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| Number | Title | Issue Date |
| 7586543 | System and method for overlay of a motion video signal on an analog video signal A system for overlaying a motion video signal onto an analog signal on a display. The system includes a motion video processing unit for receiving and processing the motion video signal into a signal having an analog video format, a video format analyzer and synchro... | 09/08/2009 |
| 7391416 | Fine tuning a sampling clock of analog signals having digital information for optimal digital display Method and system for fine tuning frequency and phase of a sampling clock of analog signals (R, G, B) having digital information, for sampling the analog signals within an optimal sampling period, enabling optimal display by a digital display device (92). Sma... | 06/24/2008 |
| 7367042 | Method and apparatus for hyperlinking in a television broadcast A system and method of adding hyperlinked information to a television broadcast. The broadcast material is analyzed and one or more regions within a frame are identified. Additional information can be associated with a region, and can be transmitted in encoded form,... | 04/29/2008 |
| 7362319 | Method and apparatus for auto-generation of horizontal synchronization of an analog signal to a digital display Determining a horizontal resolution and a phase of an analog video signal arranged to display a number of scan lines each formed of a number of pixels is described. A number of initialization values are set where at least one of the initialization values is a curren... | 04/22/2008 |
| 7359005 | Method and system for component sync detection and alignment In a method and system for component sync detection and alignment, the Y/G channel is used as a master channel from which the vertical and the horizontal syncs are detected by a master sync generator. The master sync generator determines a fast and slow slice level ... | 04/15/2008 |
| 7349956 | System and method for accessing and operating personal computers remotely A remote access device is disclosed for capturing, digitizing and communicating video signals from a host computer to a remote computer. The remote computer returns keyboard and mouse signals through the remote access device to the host computer to control the host ... | 03/25/2008 |
| 7268825 | Digital synchronizing generator A sync generator (genlock) (10) for frequency and phase locking an incoming video signal to a system clock (12) includes a digitizer (16, 22) for digitizing the incoming video signal to yield a digitized color sub-carrier burst component. A nume... | 09/11/2007 |
| 7249367 | Method and apparatus for switching between multiple programs by interacting with a hyperlinked television broadcast A system and method of adding hyperlinked information to a television broadcast. The broadcast material is analyzed and one or more regions within a frame are identified. Additional information can be associated with a region, and can be transmitted in encoded form,... | 07/24/2007 |
| 7239355 | Method of frame synchronization when scaling video and video scaling apparatus thereof A video scaling apparatus includes a receiver for receiving incoming video signals having transmitted therein a plurality of incoming frames, each incoming frame having a first plurality of synchronization signals for indicating lines in the incoming frame; a scaler... | 07/03/2007 |
| 7180491 | Application and method for rejection of a false data enable signal during vertical blanking periods in a graphics system A false DE rejection system is described. DEs are ignored during a programmable vertical lockout period. Internal timing is used during the vertical lockout period to count the number of vertical lines to ignore. The first DE received after the vertical lockout peri... | 02/20/2007 |
| 7120924 | Method and apparatus for receiving a hyperlinked television broadcast A system and method of receiving information hyperlinked to a television broadcast. The broadcast material is analyzed and one or more regions within a frame are identified. Additional information can be associated with a region, and can be transmitted in encoded fo... | 10/10/2006 |
| 7117517 | Method and apparatus for generating data structures for a hyperlinked television broadcast A system and method of adding hyperlinked information to a television broadcast. The broadcast material is analyzed and one or more regions within a frame are identified. Additional information can be associated with a region, and can be transmitted in encoded form,... | 10/03/2006 |
| 7116827 | Video coding and video decoding apparatus A video encoding apparatus is provided with a resolution converting section, an encoding section, and a transmitting section. The resolution converting section enlarges or reduces a binary picture which represents the shape of an object. The encoding section encodes... | 10/03/2006 |
| 7085412 | Filtering image data to obtain samples mapped to pixel sub-components of a display device Image data processing and image rendering methods and systems whereby images are displayed on display devices having pixels with separately controllable pixel sub-components. Image data, such as data encoded in a three-channel signal, is passed through a low-pass fi... | 08/01/2006 |
| 7061540 | Programmable display timing generator A display timing generator is provided for selecting line types and providing synchronization timing signals for video signals. The display timing generator provides programmability for the user to select line types for a frame to be displayed on a display. The line... | 06/13/2006 |
| 7053959 | Digital video encoder A mask circuit masks a digital video signal so that a video signal of an analog video signal is not outputted for a predetermined period after the start of output of a horizontal synchronizing signal of the analog video signal. A period of masking the digital video ... | 05/30/2006 |
| 7007236 | Lab window collaboration This invention is a method for manipulating virtual objects displayed on a video conference broadcast by generating a computerized three dimensional image of an object to be superimposed on a first video broadcast signal from a local video camera for display on a re... | 02/28/2006 |
| 7002634 | Apparatus and method for generating clock signal A clock generating apparatus is provided for producing an output clock signal responsive to a source clock signal with a source frequency and a reference clock signal with a reference frequency. The clock generating apparatus includes a counting sequence generator, ... | 02/21/2006 |
| 6975362 | Video signal converter for converting non-interlaced to composite video A VGA to analog video converter is useful e.g. for displaying video and/or graphics data from a computer onto a large screen television or television monitor. The RGB video signals output from the personal computer are first converted to digital form. The analog-to-... | 12/13/2005 |
| 6947060 | Image forming apparatus, electron beam apparatus, modulation circuit, and image-forming apparatus driving method An image forming apparatus which performs pulsewidth modulation with a pulsewidth set by counting a clock. Especially, for grayscale level correction by setting the frequency of the clock, the periodic clock is counted, and an output pattern is changed in accordance... | 09/20/2005 |
| 6937287 | Video processing apparatus and method In order to reduce the total capacity of a ROM used for adjustment of the black level and the white level of a digitized luminance signal for a television receiver, for example, a comparator compares the input luminance signal with a predetermined threshold value, a... | 08/30/2005 |
| 6912011 | Method and system for measuring audio and video synchronization error of audio/video encoder system and analyzing tool thereof A method for measuring audio and video synchronization error of an audio/video encoder system is provided. The method includes steps of: producing a reference video data having a first time length and including a particular image pattern and a reference audio data h... | 06/28/2005 |
| 6911996 | Fluoroscopy image apparatus In a fluoroscopy image apparatus of the invention, in case an ordinary control circuit for an image sensor is out of order, a D/A switching mechanism is switched to analog, and a plurality of pixels of the image sensor is controlled as one pixel unit by a pixel cont... | 06/28/2005 |
| RE38618 | Method and apparatus for automatic pixel clock phase and frequency correction in analog to digital video signal conversion A method for producing a digital video signal from an analog video signal, the analog video signal including an analog video data signal that is raster scanned in lines across a CRT screen to form consecutive frames of video information, the raster scanning controll... | 10/12/2004 |
| 6636269 | Video timing system and method A video timing system and method. The method typically includes receiving from an input video stream an input video field in a video buffer, transmitting an output video field from the video buffer to an output video stream, measuring a time interval betw... | 10/21/2003 |
| 6564382 | Method for playing multimedia applications The present invention relates to a method of playing a set of multimedia applications (A), each multimedia application including a list of tasks (TTD). The method includes the steps of creating a common scheduler (SCH) at a start time, in order to provide... | 05/13/2003 |
| 6545721 | Video retiming through dynamic FIFO sizing A method and apparatus for retiming video. Vertical synchronization information (VSI) is detected in an incoming video stream. A VSI is also detected in both as output video stream and a reference video stream. Based on the difference between the VSI of t... | 04/08/2003 |
| 6441812 | Hardware system for genlocking A computer system includes a graphics controller with a first refresh rate and a first horizontal synchronization signal; a secondary source of video data having a second refresh rate and a second horizontal synchronization signal; and a genlock unit for ... | 08/27/2002 |
| 6441857 | Method and apparatus for horizontally scaling computer video data for display on a television An apparatus and method for converting pixel data from a computer video format to a television-compatible composite video waveform. A color space converter converts RGB or YCrCb pixel data into YUV pixel data. The YUV pixel data is supplied to an encoder ... | 08/27/2002 |
| 6326960 | Video output phase control in a decoder The present invention provides a method and apparatus for providing video output phase control in a decoder. In particular, the present invention provides a decoder that precisely aligns output of video display data with a time stamp associated with the v... | 12/04/2001 |
| 6262695 | Method and apparatus for phase-locking a plurality of display devices and multi-level driver for use therewith A method and apparatus for phase-locking a plurality of display devices and multi-level driver for use therewith. Each of the display devices displays an image under the control of a distinct clock having a distinct clock rate. Each of the images contains... | 07/17/2001 |
| 6177922 | Multi-scan video timing generator for format conversion This invention is directed to a method and apparatus for producing video signal timing for a display device that has a display format different from the input video format. It also provides a method and apparatus for producing video signal timing in cases... | 01/23/2001 |
| 6118440 | Image display system and display control apparatus An image display system reproduces a dot clock on the basis of a horizontal sync signal that is generated from a host computer and displays an image on a display unit such as a ferroelectric liquid crystal display. In the host computer, a graphic card is ... | 09/12/2000 |
| 6049358 | Counter control circuit for controlling counter having a pulse period measuring function A counter control circuit of a counter for measuring a pulse period of a video synchronization signal includes a main control unit having a synchronization signal input Sync, and a control signal producing unit including a stop signal generator, a latch s... | 04/11/2000 |
| 6040871 | Method and apparatus for synchronizing video signals A process and system for synchronizing a video signal to the sampling period of a client system. The synchronization may be suitably implemented by adding or deleting trailing lines from each frame of video data to adjust the frame to match the sampling p... | 03/21/2000 |
| 6037978 | Sync signal self-test device and method A sync signal self-test device includes: a pre-amplifier, for pre-amplifying red, green, and blue video signals from a computer system; a microprocessor, for checking the horizontal and vertical sync signal frequencies, and for controlling production of o... | 03/14/2000 |
| 6037994 | Sync signal processing device for combined video appliance A sync signal processing device for a combined video appliance capable of directly processing a personal computer (PC) signal through a television (TV) receiver circuit to achieve the horizontal and vertical driving and deflection. The device can prevent ... | 03/14/2000 |
| 5986697 | Method and apparatus for raster calibration A method and apparatus for raster calibration is described. Calibration circuitry operates in the context of a local video subsystem which receives at least one sync signal from a remote video (typically graphics) subsystem. The calibration circuitry cali... | 11/16/1999 |
| 5883670 | Motion video processing circuit for capture playback and manipulation of digital motion video information on a computer A digital motion video processing circuit can capture, playback and manipulate digital motion video information using the system memory of a computer as a data buffer for holding compressed video data from the circuit. The system memory may be accessed by... | 03/16/1999 |
| 5798799 | Controller for providing timing signals for video data A controller for synchronising video signals for displaying on TV screen. The controller has a horizontal input storage for receiving a horizontal synchronising signal of a first sequence for computer generated image data; a vertical input storage for rec... | 08/25/1998 |
