audio reproduction system for reproducing audio data of at least one audio object and/or at least one sound source of an acoustic scene in a given environment comprising:
| 04-21-2016 |
20160021533 | METHOD AND DEVICE FOR IMAGE AND VIDEO TRANSMISSION OVER LOW-BANDWIDTH AND HIGH-LATENCY TRANSMISSION CHANNELS - A method for transmission of images and/or video over bandwidth limited transmission channels having varying available bandwidth, which uses a classification algorithm to decompose the images and/or video to be transmitted into multiple spatial areas, each area having a specific image type; detecting the image type of each of those areas; and separately selecting for each of those areas an image and/or video encoding algorithm having a compression ratio. The classification algorithm is used to prioritize each of the areas, increase the compression ratio of the image and/or video encoding algorithm dedicated to spatial areas having lower priority in case of decreasing bandwidth. | 01-21-2016 |
20150317926 | AUTOMATED MEASUREMENT OF DIFFERENTIAL LATENCY BETWEEN DISPLAYS - The present invention relates to methods or system for the measurement of differential latency between displays located at endpoints of network, displays being driven by one or more rendering machines and having means for refreshing the images on different displays at the same point in time as well as means adapted so that the content of each displayed image can only change after the completion of previous displayed frame. For example the displays can be frame locked and have double buffered swap locked memory operation. The method or system is adapted to stream test images over the network to the displays of the different endpoints. The test images are displayed on the displays. The displayed images at the different endpoints with an image recording device such as a camera. Optionally the delays can be compensated, e.g. by delaying the streams with lower latency at the level of the frame buffer (FIFO) before or after decoding. Preferably the system or method is adapted to measure end-to-end differential latency between the displays and for putting this in vector form. | 11-05-2015 |
20150287416 | AD HOC ONE-TIME PAIRING OF REMOTE DEVICES USING ONLINE AUDIO FINGERPRINTING - Participants of a phone conference can share electronic data without a need to exchange passwords to link two devices nor to login to access data. The invention is resistant to eavesdropping, and provides methods, devices and systems to easily and automatically find, identify and authenticate participants on a computer network for electronic data exchange. Samples of the audio are used to create a stream of audio fingerprints which are sent to a matching service. This matching service finds the fingerprints that correspond to the same conversation, and exchanges identifiers. When instructed by the user, the device can setup a secure data connection. | 10-08-2015 |
20150263905 | ELECTRONIC TOOL AND METHODS FOR MEETINGS - An electronic meeting tool and method for communicating arbitrary media content from users at a meeting comprises a node configuration means adapted to operate a display node of a communications network, the display node being coupled to a first display. The node configuration means is adapted to receive user selected arbitrary media content and to control display of the user selected arbitrary media content on the first display. A peripheral device adapted to communicate the user selected arbitrary media content via the communications network is a connection unit comprising a connector adapted to couple to a port of a processing device having a second display, a memory and an operating system, and a transmitter. A program is adapted to obtain user selected arbitrary media content, said program leaving a zero footprint on termination. The user may trigger a transfer of said user selected arbitrary media content to said transmitter. | 09-17-2015 |
20150256823 | METHOD AND SYSTEM FOR DETERMINING IMAGE RETENTION - A system and method for measuring and quantifying image retention in a display device. The method involves displaying a test pattern ( | 09-10-2015 |
20150206299 | METHOD AND SYSTEM FOR VALIDATING IMAGE DATA - A system and method for validating GPU rendered display data—e.g., a sequence of frames by—comparing, across substantially all of the pixel locations in a frame, the GPU rendered display data to display data rendered by another processor. In this way, by checking substantially all of the pixel locations in a frame, errors in the display image data can be detected without prior knowledge of the format, layout, etc. of the display data. The system may be capable of operating without receiving input from a user or producing output to a user, and without receiving input from other applications or producing output to other applications. In this way, the validation would be invisible to a user and/or other applications. | 07-23-2015 |
20150154126 | ELECTRONIC TOOL AND METHODS FOR MEETINGS - An electronic meeting tool for communicating arbitrary media content from users at a meeting includes a node configuration operating a display node of a communications network that is coupled to a display. The node configuration receives user selected arbitrary media content and controls display of the user selected arbitrary media content on the display. At least one peripheral device communicates the user selected arbitrary media content via the communications network. The peripheral device is a connection unit including a connector that couples to a port of a processing device having a second display, a memory and an operating system; and a transmitter communicating with the communications network. A program is provided to run on the operating system of the processing device and obtains user selected arbitrary media content, while leaving a zero footprint on termination. | 06-04-2015 |
20150121466 | ELECTRONIC TOOL AND METHODS FOR MEETINGS - An electronic meeting tool and method for communicating arbitrary media content from users at a meeting. These can include a node configuration device adapted to operate a display node of a communications network, the display node being coupled to a first display. The node configuration device is adapted to receive user selected arbitrary media content and to control display of the user selected arbitrary media content on the first display. At least one peripheral device adapted to communicate the user selected arbitrary media content via the communications network is provided, where the peripheral device is a connection unit including: (e) a connector adapted to couple to a port of a processing device having a second display, a memory and an operating system; and (f) a transmitter for communicating with the communications network. | 04-30-2015 |
20150109271 | DISPLAY DEVICE AND USE THEREOF - The display device has a sensor system with at least one sensor for detecting the intensity or colour of light emitted from at least one display area of the display device into the viewing angle of the display device. The sensor system further has in one embodiment an at least partially transparent sensor. The sensor system has in another embodiment at least one optical coupling device including a light guide member and a incoupling member for guiding or directing, e.g. deflecting, reflecting, bending, scattering, diffracting, at least one part of the light emitted from the display area to the corresponding sensor, where the sensor is located outside or at least partially outside the viewing angle of the display device. | 04-23-2015 |
20150092286 | METHOD AND APPARATUS FOR CONSTRUCTING A THIN FILM MIRROR - Systems and methods for constructing a thin film mirror are provided. The apparatus includes a vacuum chamber having edges. Adjacent the vacuum chamber is at least one extender having an edge that is spaced from and extending beyond the adjacent edge of the vacuum chamber in two directions. In this manner, the thin film does not contact the vacuum chamber until force is applied to the thin film, such as by mechanical tensioning mechanisms or application of a partial vacuum. | 04-02-2015 |
20150089395 | ELECTRONIC TOOL AND METHODS FOR MEETINGS - An electronic meeting tool and method for communicating arbitrary media content from users at a meeting comprises a node configuration means adapted to operate a display node of a communications network, the display node being coupled to a first display. The node configuration means is adapted to receive user selected arbitrary media content and to control display of the user selected arbitrary media content on the first display. A peripheral device adapted to communicate the user selected arbitrary media content via the communications network is a connection unit comprising a connector adapted to couple to a port of a processing device having a second display, a memory and an operating system, and a transmitter. A program is adapted to obtain user selected arbitrary media content, said program leaving a zero footprint on termination. The user may trigger transfer of said user selected arbitrary media content to said transmitter. | 03-26-2015 |
20140354957 | PROJECTION SYSTEM AND METHOD OF PROJECTING MULTIPLE IMAGES - The present invention relates in part to a print method for an arbitrary grey scale image on a transparent substrate such as glass. The present invention makes use of a printer that can print in continuous grey tones. The printed material should be transparent and resistant to the light which passes through it in a projection system. The present invention also provides a continuous grey scale filter made by a printing techniques using liquid inks or toners. Such a continuous grey scale filter can be used for blending multiple images in a multichannel projector system. The present invention also provides a multichannel projector system using the continuous grey scale filter. | 12-04-2014 |
20140351462 | ELECTRONIC TOOL AND METHODS FOR MEETINGS - An electronic meeting tool and method for communicating arbitrary media content from users at a meeting is described. These can include a node configuration means adapted to operate a display node of a communications network, the display node being coupled to a first display. The node configuration means is adapted to receive user selected arbitrary media content and to control display of the user selected arbitrary media content on the first display. At least one peripheral device adapted to communicate the user selected arbitrary media content via the communications network is provided, wherein the peripheral device is a connection unit that includes a connector adapted to couple to a port of a processing device having a second display, a memory and an operating system; and a transmitter for communicating with the communications network. A program is provided that is adapted to be loaded onto the processing device and to run on the operating system of the processing device, the program being adapted to obtain user selected arbitrary media content, and to leave a zero footprint on termination. An input device is provided to allow the user to carry out a user action that triggers transfer of said user selected arbitrary media content to said transmitter through said port. | 11-27-2014 |
20140304332 | METHOD AND DEVICE FOR IMAGE AND VIDEO TRANSMISSION OVER LOW-BANDWIDTH AND HIGH-LATENCY TRANSMISSION CHANNELS - A method for transmission of images and/or video over bandwidth limited transmission channels having varying available bandwidth, which uses a classification algorithm to decompose the images and/or video to be transmitted into multiple spatial areas, each area having a specific image type; detecting the image type of each of those areas; and separately selecting for each of those areas an image and/or video encoding algorithm having a compression ratio. The classification algorithm is used to prioritize each of the areas, increase the compression ratio of the image and/or video encoding algorithm dedicated to spatial areas having lower priority in case of decreasing bandwidth. | 10-09-2014 |
20140253516 | NIGHT VISION TOUCHSCREEN - A touchscreen system for locating an opaque object in a target region, detects interruption of light beams. Each of the touchscreens have one or more optical emitters to create the beams, and one or more optical detectors to provide detection signals arranged to use emission wavelengths which are compatible with night vision apparatus, and having an NVIS radiance smaller than 1.7×10 | 09-11-2014 |
20140247395 | METHOD AND DEVICE TO ENHANCE IMAGE QUALITY IN DIGITAL VIDEO PROCESSING SYSTEMS USING DITHERING - A processing chain for a digital image signal applies a dither pattern, having a first spectrum, to the image signal at a point in the processing chain. A further noise pattern is applied to the image signal during the processing chain. The noise pattern has a second spectrum which is configured such that the combination of the first spectrum and second spectrum results in a more continuous spectrum. Another aspect describes a noise pattern which can be used as an offset dither pattern for digital images, especially before colour bit depth reduction. The noise pattern has an array of values which are linearly distributed across a range, with each value in the range occurring an equal number of times. | 09-04-2014 |
20140244944 | WAIT-FREE ALGORITHM FOR INTER-CORE, INTER-PROCESS, OR INTER-TASK COMMUNICATION - A method and system are presented for providing deterministic inter-core, inter-process, and inter-thread communication between a reader and a writer. The reader and writer communicate by passing data through a shared memory using double buffering of double buffers. The shared memory includes a first double buffer and a second double buffer. Both double buffers include a first low level buffer and a second low level buffer. Using double buffering of the double buffers, both the reader and the writer may simultaneously access the shared memory. | 08-28-2014 |
20140240676 | LIGHT VALVE PROJECTOR WITH LASER-PHOSPHOR LIGHT CONVERTER - A method and system are presented directed to a light valve projector with a laser-phosphor light converter. The phosphor converter converts excitation light in order to provide light to a light valve projector. The phosphor converter reduces the étendue of laser-phosphor light sources using a light pipe integrator system. The light pipe integrator system includes a light pipe integrator configured to mix the excitation light and reduce the spot size of excitation light entering the system from, e.g., a laser array. The excitation light is imaged onto a phosphor as it exits the light pipe integrator. The phosphor emits fluorescent light, in response to being illuminated by the excitation light, that enters the light pipe integrator. The light pipe integrator reduces the emission angles of the fluorescent light while maintaining the étendue of the fluorescent light. The system and method may include a reflective polarizer to polarize the fluorescent light. | 08-28-2014 |
20140233109 | STRUCTURE AND METHOD FOR COMPENSATING TEMPERATURE DEPENDENT MAGNIFICATION AND FOCUS CHANGE - A method and device is described for compensating ambient temperature dependent magnification and focus change of a zoom lens system, whereby an ambient temperature compensation structure cooperates with a rotational ring and an optical-element adjusting member such that a phase variation between the rotational ring and the optical-element adjusting member in response to an ambient temperature change is compensated and whereby the phase variation characterizes an optical property of the zoom lens system such as magnification or focus. | 08-21-2014 |
20140201400 | ELECTRONIC TOOL AND METHODS FOR MEETINGS - An electronic meeting tool and method for communicating arbitrary media content from users at a meeting comprises a node configuration means adapted to operate a display node of a communications network, the display node being coupled to a first display. The node configuration means is adapted to receive user selected arbitrary media content and to control display of the user selected arbitrary media content on the first display. A peripheral device adapted to communicate the user selected arbitrary media content via the communications network is a connection unit comprising a connector adapted to couple to a port of a processing device having a second display, a memory and an operating system, and a transmitter. A program is adapted to obtain user selected arbitrary media content, said program leaving a zero footprint on termination. The user may trigger a transfer of said user selected arbitrary media content to said transmitter. | 07-17-2014 |
20140173507 | DISPLAY WALL LAYOUT OPTIMIZATION - The present invention provides a system, method, and apparatus for optimally determining, for a layout of windows on a display wall of a display system, the quality of display content to display in each window without exceeding system resources. The display system receives display content from at least one source, at least one of the at least one source providing display content at multiple qualities. Displaying display content uses system resources, and displaying high quality display content uses more system resources than displaying low quality display content. A received layout defines an arrangement of windows on the display wall, each window directed to displaying display content from one source. An objective function defines the quality of display content displayed in each window. The objective function is optimized to determine an optimized layout that does not exceed system resources. | 06-19-2014 |
20140092364 | APPARATUS AND METHOD FOR COMBINING LASER BEAMS OF DIFFERENT POLARIZATION - The present invention provides a light source apparatus ( | 04-03-2014 |
20140085609 | POLARIZATION PRESERVING DLP OPTICAL ARCHITECTURE - A DLP optical structure and corresponding method of controlling it are described including an optical integrator system having an optical integrator, a relay lens system, a TIR prism assembly, a digital imager, and a projection lens, said optical structure being adapted to accept a polarized light beam, said DLP optical structure comprising: at least one retarder positioned after said optical integrator for controlling the polarization state throughout said DLP optical structure, and achieving the desired polarization state after said projection lens; wherein said desired polarization state is substantially linear or circular. A DLP optical structure is also described including an optical integrator, a relay lens system, a TIR prism assembly, a digital imager and a projection lens, wherein the integrator is a fly-eye integrator for maintaining an input polarization of a light beam, and wherein said input polarization is linear or circular. DLP optical structures for use with a digital imager and a projection lens are also described, substantially as above but not including the features of the digital imager and projection lens. | 03-27-2014 |
20140085324 | METHOD AND SYSTEM FOR VALIDATING IMAGE DATA - A system and method for validating GPU rendered display data—e.g., a sequence of frames—by comparing, across substantially all of the pixel locations in a frame, the GPU rendered display data to display data rendered by another processor. In this way, by checking substantially all of the pixel locations in a frame, errors in the display image data can be detected without prior knowledge of the format, layout, etc. of the display data. The system may be capable of operating without receiving input from a user or producing output to a user, and without receiving input from other applications or producing output to other applications. In this way, the validation would be invisible to a user and/or other applications. | 03-27-2014 |
20140082227 | ELECTRONIC TOOL AND METHODS FOR MEETINGS - An electronic meeting tool and method for communicating arbitrary media content from users at a meeting is described. These can include a node configuration means adapted to operate a display node of a communications network, the display node being coupled to a first display. | 03-20-2014 |
20140028985 | LASER PROJECTOR WITH REDUCED SPECKLE - The present invention provides a light source for a projector system, and method of operating the light source as well as a projector system that provides: | 01-30-2014 |
20140028907 | Network Displays and Method of Their Operation - A digital networked studio and the needed software services to allow the use of the system for monitoring the creation and distribution processes of real-time created content is described. | 01-30-2014 |
20140022457 | SYSTEMS AND METHODS FOR LATENCY STABILIZATION OVER AN IP NETWORK - An exemplary embodiment of the present invention provides a latency stabilization system for stabilizing the display latency between a source and a renderer over an IP network. The latency stabilization system comprises a frequency syntonization module, a frequency lock detection module, and a phase correction module. The frequency syntonization module can be configured to syntonize a frequency of a source signal from the source and a frequency of a display signal to be displayed on the renderer. The frequency lock detection module can be configured to detect whether the frequency of the source signal and the frequency of the display signal are locked. The phase correction module can be configured to, synchronize a phase of the source signal and a phase of the display signal, and generate correction data based in part on synchronization of the phase of the source signal and the phase of the display signal. | 01-23-2014 |
20130308183 | CURVED BACK-PROJECTION SCREEN - A curved back-projection screen having an angle of curvature greater than 180° is described such as a wrap-around cylindrical or dome screen. The screen includes a first layer and a second synthetic resin diffusing layer on the first layer, the second synthetic resin diffusing layer containing a light absorbing material and light diffusing particles embedded in a resin material, with the second synthetic resin diffusing layer having a value of the product of the absorption coefficient and thickness of between 0.1 and 2. The second synthetic resin diffusing layer can be applied by spraying. | 11-21-2013 |
20130187959 | Optical correction for high uniformity panel lights - A display has a spatial light modulator for dynamically controlling a luminance of each pixel according to an input signal, the spatial light modulator having a non-uniform spatial characteristic, the display also having an optical filter having a spatial pattern to alter the luminance to compensate at least partially for the non-uniform spatial characteristic. An electronic signal processing element applies some precompensation predominantly of higher spatial frequencies for the non-uniform spatial characteristic. Such dynamic and optical compensation can enable tuning for different optimizations or for compensating for variations over time. A backlight has an optical source and an optical filter, the source having a color output which has a non-uniform spatial characteristic, and the optical filter having a spatial pattern to alter the color to compensate in part at least for the non-uniform spatial characteristic. | 07-25-2013 |
20130187958 | LUMINANCE BOOST METHOD AND SYSTEM - A system and method for increasing perceived contrast in a medical display ( | 07-25-2013 |
20130141482 | Optical correction for high uniformity panel lights - A display has a spatial light modulator for dynamically controlling a luminance of each pixel according to an input signal, the spatial light modulator having a non-uniform spatial characteristic, the display also having an optical filter having a spatial pattern to alter the luminance to compensate at least partially for the non-uniform spatial characteristic. An electronic signal processing element applies some pre ompensation predominantly of higher spatial frequencies for the non-uniform spatial characteristic. Such dynamic and optical compensation can enable tuning for different optimizations or for compensating for variations over time. A backlight has an optical source and an optical filter, the source having a color output which has a non-uniform spatial characteristic, and the optical filter having a spatial pattern to alter the color to compensate in part at least for the non-uniform spatial characteristic. | 06-06-2013 |
20130100974 | LIGHT EMITTING SYSTEMS - A laser diode grid element comprising laser diodes arranged along a corresponding substantially flat surface; and a collimator for each laser diode for generating collimated light beams substantially perpendicular on the respective substantially flat surface. The laser diodes are comprised in standard packages including a base plate serving as cooling surface of the laser diode, a metal housing arranged on the base plate to protect the laser diode, and at least two driving pins which extend from the laser diode through the base plate and which are used for driving the laser diode within the package. The laser diode grid element includes a heat sink arranged in contact with the base plates, and the at least two driving pins of each laser diode extend at least partially through the heat sink. Also provided are light emitting systems comprising such grid elements, and an optical component for use in such system. | 04-25-2013 |
20100202047 | STEREO DISPLAY SYSTEM WITH SCANNING OF LIGHT VALVES - A display method and system are described for displaying a stereo image comprising a first image and a second image. A light valve array comprising an array of light valve elements is driven according to an image and a light source is provided for generating a shaped light beam which can illuminate a portion of the light valve array. A scanning device is provided which is arranged to scan the shaped light beam across the light valve array. Light valve elements of the same light valve array are caused to sequentially adopt a state representative of the first image of the stereoscopic image and a state representative of the second image, and to cause the light valve elements to adopt a new state representative of one of the first and second images in advance of the scanning by the shaped light beam and to change to a new state representative of the other of the first and second images during a period between successive scans of the shaped light beam. | 08-12-2010 |
20100123880 | COLLIMATED VISUAL DISPLAY WITH ELLIPTICAL FRONT PROJECTION SCREEN - A front-projection display system having a screen with improved brightness and/or resolution of an image displayed on outer portions thereof. The screen has a display surface that is generally a convex shape having a curvature of the display surface in the vertical direction of an image projected thereon that is less than a curvature of the display surface in the horizontal direction. | 05-20-2010 |
20100099303 | Cable Connector - The disclosure herein describes embodiments of a cable connector that can be easily attached at a variety of points along the length of a cable as desired by a user for a particular application. The cable connector can easily be secured to the cable by snapping or otherwise securing the base and cover of the connector around the cable. The cable connector can include a device interface for coupling an electronic device to the cable connector. The cable connector can supply a power and control signal to the coupled device via terminals adapted to pierce the insulation on the cable and contact the conductors inside. The terminals of the cable connector can sever at least one of the conductors of the cable, disrupting the flow of current through the conductor. The device interface can bridge the severed ends of the conductor to enable unabated current flow when a device is not coupled thereto or redirect the current through an electronic device coupled to the interface. The cable connector enables easily connecting an electronic device in series between the severed ends of a conductor and providing current flow between the ends when the device is disconnect. | 04-22-2010 |
20090174867 | SYSTEM AND METHOD FOR REDUCING IMAGE ARTIFACTS IN A PROJECTION DEVICE USING A SCROLLING REFRACTIVE ELEMENT - A system and method for reducing speckle and smearing phenomena caused by a coherent light source. The light beam from the coherent light source is preferably refracted by a rotating refractive element. The refracted beam is focused and projected through a light valve by a plurality of optical components. The rotation of the refractive element causes the beam to scroll across the surface of a light receiving element, which reduces the smearing effect. The rotation of the refractive element also causes the propagation path of the beam to vary, causing rays of the light beam to undergo relative phase shift, varying the interference pattern on the light receiving element, resulting in a reduction in the appearance of the speckle phenomenon. | 07-09-2009 |
20090161196 | SYSTEM AND METHOD FOR SPECKLE REDUCTION FROM A COHERENT LIGHT SOURCE IN A PROJECTION DEVICE - Embodiments of the present invention are directed to a system and method for reducing speckle phenomenon caused by a coherent light source. Particular embodiments of the present invention are directed to a system and method for temporally varying the interference pattern generated by a coherent light source to homogenize the speckle pattern so that the speckle phenomenon is less observable. In accordance with an exemplary embodiment, an oscillating refractive element may be disposed within an optical system to create a temporally variable phase shift in the lights rays emanating from a coherent light source to eliminate static interference patterns on a light receiving element, reducing the speckle phenomenon. | 06-25-2009 |
20090147004 | Method And System For Combining Images Generated By Separate Sources - A system and method for combining images generated by separate sources. The system comprises a plurality of video image data sources that generate separate video images. The video images are captured and scaled by image processing hardware to fit within the viewports of a target window generated by a computing device. The parameters of the viewports are associated with the parameters of the target window such that changes to the target window result in corresponding changes to the viewports. The method comprises scaling the separate images to fit within the viewports using redundant data within each video image to interpolate pixel data at the boundary regions of adjacent images to eliminate artifacts at the boundary regions. | 06-11-2009 |