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| Number | Title | Issue Date |
| 7986371 | Video signal processing device, method of the same and vehicle-mounted camera system A video signal processing device, which includes: a plurality of imaging devices outputting mutually asynchronous interlace video signals; input buffers temporarily storing field by field the video signals outputted from the respective imaging devices; and an output... | 07/26/2011 |
| 7288914 | Drive wave generation circuit Two standard waves from a standard waveform generation circuit are output via an output gate while being interchanged by a direction selector. The switching operation of the direction selector is controlled by a direction control signal M/I. 200 cycles of the standa... | 10/30/2007 |
| 7288913 | Drive wave generation circuit Two standard waves from a standard waveform generation circuit are output via an output gate while being interchanged by a direction selector. The switching operation of the direction selector is controlled by a direction control signal M/I. 200 cycles of the standa... | 10/30/2007 |
| 7259482 | Distance extender and method making use of same A distance extender (100, 200) for increasing a distance between a first device (145) and a second device (150) in electrical communication with the first device includes an electrical cable (130, 230) electrically coupled between the fir... | 08/21/2007 |
| 7227665 | Image magnification changing apparatus After an image compressed by a compressing portion is stored in a page memory, it is decoded by a decoding portion. A sub-scanning enlargement portion carries out sub-scanning direction enlargement processing upon the image decoded by the decoding portion and a prin... | 06/05/2007 |
| 7212247 | Audio/video system providing variable delay An audio/video system (100) is capable of introducing variable amounts of delay into a signal path so as to properly synchronize two signals, such a video signal and a corresponding audio signal. According to an exemplary embodiment, the audio/video system ( | 05/01/2007 |
| 7209937 | Method and apparatus for generation of arbitrary mono-cycle waveforms A waveform generator digitally synthesizes a waveform having a plurality of successive portions that can each be as short as one mono-cycle of the waveform, or a part of one mono-cycle. The waveform generator changes at least one of a frequency, a phase and an ampli... | 04/24/2007 |
| 6950144 | Apparatus and method of controlling image display An apparatus and a method of controlling image display in an image display apparatus having a panel and wherein an image output is synchronized to a frame synchronization signal of an input signal. The method includes determining whether or not an input synchronizat... | 09/27/2005 |
| 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 |
| 6937290 | Method and apparatus using the Bresenham algorithm to synthesize a composite SYNC signal A method and circuit for generating a train of synthesized sync pulses in accordance with the Bresenham algorithm in response to an input clock having frequency Fi, such that the leading edges of the pulses occur at least nearly periodically, with time-av... | 08/30/2005 |
| 6831624 | Time sequentially scanned display A time sequentially scanned display comprises a matrix 20 of picture elements 21. Each of the picture elements comprises a display element 9, for instance of liquid crystal type. An addressable latch 3 has a plurality of storage locations... | 12/14/2004 |
| 6738506 | Image processing system for multi-beam inspection An image processing system for use in semiconductor wafer inspection comprises a multiplicity of self-contained image processors for independently performing image cross-correlation and defect detection. The system may also comprise an image normalization engine for... | 05/18/2004 |
| 6525776 | Information compressing apparatus and method An information processing apparatus includes an address generation circuit for generating an address signal. A memory operates for storing an information signal containing a video signal in response to the address signal. The address signal is periodicall... | 02/25/2003 |
| 6219106 | Video signal capturing apparatus A video signal capturing apparatus has a converter unit that converts an input video signal into digital video data and a digital video data writing control unit that controls writing of the digital video data converted by the converter unit in a memory. ... | 04/17/2001 |
| 6008858 | Video timing generation The invention features the generation of timing signals for use in the generation of a video signal. Vertical timing codes and horizontal timing codes are stored in a memory. The horizontal timing codes define regions of at least two types of horizontal t... | 12/28/1999 |
| 5909468 | Method and apparatus for encoding PCR data on a frequency reference carrier The present invention provides a method and apparatus for providing program clock reference (PCR) data to various devices in a digital transmission system in a robust manner. According to the present invention, PCR data representative of a snapshot of the... | 06/01/1999 |
| 5805231 | Phase synchronizing method and circuit A digital sine wave signal is read form a memory storage of a phase synchronizing apparatus and is converted into an analog signal through a digital to analog converter. This converted analog sine wave is phase compared to an input analog sine wave suppli... | 09/08/1998 |
| 5635988 | Apparatus and method for maintaining synchronism between a picture signal and a matrix scanned array A monolithically integratable display apparatus for receiving a picture signal having frames of video information and horizontal and vertical synchronizing components includes a matrix of display cells arranged in an array of M rows by N columns. Display ... | 06/03/1997 |
| 5502499 | Synchronizing waveform generator A multiplex frame format for transmitting digital data in a data transmission system comprises a PACKETS portion comprising a highly error-protected region and a region having only Reed Solomon encoding as an error protection measure, the PACKETS portion ... | 03/26/1996 |
| 5367338 | Method and apparatus for converting the sampling rates of a digital video signal When processing a digital video signal, the problem often arises of converting the signal from a first sampling raster which is asynchronous with respect to the line interval to a second sampling raster which synchronous with the line interval. Interpolat... | 11/22/1994 |
| 5255092 | Pick-up and/or display device, and an imaging system comprising such a device A pick-up and/or display device comprises a memory in which a video signal is written at a write frequency under the control of a clock and is read therefrom at a read frequency. Image expansion or image compression can thus be realized. The clock, a cloc... | 10/19/1993 |
| 5181116 | Television receiver with control of writing and reading of video memory In a television receiver in which scanning for an incoming video signal is performed at a frequency n times as high as the input horizontal synchronous frequency by suitably controlling writing and reading on its video memory, the signals for writing and ... | 01/19/1993 |
| 5021872 | Phase locked subcarrier regenerator Apparatus for generating a signal having a predetermined frequency relationship with a subcarrier includes a counter for counting cycles of said subcarrier. Count values from the counter are coupled as address values to a memory circuit. The memory circui... | 06/04/1991 |
| 5008749 | Method and apparatus for generating an auxiliary timing signal in the horizontal blanking interval of a video signal An auxiliary signal including a burst of oscillations and a blacker-than-black horizontal synchronizing signal is inserted in the horizontal blanking intervals of an HDTV video signal by first generating a digital auxiliary signal in a PROM operating at a... | 04/16/1991 |
| 4958227 | System for providing control signals for raster scan displays A system for providing control signals for raster scan displays includes a horizontal timing random access memory and a vertical state random access memory arranged in a presettable counter configuration containing multiple levels of information. This app... | 09/18/1990 |
| 4874992 | Closed loop adaptive raster deflection signal generator A raster deflection signal generator that generates deflection signals in accordance with sweep control signals provided by a programmable timing generator. The programmable timing generator stores digital signals representative of the desired sweep contr... | 10/17/1989 |
| 4864400 | Television synchronization system A television synchronization system in which a bipolar signal having a waveform including a front porch (304), a negative polarity pulse, a positive polarity pulse and a back porch is used as a horizontal sync signal, and a composite signal having a wavef... | 09/05/1989 |
| 4742350 | Software managed video synchronization generation A system to display an image including a first memory for storing picture data representing the image attribute data to qualify the picture data. The attribute data includes embedded synchronization data. The system further includes a circuit that produce... | 05/03/1988 |
| 4686568 | Method of increasing the dynamic range and reducing quantization noise of video signals The full range of available steps provided by n-bit samples is utilized to digitalize television line picture signals of a composite video signal. The synchronizing signals in the blanking intervals which separate the picture signals of successive televis... | 08/11/1987 |
| 4616260 | Terminal having user selectable faster scanning Apparatus and method for generating monitor synchronization signals in a terminal capable of operating at either a 31.5 Khz or 15.75 Khz horizontal video scan rate is disclosed. A first set of counters count incremental locations along each horizontal sca... | 10/07/1986 |
| 4535357 | Video signal processing circuit and method for blanking signal insertion with transient distortion suppression A video signal processing circuit and method for the insertion of a blanking data signal including blanking pulse, horizontal sync and color burst signal components into an input video signal to provide a modified video signal. The modified video signal i... | 08/13/1985 |
| 4492985 | Beam scanning means for input/output unit An input and/or output unit which reads or records a picture utilizing a scanning beam in which sampling positions of picture elements in a main scanning direction are uniformly spaced. A first clock signal is produced which is at least three times as hig... | 01/08/1985 |
| 4412250 | Memory-type sync generator with reduced memory requirements A television sync signal generator adapted for ready conversion among various television standards includes a memory in which information related to the amplitude of at least one component of a composite sync signal is stored at address locations each cor... | 10/25/1983 |
| 4399459 | Flexible video synchronization circuit A circuit which accepts a variable horizontal frequency input signal and an independent variable vertical frequency input signal and generates a combined video synchronization signal including horizontal synchronization pulses and serrated vertical synchr... | 08/16/1983 |
| 4386368 | Memory conservation method in a programmable ROM sync generator system A television synchronization generator has a clock generator driving a ROM. The ROM has stored in it the required sync signals. In order to conserve the ROM size, the ROM is addressed by a counter except during portions of the sync signals when the amplit... | 05/31/1983 |
| 4328513 | Synchronizing signal generator device for television A synchronizing signal generator device for television includes an oscillator circuit which generates a color subcarrier signal, a voltage-controlled oscillator circuit which includes a counter and whose oscillation frequency is controlled by the output s... | 05/04/1982 |
| 4316219 | Synchronizing circuit adaptable for various TV standards A sync generator uses ROMs addressed by counters to synthesize various television sync waveforms. The ROMs can be changed or reprogrammed to generate sync signals for different standards. By dividing the sync signals into four intervals which are selected... | 02/16/1982 |
| 4280138 | Frame period timing generator for raster scan A high frequency, high resolution programmable timing signal generator provides periodic timing signals during a time period which is long with respect to the time resolution of the generator. The timing signal generator which is particularly applicable f... | 07/21/1981 |
| 4122488 | Sync signal generator with memorization of phase detection output A television synchronizing signal generator includes a synchronizing signal separator circuit for separating a synchronizing signal from a video signal, an oscillator the oscillatory frequency of which is controllable, a phase discriminator for discrimina... | 10/24/1978 |
| 4012592 | AC line triggered refreshing of CRT displays The disclosure describes a digitally controlled raster scan display system comprising a video signal generator that is automatically synchronized with the frequency of the a.c. power line from which it is powered to prevent line frequency beating. The dis... | 03/15/1977 |
