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| Number | Title | Issue Date |
| 8179443 | Waveform display apparatus and method A waveform display apparatus that can display a waveform in a desired position even when an internal reference mode is switched to an external reference mode. The internal and external reference modes are switched with a reference select button 60. A user ope... | 05/15/2012 |
| 8059154 | Systems and methods for automatic camera calibration Camera calibration for a particular camera is automated based on line segments derived from historical data of images passing within that camera's view. Objects having a stable history of orientation are selected for conversion to line segments. A model is derived t... | 11/15/2011 |
| 8054331 | Systems and methods for generating video test sequences based upon captured video data A video test system is provided with a circular buffer to capture a video input sequence in response to a trigger, and a test generator output to generate a video test sequence based upon the captured video test sequence. The system may be implemented using a single... | 11/08/2011 |
| 7876356 | Methods and systems for display color calibration using remote control A method and corresponding systems for using remote control to realize standard colors on displays. Two examples of remote controls are provided, one with color sensors and the other with white LEDs. For each example a calibration pattern is displayed which allows a... | 01/25/2011 |
| 7683930 | Portable vertical blanking interval signal A vertical blanking interval (VBI) signal testing tool captures, isolates, and analyzes a VBI signal to determine the quality of the VBI signal or signal source. A digitized VBI signal may be received and analyzed according to industry standards. The VBI signal is e... | 03/23/2010 |
| 7479981 | Testing a vertical blanking interval signal A vertical blanking interval (VBI) signal testing tool captures, isolates, and analyzes a VBI signal to determine the quality of the VBI signal or signal source. A digitized VBI signal is received and analyzed according to industry standards. The VBI signal is first... | 01/20/2009 |
| 7405748 | Video signal monitoring apparatus An apparatus for monitoring a video signal comprises means for detecting a gamut error in an R component, means for detecting a gamut error in a G component, and means for detecting a gamut error in a B component. The means for detecting a gamut error in the R compo... | 07/29/2008 |
| 7405723 | Apparatus for testing display device and method for testing the same An apparatus for testing a display device includes a display device to display test patterns, a graphic process unit to supply analog mode signals and digital mode signals to the display device, and a control unit to allow test patterns of an analog testing mode and... | 07/29/2008 |
| 7394483 | Display evaluation method and apparatus A measurement pattern is moved on a display, and an image of the measurement pattern is captured by making a visual field of an image sensor follow the scroll of the measurement pattern. On the basis of the captured image, a motion picture response curve is obtained... | 07/01/2008 |
| 7339705 | Apparatus for and method of making measurement on printed sheet A printed sheet measurement apparatus initially captures images on a reference sheet and a printed sheet to store respective image data. Next, both of the image data are displayed on a display element, and a pair of corresponding points are specified for each of the... | 03/04/2008 |
| 7336298 | Video signal level monitoring apparatus A video signal level monitoring apparatus which monitors the level of a video signal, said apparatus comprises means for inputting a first color difference component (Cb) and a second color difference component (Cr) of a component video signal, means for inputting a... | 02/26/2008 |
| 7330287 | Tone scale adjustment A method of processing data from a digital image to optimize the tonescale to a printer being used without operator intervention adjusts the gain and offset of the input image data to occupy the full range of the printer, adjusts the shadow and highlight regions of ... | 02/12/2008 |
| 7327384 | Gamut false color display A gamut error false color display uses false coloring on a monochrome image of a video picture being tested. Composite and component gamut error signals are extracted from an input video signal representing the video picture being tested. Such error signals may repr... | 02/05/2008 |
| 7301559 | Measuring instrument for measuring video signal level and display device for displaying video signal level A measuring instrument is fed with a video output signal, and performs RGB processing on the video output signal to generate graphic data. A video signal level in the graphic data is measured and video signal level data is generated. Display data including the graph... | 11/27/2007 |
| 7269225 | Serial digital signal transmission apparatus A serial digital signal transmission apparatus can transmit HDTV digital serial signals with little jitter while utilizing the SRTS method. In the apparatus, parallel clocks are counted by an N counter to be supplied to the latch circuit, which latches the output co... | 09/11/2007 |
| 7265778 | Visual display characterization A method of characterizing a display having a plurality of color channels includes the steps of visually characterizing the nonlinearities of the display; determining luminance ratios of the color channels using heterochromatic photometry; determining the chromatici... | 09/04/2007 |
| 7262723 | Compensation circuit for clock jitter compensation A compensation circuit for a digital/analogue converter, which is clocked by a clock signal comprising a jitter and converts a digital input data signal into an analogue output data signal comprising a jitter error due to said jitter, comprises a measurement circuit... | 08/28/2007 |
| 7233349 | Video timing display indicator A timing alignment or offset display shows the relationship between a reference signal and a test signal, in particular two analog or digital video signals. Timing extraction circuits derive a lower frequency signal synchronized to horizontal lines and a higher freq... | 06/19/2007 |
| 7233370 | Method for correcting for distortion of projected image, program for correcting image distortion, and projection-type image display device An image distortion correction method is provided which is capable of correcting for distortion of a projected image by designating an arbitrary correction point by using a simple and easy operation without independently providing a display device and/or a pointing ... | 06/19/2007 |
| 7227593 | Apparatus for preventing auto-convergence error in projection television receiver Disclosed is a video display an auto-convergence error in a projection television receiver (TV) capable of preventing generation of an error when an auto-convergence is performed. The apparatus includes a screen for displaying an image signal, first to eighth sensin... | 06/05/2007 |
| 7227666 | Dynamic selection of rendering intent for color proofing transforms In general, in one aspect, the invention features an apparatus, method, and computer program product for automatically selecting a rendering intent. It includes identifying a device color profile associated with a device; and automatically selecting a rendering inte... | 06/05/2007 |
| 7221298 | Calibration circuitry Circuitry includes a multiplexer to output first data and second data in response to a clock signal, the clock signal having rising and falling clock edges, where the multiplexer outputs first data at a rising clock edge and outputs second data at a falling clock ed... | 05/22/2007 |
| 7215360 | Error propagation tree technology A method and system for providing condition information associated with an entity being analyzed. The method includes presenting nodes corresponding to components of the entity according to a tree-like configuration, and providing condition information associated wi... | 05/08/2007 |
| 7202844 | Liquid crystal display controller and liquid crystal display In a liquid crystal display controller, a digital image input signal is input to the controller for data-processing and output to a liquid crystal driver which drives a liquid crystal panel which can be normally white or normally black. The liquid crystal display co... | 04/10/2007 |
| 7199818 | Status ribbon for display for multiple channels/codes A status ribbon to display a signal characteristic for multiple channels/codes within a region of interest has a plurality of stripes. A value for each stripe is represented by a trait of the stripe, such as color or brightness. The trait may represent a range of a ... | 04/03/2007 |
| 7195381 | Vehicle interior LED lighting system A vehicle lighting system for a vehicle includes an accessory module assembly that is adapted for attachment to an interior portion of a vehicle and configured to illuminate, for example, an area inside the vehicle. The module assembly includes a single high-intensi... | 03/27/2007 |
| 7190408 | TV-receiver, image display apparatus, TV-system and method for displaying an image A TV-receiver 220 for receiving and decoding a broadcasted TV-signal representing an image and control data. The control data defines a vector indicating a location of a partition of important subject matter within the image. In addition an image display appa... | 03/13/2007 |
| 7180539 | Luminance qualified vector display A luminance qualified vector display device provides a vector display that is gated by a specified luminance range. In one implementation three luminance gates may be used, one for luminance levels above a specified high luminance threshold, a second for luminance l... | 02/20/2007 |
| 7180530 | Visual display testing, optimization and harmonization method and system A method and system for automatically testing visual displays and automatically optimizing the voltage settings for each visual display being tested by harmonizing and tailoring the voltage settings applied to the display and automatically setting into memory the co... | 02/20/2007 |
| 7161710 | Composite rendering intent for color proofing applications An apparatus, method and computer program product for transforming data from a source device color space to a destination device color space, wherein the source device is associated with a source device profile and the destination device is associated with a destina... | 01/09/2007 |
| 7158170 | Test system for camera modules A test system and a related method to perform optical and electrical tests, to adjust the focus and to seal the lens of digital fixed-focus cameras have been achieved. Said test system is especially suited for miniature camera module to be built into consumer electr... | 01/02/2007 |
| 7158137 | Architecture for improved display performance in a signal acquisition and display device A multiple channel signal acquisition device wherein each channel performs a respective rasterization process to provide respective waveform imagery, the respective waveform imagery having a display parameter reduced at a decay rate, the respective waveform imagery ... | 01/02/2007 |
| 7154532 | Video field rate persistence A video field rate persistence is provided for a video waveform display where multiple video components are displayed simultaneously, one component being updated per field interval. A persistence count is assigned to each pixel in a circular field buffer which is di... | 12/26/2006 |
| 7149954 | Method and system for programmable field statistic for picture cyclic redundancy check (CRC) Provided is a system and method for performing CRC analysis in a video test bench. An exemplary system includes a memory configured for storing a required number representative of the data fields to be analyzed. A module is coupled at least indirectly to the memory ... | 12/12/2006 |
| 7139669 | Software clamping of video signals A method of software clamping a video signal for waveform display on a general purpose oscilloscope where the video signal is a.c. coupled to an input of the oscilloscope includes acquiring samples of the video signal in response to a trigger signal derived from the... | 11/21/2006 |
| 7113228 | Modular control panel for video apparatus The invention relates to a control panel for video apparatus. For realizing greater flexibility with such control panels there is proposed that the control panel comprises at least an operating module (31) and a control module (32), the control module ... | 09/26/2006 |
| 7110598 | Automatic color constancy for image sensors An electronic imaging system operates as closely as possible to the cone spectral response space to obtain a human eye-like long, medium, short (LMS) wavelength response. An input image, for example, red-green-blue (RGB), is transformed to an LMS color space similar... | 09/19/2006 |
| 7068853 | Tone scale adjustment of digital images A method of processing data from a digital image to enhance the neutral tonescale estimates a neutral offset, a neutral gain and a neutral gamma from the input data and uses these estimated values to transform the input image data. ... | 06/27/2006 |
| 7061545 | Method for displaying menu of TV A method for displaying a menu of a TV is disclosed, in which icons and characters are prevented, to the utmost, from being transformed in a screen mode having a variable width, such as a double window mode or a PIP mode, so that meanings of the icons and characters... | 06/13/2006 |
| 7046184 | Analog/digital converter for detecting coincidence or non-coincidence between data and a micro-computer including the analog/digital converter An analog/digital converter and a micro-computer including the analog/digital converter that may accurately perform “coincidence detection” operation between A/D converted digital data and a reference digital value. The analog/digital converter includes a conver... | 05/16/2006 |
