| Patents for H04N 7 - Television systems (274,023) |
|---|
| 07/26/1990 | WO1990008432A1 Method for transmission and reception of reflex-modulated signals |
| 07/26/1990 | DE4002195A1 Imaging arrangement with imaging tube and tri-pole electron gun - wire gauze electrode, accelerating- and control electrode, cathode, focussing- and adjusting coil, etc. |
| 07/25/1990 | EP0379354A2 Picture communication apparatus |
| 07/25/1990 | EP0379252A1 Receiver for television and teletext signals, including a teletext decoder and an adaptive waiting timereduction circuit |
| 07/25/1990 | EP0379217A2 Inter-frame predictive encoding system |
| 07/25/1990 | EP0379194A1 Decoder for subsampled video signal |
| 07/25/1990 | EP0379038A2 Image signal decoding apparatus |
| 07/25/1990 | CN1044197A Processing television signals |
| 07/24/1990 | US4944032 Multiplex signal processing apparatus |
| 07/24/1990 | US4944006 Secure data packet transmission system and method |
| 07/24/1990 | US4943994 Still picture picturephone communications system |
| 07/24/1990 | US4943963 Data collection and transmission system with real time clock |
| 07/24/1990 | US4943864 Closed circuit television apparatus for supervisory system |
| 07/24/1990 | US4943858 TV signal recording and reproducing apparatus employing a digital interface and including signal drop-out compensation |
| 07/24/1990 | US4943856 Method and apparatus for introducing a pan and scan feature to high definition television systems |
| 07/24/1990 | US4943855 Progressive sub-band image coding system |
| 07/24/1990 | US4943854 Video surveillance system for selectively selecting processing and displaying the outputs of a plurality of TV cameras |
| 07/24/1990 | US4943849 Television transmission system having improved separation of audio and video spectra |
| 07/24/1990 | US4943848 Television signal transmission system |
| 07/24/1990 | CA1271993A1 Cable television impulse pay per view system |
| 07/18/1990 | EP0377725A1 A method and apparatus for manipulating video image signals. |
| 07/18/1990 | EP0377669A1 Extended definition widescreen television signal processing system with alternate subcarrier |
| 07/18/1990 | EP0377668A1 Compatible television system with companding of auxiliary signal encoding information. |
| 07/18/1990 | CN1044022A Method and apparatus for improving vertical definition of television signal by scan conversion |
| 07/18/1990 | CN1008874B Method and device for estimating motion in sequence of pictures |
| 07/18/1990 | CA2008000A1 Decoder for subsampled video signal |
| 07/17/1990 | US4942476 Recording system for recording on a ROM image signal information which has been subjected to efficient redundancy coding |
| 07/17/1990 | US4942468 Image input device |
| 07/17/1990 | US4942467 For a television system |
| 07/17/1990 | US4942466 Bandwidth compression for television signals |
| 07/17/1990 | US4942465 Method of coding a digital video signal for reverse reproduction of pictures |
| 07/17/1990 | US4942463 Image processing system for detecting edges in an image of an article |
| 07/17/1990 | US4942368 Signal feedback amplifier for a cable-TV converter |
| 07/17/1990 | US4941456 Portable color imager borescope |
| 07/17/1990 | CA1271835A1 Multiple television standards input selector and convertor |
| 07/17/1990 | CA1271834A1 Surveillance device, in particular through use of a video camera |
| 07/12/1990 | WO1990007847A1 Automatic interactive television terminal configuration |
| 07/12/1990 | WO1990007846A1 Process for scrambling pal secam and ntsc composite video signals and decoder of resulting scrambled signals |
| 07/12/1990 | WO1990007845A1 Scrambling and unscrambling of composite video signals |
| 07/12/1990 | WO1990007843A1 Audio/video recorder/transceiver |
| 07/12/1990 | WO1990004895A3 Information coding process |
| 07/12/1990 | DE3900667A1 Periscope for a motor vehicle |
| 07/11/1990 | EP0377480A2 Procedure for setting up and keeping up-to-date data files for road traffic |
| 07/11/1990 | EP0377241A1 Pseudo-random sequence generator |
| 07/11/1990 | EP0376978A1 Method and apparatus for increasing the vertical definition of a transmitted television signal. |
| 07/11/1990 | EP0153397B1 A method and device for decoding two-dimensional facsimile signals |
| 07/11/1990 | CN1043842A 高清晰度电视系统 High-definition television system |
| 07/11/1990 | CN1008785B Method of and apparatus for recording and/or reproducing picture signal and associated audio signal in/from record carrier |
| 07/10/1990 | US4941194 Method of compressing radiation image signal |
| 07/10/1990 | US4941173 Device and method to render secure the transfer of data between a videotex terminal and a server |
| 07/10/1990 | US4941127 Method for operating semiconductor memory system in the storage and readout of video signal data |
| 07/10/1990 | US4941053 Predictive encoder for still pictures |
| 07/10/1990 | US4941050 An afc arrangement for tuning a television receiving apparatus to a select transmission having an actual carrier frequency which differs from a nominal carrrier frequency |
| 07/10/1990 | US4941049 Television system using reversing scan which minimizes ghost visibility |
| 07/10/1990 | US4941048 Decoder-operated television signal switch |
| 07/10/1990 | US4941045 Method and apparatus for improving vertical definition of a television signal by scan conversion |
| 07/10/1990 | US4941044 Processing sub-sampled signals |
| 07/10/1990 | US4941043 Method for reducing blocking artifacts in video scene coding with discrete cosine transformation (DCT) at a low data rate |
| 07/10/1990 | US4941042 Television transmission system including a hybrid encoding circuit |
| 07/10/1990 | US4941040 Cable television system selectively distributing pre-recorded video and audio messages |
| 07/05/1990 | DE3249975C2 Digital transmission of video-telephone and video signals |
| 07/04/1990 | EP0376683A2 Discrete cosine transforming apparatus |
| 07/04/1990 | EP0376393A1 Motion-dependent encoding of a video signal for a high definition television system |
| 07/04/1990 | EP0375878A2 Analogous optical transmission system |
| 07/04/1990 | EP0216797B1 Receiver for television broadcasts by cable with a gate circuit |
| 07/04/1990 | CN1043595A Videotext receiver |
| 07/03/1990 | US4939780 Descrambler |
| 07/03/1990 | US4939767 System and method for transmitting image data on a telephone network or equivalent |
| 07/03/1990 | US4939515 Digital signal encoding and decoding apparatus |
| 07/03/1990 | CA1271252A1 Motion compensating field interpolation method using a hierarchically structured displacement estimator |
| 07/03/1990 | CA1271249A1 Image reception system |
| 07/03/1990 | CA1271248A1 Surveillance system |
| 06/28/1990 | WO1990007246A1 Predictive coding and decoding |
| 06/28/1990 | DE3843451A1 Satellite television and sound broadcast transmission system |
| 06/28/1990 | DE3842982A1 Circuit arrangement for creating de-emphasis |
| 06/28/1990 | DE3842356A1 System for detecting a movement or a change in the surveillance area of a number of television cameras |
| 06/27/1990 | EP0375540A1 Method for scrambling composite PAL, SECAM and NTSC video signals, and decoder for signals scrambled by this method |
| 06/27/1990 | EP0375539A1 Method for scrambling and descrambling composite video signals, and apparatus therefor |
| 06/27/1990 | EP0375073A1 Predective encoding and decoding circuit for pixel values |
| 06/27/1990 | EP0375056A2 Methods of encoding and storing pixel values and apparatuses for decoding and reproducing a digitised image |
| 06/27/1990 | EP0374949A2 Communication device connected to telephone line |
| 06/27/1990 | EP0374943A2 Communication conference system |
| 06/27/1990 | EP0374548A2 System for package multiplexing in transmission of data streams generated by the same algorithm |
| 06/27/1990 | EP0374502A2 Arrangement to carry out psychotherapic treatments |
| 06/27/1990 | EP0374174A1 Procedure for monitoring printing quality |
| 06/27/1990 | CN1043419A Color television transmission system |
| 06/27/1990 | CN1043385A Stove for heating, insulating and store of metallurgical products |
| 06/27/1990 | CN1008592B Dynamic picture coder with self know drawing of insert symbol |
| 06/26/1990 | US4937866 System for decoding transmitted scrambled signals |
| 06/26/1990 | US4937865 Cable TV channel security system having remotely addressable traps |
| 06/26/1990 | US4937848 X-ray examination apparatus with referencing system for the video display |
| 06/26/1990 | US4937668 Method and apparatus for transmitting video information |
| 06/26/1990 | US4937667 Method and apparatus for processing picture signals having interlaced field scanning |
| 06/26/1990 | US4937666 Circuit implementation of block matching algorithm with fractional precision |
| 06/26/1990 | CA1270941A1 Video noise jammer |
| 06/23/1990 | CA2006459A1 Method for scrambling and unscrambling composite video signals and device using said method |
| 06/23/1990 | CA2006458A1 Method for scrambling pal, secam and ntsc composite video signals and decoder for unscrambling said signals |
| 06/20/1990 | EP0373924A1 Coding apparatus |
| 06/20/1990 | EP0373796A2 Near infrared polyethylene inspection system and method |
| 06/20/1990 | EP0373297A2 Video recorder with a teletext decoder |