| Patents for H04N 7 - Television systems (274,023) |
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| 03/22/1988 | US4733299 Method and apparatus for generating progressively scanned television information |
| 03/22/1988 | US4733298 Method of coding a video signal whereby pictures can be reproduced with a high quality and a device therefor |
| 03/22/1988 | US4733297 Video signal processing circuit of motion adaptive type |
| 03/16/1988 | EP0260139A1 Image processing |
| 03/16/1988 | EP0260049A2 Method and apparatus for stroboscopic video inspection of an asynchronous event |
| 03/16/1988 | EP0259962A2 Method and apparatus for extracting binary signals included in vertical blanking intervals of video signals |
| 03/16/1988 | EP0259902A1 Coding device with differential pulse code modulation, associated decoding device and transmission system comprising at least such a coding or decoding device |
| 03/16/1988 | EP0259562A1 Method for interframe prediction coding with movement compensation |
| 03/16/1988 | EP0259447A1 Telecommunication network and methods relating thereto. |
| 03/15/1988 | US4731877 Tunable lowpass-highpass switching filter |
| 03/15/1988 | US4731839 Method for coding and de-coding audio and video information |
| 03/15/1988 | US4731838 AGC circuit used in a CATV receiver |
| 03/15/1988 | US4731837 Method and device for secure transmission and of television pictures |
| 03/15/1988 | US4731664 Method and arrangement for refreshing a frame memory in an interframe encoding system |
| 03/15/1988 | US4731651 Apparatus for compensating a movement of a picture of television signal |
| 03/15/1988 | US4731648 Interstitial signal generating system |
| 03/15/1988 | US4731646 Moving-image coder with self-identification of the stuffing characters |
| 03/15/1988 | CA1234233A1 Apparatus and method for testing and verifying the timing logic of a cathode ray tube display |
| 03/15/1988 | CA1234231A1 Image information retrieval/display apparatus |
| 03/15/1988 | CA1234222A1 Method and apparatus for error correction |
| 03/15/1988 | CA1234213A1 Interframe encoding system having a buffer simulator |
| 03/09/1988 | EP0259004A1 Television transmission apparatus |
| 03/09/1988 | EP0258367A1 Apparatus for encoding a television signal to be transmitted. |
| 03/09/1988 | EP0258341A1 Method for digital data transmission. |
| 03/09/1988 | CN87104106A Interactive television and data transmission system |
| 03/08/1988 | US4730351 X-ray diagnostics installation |
| 03/08/1988 | US4730260 Method for eyewear simulation and a device for its practice |
| 03/08/1988 | US4730217 Movement detector for use in television signal processing |
| 03/08/1988 | US4730216 Video display apparatus |
| 03/08/1988 | US4730215 Compatible wide screen television system with variable image compression/expansion |
| 03/08/1988 | US4730148 Vertical deflection circuit |
| 03/08/1988 | CA1233901A1 Arrangement for two-dimensional dpcm-coding |
| 03/03/1988 | DE3642064C1 Method for converting the frame rate of television signals and filter for carrying out the method |
| 03/02/1988 | EP0257739A2 Television receiver for a transmission system to provide audio/data signals to accompany transmitted video signals |
| 03/02/1988 | EP0257534A2 Device for recording and fast access to video signal parts on a magnetic tape |
| 03/02/1988 | EP0257429A1 Operation site adapted for lithotripsy |
| 03/01/1988 | US4729021 High efficiency technique for coding a digital video signal |
| 03/01/1988 | US4729020 System for formatting digital signals to be transmitted |
| 03/01/1988 | US4729012 Dual mode television receiver for displaying wide screen and standard aspect ratio video signals |
| 03/01/1988 | CA1233567A1 Analog-to-digital conversion apparatus |
| 03/01/1988 | CA1233554A1 Interlace to non-interlace scan converter for rgb format video input signals |
| 03/01/1988 | CA1233553A1 Reduced bandwidth video transmission |
| 03/01/1988 | CA1233551A1 Switch assembly and circuit |
| 02/25/1988 | WO1988001465A1 Remote programming of catv channel authorization unit |
| 02/25/1988 | WO1988001464A1 Television reception and transmission for enhanced image display |
| 02/25/1988 | WO1988001463A1 Method and apparatus for communication of video, audio, teletext, and data to groups of decoders in a communication system |
| 02/25/1988 | WO1988001462A1 Video transmission systems |
| 02/24/1988 | EP0256596A2 Decoding transmitted scrambled signals |
| 02/24/1988 | EP0256295A2 Teletext decoder with a television programme specific teletext storage |
| 02/24/1988 | EP0256264A2 Method for receiving television signals with a high number of lines |
| 02/24/1988 | EP0256152A1 Method for generating a switching-signal in a broadcast or video receiver |
| 02/24/1988 | EP0256084A1 Method and apparatus for selectively blocking program channels |
| 02/24/1988 | EP0160687B1 Unit for monitoring a welding process |
| 02/23/1988 | US4727579 Scrambled television signals |
| 02/23/1988 | US4727562 Measurement of scatter in x-ray imaging |
| 02/23/1988 | US4727422 Method and apparatus for efficiently communicating image sequence having improved motion compensation |
| 02/23/1988 | US4727421 Method of coding picture signal and picture coding/decoding apparatus utilizing the same |
| 02/23/1988 | US4727418 Image processing apparatus |
| 02/23/1988 | CA1233241A1 Vertical detail enhancer for a video display system |
| 02/23/1988 | CA1233239A1 Method for clock rate conversion |
| 02/23/1988 | CA1233238A1 Apparatus for encoding image signal |
| 02/23/1988 | CA1233237A1 Video signal format |
| 02/23/1988 | CA1233235A1 Interpolated progressive-scan television arrangement |
| 02/23/1988 | CA1233232A1 Television signal transmission system |
| 02/17/1988 | EP0255931A2 Method for transmitting a video signal |
| 02/16/1988 | US4726072 Double converter tuner |
| 02/16/1988 | US4725887 Method of and apparatus for processing video signals |
| 02/16/1988 | US4725886 Communications system having an addressable receiver |
| 02/16/1988 | US4725885 Adaptive graylevel image compression system |
| 02/16/1988 | US4725882 Scrambled video signal processor |
| 02/16/1988 | CA1232963A1 Television signal transmission |
| 02/16/1988 | CA1232962A1 Scrambled television signals |
| 02/11/1988 | WO1988001117A1 Apparatus for collecting tv channel data and market research data |
| 02/09/1988 | US4724491 Inserting television advertising spots automatically |
| 02/09/1988 | US4724486 Apparatus for deriving information signals for component television video signal reception |
| 02/09/1988 | CA1232674A1 Apparatus for band compression processing of a picture signal |
| 02/04/1988 | DE3625646A1 User terminal for video telephony |
| 02/03/1988 | EP0255407A2 Method and apparatus for removing pseudo-sync and/or automatic gain control pulses from a video signal |
| 02/03/1988 | EP0255289A2 Encoding system for data transmission |
| 02/03/1988 | EP0255152A1 Method of and apparatus for recording and/or reproducing video information on/from a record carrier, and record carrier obtained by means of the method |
| 02/03/1988 | EP0255108A2 Program preset control circuit |
| 02/03/1988 | EP0255107A2 Program mode setting apparatus |
| 02/03/1988 | EP0254927A2 Device for recording TV satellite transmissions |
| 02/03/1988 | EP0254743A1 Pay-per-view catv system. |
| 02/03/1988 | EP0140957A4 Audio digital recording and playback system. |
| 02/02/1988 | US4724478 Cable television communication system with passive sensor signal path and a subscriber power supply source |
| 02/02/1988 | US4723320 Dual communication link for satellite TV receiver |
| 02/02/1988 | US4723283 Data transmission system |
| 02/02/1988 | US4723282 Method and apparatus of decoding and deciphering a rotated video signal |
| 02/02/1988 | US4723237 Signal transmission arrangment, a transmitter and a receiver for such an arrangement and a communication system including such an arrangement |
| 02/02/1988 | US4723163 Adaptive line interpolation for progressive scan displays |
| 02/02/1988 | US4723161 Method and arrangement of coding digital image signals utilizing interframe correlation |
| 01/28/1988 | WO1988000784A1 Motion detector apparatus for responding to edge information contained in a television signal |
| 01/28/1988 | WO1988000783A1 Improvements relating to television |
| 01/27/1988 | CN87206319U Vf closed tv system |
| 01/26/1988 | US4722066 Digital signal overflow correction apparatus |
| 01/26/1988 | US4722003 High efficiency coding apparatus |
| 01/26/1988 | US4722002 Method and apparatus for encoding/decoding image signal |
| 01/26/1988 | US4722001 Self-propelled inspection vehicle |
| 01/26/1988 | CA1232058A1 System for coding video signal in block units |