Patents for H04N 7 - Television systems (274,023) |
---|
10/05/1993 | US5251026 Interfield interpolating apparatus having a vertical/horizontal motion compsensating function |
10/05/1993 | US5251020 Color image communication apparatus capable of transmitting or receiving a color expression form |
10/05/1993 | US5250940 Multi-mode home terminal system that utilizes a single embedded general purpose/DSP processor and a single random access memory |
10/05/1993 | CA2003763C Apparatus and method for providing digital audio in the fm broadcast band |
10/05/1993 | CA1322788C Program mode setting apparatus |
09/30/1993 | WO1993019557A1 Very low bit rate dual-standard picture coding method and codec therefor |
09/30/1993 | WO1993019549A1 Authorization code lockout mechanism for preventing unauthorized reception of transmitted data |
09/30/1993 | WO1993019543A1 Method and apparatus for minimizing error propagation in correlative digital communication system |
09/30/1993 | WO1993019467A1 Detecting scene changes |
09/30/1993 | WO1993019434A1 Image compression coder having improved bit rate control and block allocation |
09/30/1993 | WO1993019433A1 Fingerprint observation and recording system |
09/30/1993 | DE4225741A1 Multipurpose video surveillance system - uses portable TV receiver as video display unit removable from and insertable in video base unit connected to camera |
09/30/1993 | DE4210246A1 Encoder and decoder for image data - has PCM or DPCM processes used to replace data using encoding and decoding and for use with CCD line scanners |
09/29/1993 | EP0562875A1 Multiresolution QAM system |
09/29/1993 | EP0562851A1 Digital signal processing using parallel filters |
09/29/1993 | EP0562787A2 Image coding method and apparatus |
09/29/1993 | EP0562728A2 Computer display of video |
09/29/1993 | EP0562672A2 Process of picture representation by data compression |
09/29/1993 | EP0562657A2 Imaging system with means for compensating vignetting and X-ray examination apparatus comprising such an imaging system |
09/29/1993 | EP0562565A1 Method of superimposing data of character on video data |
09/29/1993 | EP0562422A1 QAM receiver with means for detecting constellation size |
09/29/1993 | EP0562420A2 Method and apparatus for vector coding of video transform coefficients |
09/29/1993 | EP0562419A2 Variable length code word decoder for use in digital communication systems |
09/29/1993 | EP0562410A1 Method and apparatus for synchronizing a real time clock |
09/29/1993 | EP0562379A1 Improved electronic enlarger for the purblind |
09/29/1993 | EP0562327A1 Subliminal image modulation projection and detection system |
09/29/1993 | EP0562295A1 Method and apparatus for controlling several smart cards |
09/29/1993 | EP0562221A1 Video decoder |
09/29/1993 | EP0562186A1 Transmission of requested video programmes over telephone network |
09/29/1993 | EP0562162A1 Method for improved color recovery in a computer graphics system |
09/29/1993 | EP0539565A4 Omniview motionless camera orientation system |
09/29/1993 | EP0537188A4 Non-obtrusive programming monitor |
09/29/1993 | EP0356453B1 Interpolator for expanding video data |
09/29/1993 | CN1076824A Lower resolution hdtv receivers |
09/29/1993 | CN1076821A Telephone network technology without exchanger |
09/29/1993 | CN1076816A System of communication |
09/29/1993 | CN1022282C Adjustable antialias filters |
09/28/1993 | US5249229 Device and method for generating control signals |
09/28/1993 | US5249228 Cable television signal scrambling system |
09/28/1993 | US5249066 Method and system for writing and reading coded data |
09/28/1993 | US5249065 Still picture recording apparatus |
09/28/1993 | US5249056 Apparatus for generating video signals from film |
09/28/1993 | US5249053 Filmless digital camera with selective image compression |
09/28/1993 | US5249050 Closed captioned data line detection system |
09/28/1993 | US5249049 Managing letterbox displays |
09/28/1993 | US5249048 Interframe/interfield predictive encoding system |
09/28/1993 | US5249047 Predictive coding system |
09/28/1993 | US5249044 Product information storage, display, and coupon dispensing system |
09/28/1993 | US5249043 Device for dispatching video and/or audio signals between several receivers |
09/28/1993 | US5249035 Method of measuring three dimensional shape |
09/28/1993 | CA2092785A1 Video decoder |
09/28/1993 | CA1322592C Control of rf pulses in a tv answer back system |
09/28/1993 | CA1322590C Multimedia bidirectional broadcast system |
09/26/1993 | CA2088875A1 Portable magnifying reading apparatus with high convenience |
09/23/1993 | DE4234156A1 Vcr-vorrichtung, die eine steuerfunktion fuer eine kabelanschlussbox aufweist, und entsprechendes steuerverfahren VCR apparatus having a control function for a terminal box, and corresponding control method, |
09/23/1993 | DE4209263A1 Process for reducing data content of digital video signals - has edge detector comparing input with threshold to control transmission via multiplexer coupled to input buffer |
09/23/1993 | CA2091920A1 Apparatus and method for picture representation by data compression |
09/22/1993 | EP0561593A2 Image compression apparatus |
09/22/1993 | EP0561570A2 Television standard discriminating apparatus |
09/22/1993 | EP0561561A2 Digital video signal processing |
09/22/1993 | EP0561448A1 Coding and decoding a system and apparatus for a digital signal |
09/22/1993 | EP0561399A1 Device for detecting a movement of an image from an EDTV signal with a raised precision |
09/22/1993 | EP0561392A2 Motion detection apparatus for moving pictures and encoding and decoding apparatus for picture signals |
09/22/1993 | EP0561228A2 Method and apparatus for colour image endoscopy with colour transformation |
09/22/1993 | EP0561189A2 Receiving device for television signals being recorded and/or played back as television pictures |
09/22/1993 | EP0561127A2 Electronic meeting support system |
09/22/1993 | EP0561084A1 Method and apparatus for compatible encoding of high definition picture signals |
09/22/1993 | EP0561067A2 Sample rate converter |
09/22/1993 | EP0561066A1 Pay-TV method and system |
09/22/1993 | EP0561028A1 Procedure for the display of text pages on a television screen |
09/22/1993 | CN1076579A Automatic switching device of television broadcasting mode |
09/22/1993 | CN1076578A Method for reducing hrc mode reception time in cable television |
09/22/1993 | CN1076577A Improvements in television system |
09/22/1993 | CN1022201C Apparatus for examining mouths of bottle and the like |
09/21/1993 | US5247590 Signal encoding and decoding system |
09/21/1993 | US5247586 Correlator device |
09/21/1993 | US5247369 Image transmission system |
09/21/1993 | US5247364 Method and apparatus for tuning data channels in a subscription television system having in-band data transmissions |
09/21/1993 | US5247363 Error concealment apparatus for hdtv receivers |
09/21/1993 | US5247362 Adaptive noise reduction apparatus using motion detection signal |
09/21/1993 | US5247357 Image compression method and apparatus employing distortion adaptive tree search vector quantization with avoidance of transmission of redundant image data |
09/21/1993 | US5247355 Gridlocked method and system for video motion compensation |
09/21/1993 | US5247353 Motion detection system for high definition television receiver |
09/21/1993 | US5247351 High definition television system compatible with NTSC system |
09/21/1993 | US5247348 Method for selecting reproduction quality of transmitted vector quantized data |
09/21/1993 | US5247347 Pstn architecture for video-on-demand services |
09/21/1993 | US5247169 Method of and an apparatus for picking up an image of the surface of an object to be inspected |
09/16/1993 | WO1993018619A1 Hinged mechanism for videophone |
09/16/1993 | WO1993018618A1 Time-varying image encoder |
09/16/1993 | WO1993018617A1 Video companding method and system |
09/16/1993 | WO1993018616A1 Picture data encoding method |
09/16/1993 | WO1993018614A1 Auxiliary video data decoder with large phase tolerance |
09/16/1993 | WO1993018613A1 Auxiliary video data slicer |
09/16/1993 | WO1993018611A1 Image-adaptive process for regulating the length of a quantification interval during image data reduction |
09/16/1993 | WO1993018607A1 Improvements relating to video telephony |
09/16/1993 | WO1993018594A1 A monitoring phone system |
09/16/1993 | WO1993018579A1 Video signal data and composite synchronization extraction circuit for on-screen display |
09/16/1993 | WO1993018481A1 A method of carrying out picture processing operations upon a two dimensional picture and a device for carrying out said method |
09/16/1993 | WO1993018383A1 Variable bit rate speech encoder |
09/16/1993 | DE4207874A1 Visual control unit for post production manual treatment of PCB's - provides continuous monitoring of progress of tool over PCB in both fine and coarse viewing ranges. |