| Patents for H04N 7 - Television systems (274,023) |
|---|
| 08/27/1987 | WO1987005179A1 Apparatus for encoding a television signal to be transmitted |
| 08/27/1987 | WO1987005178A1 Method for digital data transmission |
| 08/27/1987 | DE3702207A1 System for transmitting information data |
| 08/26/1987 | EP0233720A2 Television signal - standard converting apparatus |
| 08/26/1987 | EP0233626A2 Method for demodulating D2-MAC signals or similar time division multiplexed frequency modulated signals and device for implementing the same |
| 08/25/1987 | US4689826 Optical communication of video and audio with cross-talk suppression |
| 08/25/1987 | US4689673 Movement compensation predictive encoder for a moving picture signal with a reduced amount of information |
| 08/25/1987 | US4689672 Method and device of coding a digital video signal for reproduction of pictures with a high quality even upon occurrence of a drastical change between the pictures |
| 08/25/1987 | US4689671 Coding apparatus for moving object image |
| 08/25/1987 | US4689661 Method of simultaneously transmitting a plurality of television signals on a single radio link and apparatus adapted to carry out said method |
| 08/25/1987 | US4689619 Method and apparatus for polling subscriber terminals |
| 08/25/1987 | US4688939 Method and apparatus for inspecting articles |
| 08/25/1987 | CA1226060A1 Apparatus for descrambling transmitted scrambled television signals |
| 08/19/1987 | EP0232446A1 Wireless transmission from the television set to the televison station |
| 08/19/1987 | EP0232417A1 Process for correcting transmission errors. |
| 08/18/1987 | US4688249 CATV system and method of curtailing reception of unauthorized service channels |
| 08/18/1987 | US4688248 Pay television system |
| 08/18/1987 | US4688247 Pay TV scrambling by audio encryption |
| 08/18/1987 | US4688246 CATV scrambling system with compressed digital audio in synchronizing signal intervals |
| 08/18/1987 | US4688242 X-ray imaging system |
| 08/18/1987 | US4688175 Image processor with automatic setting of window width and level for individual blocks of the image |
| 08/18/1987 | US4688097 D.C.-coupled video clamping circuit |
| 08/18/1987 | US4688094 Reference signal reproduction apparatus |
| 08/18/1987 | US4688090 Vision system |
| 08/18/1987 | CA1225746A1 Error correction system for difference set cyclic code in a teletext system |
| 08/18/1987 | CA1225737A1 Method of and apparatus for improving television picture quality by activity-controlled dpcm-coding |
| 08/18/1987 | CA1225736A1 Image data transmission system capable of reproducing a high resolution image by the use of a simple structure |
| 08/18/1987 | CA1225735A1 Video encryption system |
| 08/13/1987 | WO1987004884A1 Pay-per-view catv system |
| 08/13/1987 | WO1987004882A1 Method and apparatus for selectively blocking program channels |
| 08/12/1987 | EP0231403A1 Two-way audiovisual telecommunications system |
| 08/11/1987 | US4686706 Digital signal receiver |
| 08/11/1987 | US4686698 Workstation for interfacing with a video conferencing network |
| 08/11/1987 | US4686564 Communication data processing device of cable television system |
| 08/11/1987 | CA1225470A1 Multiple x-ray image scanners |
| 08/11/1987 | CA1225458A1 Descrambler subscriber key production system utilizing key seeds stored in descrambler |
| 08/06/1987 | DE3615196C1 Method for determining the correlations between television programme sources and station keys of a video recorder |
| 08/05/1987 | EP0231120A2 Control and metering system for pay television over a cable network |
| 08/05/1987 | EP0231021A2 Image signal encoding method by orthogonal transformation |
| 08/05/1987 | EP0231020A2 Method of image signal encoding by orthogonal transformation |
| 08/05/1987 | EP0230752A2 Two-dimensional finite impulse response filter arrangements |
| 08/05/1987 | EP0230671A1 Video-mobile surveillance device |
| 08/05/1987 | EP0230632A2 Video communications system with variable scanning pattern |
| 08/05/1987 | EP0230473A1 Monitoring device applying noctovision for a doorphone system |
| 08/04/1987 | US4685131 Program blocking method for use in direct broadcast satellite system |
| 08/04/1987 | US4685115 Apparatus for transmitting digital signals |
| 08/04/1987 | US4684986 Television signal memory-write circuit |
| 08/04/1987 | US4684985 Signal converting method and circuit for television receiver |
| 08/04/1987 | US4684984 Motion compensated interframe decoding apparatus |
| 08/04/1987 | US4684983 Non-linear processor for reducing the dynamic range of a digitized error signal |
| 08/04/1987 | US4684980 System for controlling communications on a cable television network |
| 08/04/1987 | US4684923 Encoder with selective indication of compression encoding and decoder therefor |
| 08/04/1987 | US4684823 Monolithic switch with selective latch control |
| 08/04/1987 | CA1225143A1 Television systems and subsystems therefore |
| 08/03/1987 | EP0221086A4 Compatibility of widescreen and non-widescreen television transmissions. |
| 07/29/1987 | EP0230338A2 Image processing system |
| 07/29/1987 | EP0230327A2 Teletext transmission systems |
| 07/29/1987 | EP0230310A2 Velocity error correcting circuit |
| 07/29/1987 | EP0230280A1 Aircraft passenger television system |
| 07/29/1987 | EP0229759A1 Closed circuit television apparatus |
| 07/29/1987 | CN85109382A Emphasis network in mac direct satellite broadcasting tv system |
| 07/28/1987 | US4683586 Scrambling system for an audio frequency signal |
| 07/28/1987 | US4683497 Television receiver for flicker-free reproduction of an interlaced video signal |
| 07/28/1987 | US4683494 Inter-frame predictive coding apparatus for video signal |
| 07/28/1987 | US4683493 Compact optical apparatus for tracking a path of movement of a tool along a line of travel on a workpiece |
| 07/28/1987 | CA1224870A1 Method and device for detection of moving points in a television image for digital television systems providing conditional-replenishment bit-rate compression |
| 07/22/1987 | EP0229353A2 Method and system for handling transmission errors |
| 07/21/1987 | US4682360 Video transmission system |
| 07/21/1987 | US4682359 Television picture and sound scrambler and method |
| 07/21/1987 | US4682349 Switching system with video switching matrix |
| 07/21/1987 | US4682301 Digital filter for processing two-dimensional digital image |
| 07/21/1987 | US4682248 Audio and video digital recording and playback system |
| 07/21/1987 | US4682225 For producing a display of an image of an object |
| 07/21/1987 | US4682224 System, method, and apparatus for television signal scrambling and descrambling |
| 07/21/1987 | US4682223 Descrambler unit method and apparatus for television signal descrambling |
| 07/21/1987 | US4682218 Surveying instrument with image display unit |
| 07/16/1987 | DE3600914A1 User terminal for video telephony |
| 07/15/1987 | EP0228820A2 Method and apparatus of transmitting and decoding video data |
| 07/15/1987 | EP0228634A2 Videotex information utility |
| 07/15/1987 | CN86107779A Method and device for estimating motion in sequence of pictures |
| 07/14/1987 | US4680791 Digital video signal process apparatus for use in a video tape recorder |
| 07/14/1987 | US4680632 Television display system with flicker reduction processor having burst locked clock and skew correction |
| 07/14/1987 | US4680630 Apparatus for processing digital video signals to produce a television image by line and field sequential scanning |
| 07/14/1987 | US4680629 Display unit |
| 07/14/1987 | US4680628 Realtime digital diagnostic image processing system |
| 07/14/1987 | CA1224264A1 Video signal transmission systems |
| 07/08/1987 | EP0228108A2 Receiving scrambled signals |
| 07/08/1987 | EP0228028A1 Circuit arrangement for transform coding |
| 07/08/1987 | EP0227956A1 Vector quantization data reduction method of digital picture signals |
| 07/08/1987 | EP0227825A1 Electronic information dissemination system |
| 07/07/1987 | US4679247 FM receiver |
| 07/07/1987 | US4679235 For scrambling a television signal by inversion |
| 07/07/1987 | US4679083 Teletext device with reduced page-access time |
| 07/07/1987 | US4679082 Code transmission system character broadcasting receiver |
| 07/07/1987 | US4679081 System for coding video signal in block unit |
| 07/07/1987 | US4679079 Method and system for bit-rate compression of digital data transmitted between a television transmitter and a television receiver |
| 07/07/1987 | US4679078 High security subscription television transmission system |
| 07/07/1987 | US4679077 Visual Image sensor system |
| 07/07/1987 | US4679067 Color correction system and method with localized color sampling |
| 07/07/1987 | CA1223957A1 Methods of and apparatus for correcting errors in video signals |