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| Number | Title | Issue Date |
| 7349027 | Scan converter The scan converter comprises first and second memories 3, 7, a frame memory 5; having a write period and a read period, a video data input circuit 2 for writing data at a first transfer rate into the memory 3, a video data output circuit ... | 03/25/2008 |
| 7236214 | Liquid crystal television receiver and liquid crystal display apparatus In a configuration including a liquid crystal panel, a gate driver for driving a gate line of the liquid crystal panel, a data driver for driving a data line of the liquid crystal panel, a cold cathode tube used as a light source of a back light part for illuminatin... | 06/26/2007 |
| 7154540 | System for enhancing video Pan, tilt and zoom sensors are coupled to a broadcast camera in order to determine the field of view of the broadcast camera and to make a rough estimate of a target's location in the broadcast camera's field of view. Pattern recognition techniques can be used to de... | 12/26/2006 |
| 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 |
| 6597336 | Display apparatus and method Writing of a second field is started at a time point when writing of a first field has been completed, while information written in the first field is held. Writing of a first field of the next frame is started at a time point when the writing of the seco... | 07/22/2003 |
| 6466271 | Method of smoothly displaying field videos in an interlaced display A method of smoothly displaying field videos in an interlaced display according to the invention. In a currently-exiting interlaced display system, the sequence of a scan timing with a top scan timing, a bottom scan timing, a top scan timing, a bottom sca... | 10/15/2002 |
| 6097446 | Digital television signal flow regulation The present invention relates to a method for regulating, in the read mode, memory areas of a circuit for decompressing a video data flow compressed according to an MPEG standard, with respect to the writing rate of the compressed data flow into the memor... | 08/01/2000 |
| 6046711 | Image display device An image display device for arbitrarily switching a display area includes a drive signal supply device for supplying drive signals for pixels arranged in a matrix-like fashion, in response to the generation of predetermined signals, in signal lines of row... | 04/04/2000 |
| 6011591 | Method of displaying a VGA image on a television set The field-display means of a conventional television set are used, to which the odd lines of a VGA image are transmitted during one field and the even lines during the next field, thereby providing for the use of a television set as a computer monitor.... | 01/04/2000 |
| 5986623 | System and method for interlaced display device data transmission A system and method for optically, serially transmitting data to a remote device using an interlaced display device. The data bits to be transmitted are ordered so that the bits are received in proper temporal order by the remote device. At least one of t... | 11/16/1999 |
| 5986630 | Display apparatus and method Writing of a second field is started at a time point when writing of a first field has been completed, while information written in the first field is held. Writing of a first field of the next frame is started at a time point when the writing of the seco... | 11/16/1999 |
| 5627597 | Device and method for interlacing a video signal having an integral number of scan lines in each field A television receiver is provided which includes a vertical deflection circuit which causes interlacing of an interlaced video signal having two fields each with an integral number of scan lines. The vertical deflection circuit including a jog circuit cou... | 05/06/1997 |
| 5627598 | Display apparatus including aspect ratio converter and child picture processing with four field sequence memory A display apparatus wherein a video signal of a child picture read out at a double speed is inserted accurately with a high resolution into a parent picture of another video signal having a double frequency. Control signals for designating a write area an... | 05/06/1997 |
| 5486868 | Generator for scan timing of multiple industrial standards The invention inputs a single timing clock. Through procedure of mode setting, the invention generates the required timings corresponding to the display mode selected. In the invention, a programmable mode register, a mode decoder, a pixel timing generato... | 01/23/1996 |
| 5386217 | Method for controlling a liquid crystal display module to show interlaced picture data thereon A method for controlling a liquid crystal display (LCD) module to show interlaced picture data thereon includes the step of providing a data field of the interlaced picture data, which data field includes a series of line picture data, to the LCD module. ... | 01/31/1995 |
| 5257348 | Apparatus for storing data both video and graphics signals in a single frame buffer A computer subsystem for presenting both video and graphic information on a computer output display in a computer system having a central processing unit and a frame buffer including apparatus for providing a video input signal representing full frame of ... | 10/26/1993 |
| 5247359 | Field decision circuit for providing error free odd/even field information Field information for a predetermined number of fields produced by another field judgment circuit is stored in a first memory. The output of the field decision circuit which is indicative of the field information for the predetermined number of fields is ... | 09/21/1993 |
| 5057928 | Drive apparatus for liquid crystal display device utilizing a field discriminating apparatus The invention relates to a drive apparatus for a liquid crystal display device. The voltage, to be applied to longitudinally and latitudinally arranged liquid crystal cells of the liquid crystal display device, is altered in polarity from field to field a... | 10/15/1991 |
| 4985770 | Field discriminating circuitry useful in LCD displays The invention relates to a drive apparatus for a liquid crystal display device. The voltage, to be applied to longitudinally and latitudinally arranged liquid crystal cells of the liquid crystal display device, is altered in polarity from field to field a... | 01/15/1991 |
| 4956639 | Display data processing device A display data processing device for processing bar code data displayed on a display screen such as a television monitor by an interlaced scanning process includes a photosensor for reading bar code data displayed on the screen, a counter circuit for coun... | 09/11/1990 |
| 4922344 | Circuit arrangement for evaluating a video synchronizing signal A circuit arrangement for evaluating a video synchronizing signal formed by line synchronizing pulses whose regular sequence between two fields is interrupted by a field synchronizing pulse and the time interval between the edges of a field synchronizing ... | 05/01/1990 |
| 4851908 | Field number doubling circuit for a television signal A field number doubling circuit has a measuring circuit (25) for determining the starting instant of a second read operation of a memory circuit (3) with respect to that of a first read operation in such a way that a display of a field number doubled tele... | 07/25/1989 |
| 4795947 | Device for eliminating the interline flicker A device enables to reproduce without flicker mixed signals from VT and/or BTX decoders during the reproduction of television signals (mixed operation). This is obtained by a video frequency scanning field compensation in the vertical direction effected b... | 01/03/1989 |
| 4788540 | Raster scan image data display controller including means for reducing flickering A raster scan image data display controller including a means for reducing flickering comprises an image memory for storing image data items at horizontal and vertical display addresses corresponding to horizontal and vertical coordinates on an image disp... | 11/29/1988 |
| 4782269 | Sawtooth generator with s-correction In a vertical sawtooth generator, first and second capacitors are coupled in series to a first terminal of a switch. When the switch is conductive, the two capacitors are discharged by the switch to form a sawtooth signal at the first terminal having a do... | 11/01/1988 |
| 4709267 | Synchronizing circuit with improved interlace arrangement A synchronizing circuit for a video display apparatus provides inputs for a composite sync signal or separate horizontal and vertical sync signals. The composite sync signal and the separate horizontal sync signal are applied to a sync separator that prov... | 11/24/1987 |
| 4701793 | Television display system with flicker reduction processor The field rate of a video input signal is doubled by storing each field in a memory and recovering each stored fields twice so as to repeat each field and thus reduce flicker. To ensure that even fields overlay even fields, odd fields overly odd fields an... | 10/20/1987 |
| 4685002 | Slow motion television system having variable interlace A slow motion system includes a variable interlace constant line-rate video camera, a variable speed recorder and a line-rate converter connected in cascade. During slow motion shooting the camera interlace ratio is increased, the recorder playback speed ... | 08/04/1987 |
| 4680631 | Television composite video signal processing circuit A television composite video signal processing circuit has a readout circuit for repeatedly reading out a one-field composite video signal from a disk memory. A delay circuit delays the composite video signal from the readout circuit by 1/2 of a horizonta... | 07/14/1987 |
| 4661798 | Video field decoder A video field decoder is provided in a raster scan interlaced video display system, which decoder provides an indication of whether the odd or even field is currently being displayed. The decoder circuit compares the horizontal and vertical sync signals a... | 04/28/1987 |
| 4630098 | Progressive scan display system with correction for non-standard signals A double scanning receiver includes a video speed-up memory with read and write clocks locked to multiples of burst. Visible artifacts tend to be produced when displaying non-standard video signals (e.g., from a VCR, game, computer, etc.) due to skew of t... | 12/16/1986 |
| 4626910 | Circuit for preventing flicker attributable to field signal-frame signal conversion In a field signal-frame signal conversion system including means for applying a delayed field signal delayed by 1/2 of one horizontal scanning period and a thru field signal, which is the same as the above field signal but not delayed, and switching means... | 12/02/1986 |
| 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 |
| 4609942 | Method for conversion from field signal to frame signal Disclosed is a method for conversion from a field signal to a frame signal in which a field signal delayed by a 1/2 horizontal scanning period and the field signal not subjected to the delay are alternately selected at a time interval of one vertical scan... | 09/02/1986 |
| 4608602 | Circuit for generating a control signal for the field deflection in a picture display device A circuit for generating a control signal for the field deflection in a picture display device which is suitable for displaying an interlaced picture. The circuit comprises a field identification circuit, with the aid of which a distinction can be made be... | 08/26/1986 |
| 4498106 | Pulse generator for solid-state television camera A pulse generator circuit for a solid-state television camera comprising a first circuit arrangement including a shift register of endless type for obtaining pulses of a horizontal scanning frequency for television, a second circuit arrangement for obtain... | 02/05/1985 |
| 4490741 | Synchronization signal stabilization for video image overlay A system for stabilizing the synchronization (sync) signal provided to a second video display generating a second video signal for the precise overlay thereon of a first video signal from a first video display having a relatively unstable sync signal is d... | 12/25/1984 |
| 4484224 | Pulse generating circuit for a television camera using solid state image sensor Disclosed is a solid state television camera with solid state image sensor for converting an optical image into electrical signals, which is comprised of a pulse generator for generating a train of pulses with a frequency equal to the horizontal scanning ... | 11/20/1984 |
| 4482919 | Apparatus for obscuring blank spaces between raster lines and hard copies made from screen CRT A high ratio multilaced raster scan system for obscuring the blank spaces between the raster lines on a CRT when making a photograph or hard copy from the screen of the CRT utilizes a selectively varied DC bias voltage to vertically offset in a select seq... | 11/13/1984 |
| 4450442 | Display processor for superimposed-picture display system A display processor for a raster-display type system comprising a display memory with the capacity of storing at least one page of video information to be displayed over the screen of a cathode-ray tube and a cathode-ray tube (CRT) control circuit which d... | 05/22/1984 |
