Patents for H04N 7 - Television systems (274,023) |
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05/19/1987 | US4667230 Endoscope having a control section with level adjusting device |
05/19/1987 | US4667226 High definition television camera system and method with optical switching |
05/19/1987 | CA1222049A1 Motion detecting circuit utilizing inter-frame difference signals of successive fields |
05/13/1987 | EP0221792A1 Method and apparatus for digital data transmission with intersymbol distortion reduction |
05/13/1987 | EP0221743A2 Method and system for compressing video signals |
05/13/1987 | EP0221739A2 Video scrambling systems |
05/13/1987 | EP0221631A2 Methods and apparatus for monitoring events |
05/13/1987 | EP0221490A2 Space switching device for broad-band signals |
05/13/1987 | EP0221086A1 Compatibility of widescreen and non-widescreen television transmissions. |
05/12/1987 | US4665436 Narrow bandwidth signal transmission |
05/12/1987 | US4665431 Apparatus and method for receiving audio signals transmitted as part of a television video signal |
05/12/1987 | US4665427 Method and apparatus for converting C-MAC television signals for transmission over a limited bandwidth medium |
05/12/1987 | US4665317 Process and equipment for sensing surface defects on a moving strip |
05/07/1987 | WO1987002854A1 Method for hybrid coding by transformation for the transmission of image signals |
05/06/1987 | EP0220946A2 Digital threshold detector with hysteresis |
05/06/1987 | EP0220763A1 Teletext signal processing circuit for a teletext receiver |
05/06/1987 | EP0220706A2 Method for image data coding |
05/06/1987 | EP0220323A1 Image processor |
05/06/1987 | CN86107249A Wide band signal space coupling arrangements |
05/06/1987 | CN86107155A Wide band signal space coupling arrangements |
05/05/1987 | US4663665 TV system conversion apparatus |
05/05/1987 | US4663664 Electronic ticket method and apparatus for television signal scrambling and descrambling |
05/05/1987 | US4663660 Compressed quantized image-data transmission technique suitable for use in teleconferencing |
05/05/1987 | US4663659 Video signal scrambling system employing full line reversal and double burst coding |
05/05/1987 | US4663658 Process and device for assisting the positioning of workpieces by superposition of images |
05/05/1987 | US4663653 Vertical detail enhancer |
04/29/1987 | EP0220110A2 Bit plane area correlator |
04/29/1987 | EP0219909A2 Teletext decoders |
04/28/1987 | US4661986 Depth-of-focus imaging process method |
04/28/1987 | US4661862 Differential PCM video transmission system employing horizontally offset five pixel groups and delta signals having plural non-linear encoding functions |
04/28/1987 | US4661853 Interfield image motion detector for video signals |
04/28/1987 | US4661851 Apparatus for reducing the effect of noise interference in audio companding system |
04/28/1987 | US4661850 Progressive scan television system with interlaced inter-field sum and difference components |
04/28/1987 | US4661849 Method and apparatus for providing motion estimation signals for communicating image sequences |
04/28/1987 | EP0207085A4 Signal to noise ratio enhancement using baseband signals in an fm television system. |
04/28/1987 | EP0205554A4 Interlaced digital video input filter/decimator and/or expander/interpolator filter. |
04/23/1987 | DE3537118A1 Method for the redundancy-reducing encoding of images |
04/22/1987 | EP0219169A1 Signal processing arrangement |
04/22/1987 | EP0219016A2 Digital transmission system with signal rate conversion |
04/22/1987 | EP0218963A2 Conference table |
04/22/1987 | EP0218923A2 Compensation of scatter in X-ray imaging |
04/22/1987 | EP0218918A1 Multidimensional DPCM coder with a high processing speed |
04/22/1987 | EP0218917A1 Multidimensional DPCM coder with a high-processing speed |
04/22/1987 | EP0218748A1 Image storage device |
04/22/1987 | EP0218703A1 Video transmission system |
04/22/1987 | EP0125268B1 Signal encoding-decoding apparatus |
04/22/1987 | CN86106977A An x-ray examination apparatus with a locally divided auxiliary detector |
04/22/1987 | CN86104523A Dynamic picture coder with self know drawing of insert symbol |
04/21/1987 | US4660202 Error protection method for packeted data |
04/21/1987 | US4660103 Recording and reproducing digital audio signals formed into groups of varying lengths |
04/21/1987 | US4660081 Video signal processing apparatus having interpolators switchable between an input and an output of a field memory |
04/21/1987 | US4660079 Receiving device in an asynchronous video information transmitting system |
04/21/1987 | US4660078 Coder-decoder for transmission and/or reception of television pictures via digital low-speed channel |
04/21/1987 | US4660072 Television signal transmission system |
04/21/1987 | US4660037 Current location indication apparatus for use in an automotive vehicle |
04/21/1987 | US4659876 Audiographics communication system |
04/21/1987 | US4659875 Electronic system for the secret transmission of audio signals |
04/21/1987 | CA1220852A1 Television circuit arrangement for determining in a video signal frame periods comprising two field periods |
04/21/1987 | CA1220850A1 Television circuit for the reduction of flicker on a display |
04/21/1987 | CA1220849A1 Address-programmable catv converter |
04/21/1987 | CA1220848A1 Wideband cable network |
04/21/1987 | CA1220847A1 Digital code reading apparatus and method |
04/16/1987 | DE3533943A1 Arrangement for receiving the television channels and special television channels available on a cable connection |
04/15/1987 | EP0217952A1 Fm receiver |
04/15/1987 | EP0217906A1 Text receiver |
04/15/1987 | EP0217871A1 Dual mode video tracker. |
04/15/1987 | CN85107502A Information display scheme for subscribers of a aubscription television system |
04/14/1987 | US4658431 Star sensor using CCD |
04/14/1987 | US4658412 X-ray diagnostic apparatus |
04/14/1987 | US4658296 Dynamic noise reduction for video |
04/14/1987 | US4658294 Direct memory access control device for use in teletext signal receiving apparatus |
04/14/1987 | US4658292 Enciphering key distribution system for subscription TV broadcast or catv system |
04/14/1987 | US4658290 Television and market research data collection system and method |
04/14/1987 | US4658284 Image forming apparatus |
04/09/1987 | WO1987002210A1 Process for correcting transmission errors |
04/09/1987 | DE3535178A1 Correction method |
04/08/1987 | EP0217628A2 Interpolation filter with motion compensation |
04/08/1987 | EP0217564A1 A video signal transmitter and processor |
04/08/1987 | EP0217468A1 Broadband optical distribution system |
04/08/1987 | EP0217456A1 An X-ray examination apparatus with a locally divided auxiliary detector |
04/08/1987 | EP0217443A1 Picture signal processing circuit |
04/08/1987 | EP0216995A1 Diagnostic X-ray arrangement |
04/07/1987 | US4656650 X-ray diagnostic apparatus for eliminating scattered X-ray components |
04/07/1987 | US4656629 Digital signal transmitting and/or receiving system |
04/07/1987 | US4656514 Error concealment in digital television signals |
04/07/1987 | US4656513 Data slicer circuit for separating and recovering digital teletext signals |
04/07/1987 | US4656512 Multiple audio transmission system using a single video color carrier |
04/07/1987 | US4656511 Video signal compressing and coding apparatus |
04/07/1987 | US4656507 Quad-edge video signal detector |
04/02/1987 | DE3534034A1 Method and arrangement for transmitting individual images via a long-distance line |
04/02/1987 | DE3534027A1 Method and arrangement for transmitting individual images via a digital network |
04/02/1987 | DE3530822A1 Cable television system |
04/01/1987 | EP0215946A1 Television signal scrambling and data transmission system. |
04/01/1987 | EP0215784A1 Television renting system |
04/01/1987 | EP0128921B1 Apparatus for deriving information signals for component television video signal reception |
04/01/1987 | CN86106008A Video display system for displaying wide and standard aspect ration video signals |
04/01/1987 | CN86105423A Compatible wide screen television system |
04/01/1987 | CN86104896A Switch dividing device for common reception |
03/31/1987 | US4654891 Optical communication of video information with distortion correction |
03/31/1987 | US4654877 Data compression system |