| Patents for H04N 7 - Television systems (274,023) |
|---|
| 10/07/1987 | EP0239908A2 Wideband switching system |
| 10/07/1987 | EP0239860A2 Method and apparatus for encoding and decoding video signals for their recording/playback with an improved chrominance characteristic |
| 10/07/1987 | EP0239800A2 Method and circuit arrangement for flicker-free reproduction of a video signal |
| 10/07/1987 | EP0239760A2 Method for selecting the desired language information at the reception of television signals having a plurality of sound channels |
| 10/06/1987 | US4698843 Method for compensating for void-defects in images |
| 10/06/1987 | US4698689 Progressive image transmission |
| 10/06/1987 | US4698677 Television receiver arrangements |
| 10/06/1987 | US4698676 Video signal control circuit |
| 10/06/1987 | US4698675 Progressive scan display system having intra-field and inter-field processing modes |
| 10/06/1987 | US4698672 Coding system for reducing redundancy |
| 10/06/1987 | US4698670 Cable stereo apparatus |
| 10/06/1987 | US4698665 Color television transmission or information storage system, respectively with time-division multiplex coding and data generator and receiver suitable therefor |
| 10/06/1987 | US4697594 Displaying a single parameter image |
| 10/06/1987 | CA1227867A1 Image transmission |
| 10/06/1987 | CA1227866A1 Spatial imaging system |
| 10/06/1987 | CA1227735A1 Aircraft passenger television system |
| 09/30/1987 | EP0239113A2 Method of smoothing image data |
| 09/30/1987 | EP0239076A2 Encoder capable of faithfully and adaptively encoding a moving image |
| 09/30/1987 | EP0238526A1 Videorecorder programmable by videotext signals |
| 09/30/1987 | EP0153328B1 Data conference arrangement |
| 09/29/1987 | US4697277 Synchronization recovery in a communications system |
| 09/29/1987 | US4697210 Endoscope for displaying a normal image |
| 09/29/1987 | US4697046 Teletext signal processing circuit for a teletext receiver |
| 09/29/1987 | CA1227574A1 Differential data coding and decoding process and system restricting propagation of transmission errors |
| 09/29/1987 | CA1227562A1 Method and apparatus for the transmission of digital luminance- and chrominance television signals |
| 09/29/1987 | CA1227561A1 Television and market research data collection system and method |
| 09/29/1987 | CA1227560A1 Method for developing a key signal for descrambling in television broadcasting |
| 09/29/1987 | CA1227546A1 Method and device for coherent demodulation of a digitally modulated carrier |
| 09/24/1987 | WO1987005770A1 Video signal processing for bandwidth reduction |
| 09/24/1987 | WO1987005769A1 Tv picture motion measurement |
| 09/24/1987 | WO1987005764A1 Telephone dial-up vendor service |
| 09/24/1987 | WO1987005716A1 A photographic system |
| 09/24/1987 | DE3609165A1 Videoconference room furnishing |
| 09/24/1987 | DE3608917A1 Method for correction |
| 09/23/1987 | EP0238382A1 Device for demultiplexing data packets of a radio broadcast signal of the MAC-packet type |
| 09/23/1987 | EP0238340A2 Imaging apparatus |
| 09/23/1987 | EP0238254A2 Data compression using block list transform |
| 09/23/1987 | EP0238232A2 Video memory control device |
| 09/23/1987 | EP0237989A1 Differential coding apparatus having an optimum predicted value determining circuit |
| 09/23/1987 | EP0237958A1 Device at the receiver side with an operation mode controlled from the transmitter side |
| 09/23/1987 | EP0237928A2 Method for correcting blockwise transmitted discrete values |
| 09/23/1987 | EP0237590A1 Control circuit for controlling two signals out of phase by about 90o |
| 09/23/1987 | EP0237561A1 Audio and video digital recording and playback system |
| 09/22/1987 | US4696034 High security pay television system |
| 09/22/1987 | US4695975 For translating a natural language into visual images |
| 09/22/1987 | US4695971 Circuit for rapidly determining the greatest difference among three binary numerical values |
| 09/22/1987 | US4695901 Method and apparatus for removing pseudo-sync and/or agc pulses from a video signal |
| 09/22/1987 | US4695883 Digital video compression system with variable digital filter |
| 09/22/1987 | US4695882 Movement estimation system for video signals using a recursive gradient method |
| 09/22/1987 | US4695881 Apparatus for imaging infrared emitting surfaces |
| 09/22/1987 | US4695880 Electronic information dissemination system |
| 09/22/1987 | US4695726 Radiation image reproducing method and apparatus |
| 09/22/1987 | CA1227277A1 Fading circuit for video signals |
| 09/22/1987 | CA1227252A1 Reference signal reproduction apparatus |
| 09/17/1987 | DE3708288A1 Method for reducing the amount of data for image coding |
| 09/17/1987 | DE3608489A1 Method for improving the image segmenting of a video telephony scene |
| 09/17/1987 | DE3608270A1 Communications support for videophone systems |
| 09/17/1987 | DE3608262A1 Method for frame synchronisation of video reproduction devices in video conferences |
| 09/16/1987 | EP0237408A1 Method and device for asynchronous clock recovery for digital transmission systems |
| 09/16/1987 | EP0237174A2 Device for displaying wide-aspect images on a non-wide-aspect screen |
| 09/16/1987 | EP0236833A2 Method and apparatus for the automatic analysis and recognition of a telecast encryption code |
| 09/16/1987 | EP0236519A1 Motion compensating field interpolation method using a hierarchically structured displacement estimator |
| 09/15/1987 | US4694491 Cryptographic system using interchangeable key blocks and selectable key fragments |
| 09/15/1987 | US4694490 Signal processing apparatus and methods |
| 09/15/1987 | US4694489 Video transmission system |
| 09/15/1987 | US4694437 Subterranean surveying apparatus |
| 09/15/1987 | US4694406 Apparatus for displaying scrolling images |
| 09/15/1987 | US4694354 Method and apparatus for printing trimming instructions for developer of photographs |
| 09/15/1987 | US4694339 Power line locked image processing systems |
| 09/15/1987 | US4694338 High-definition television transmission system |
| 09/15/1987 | US4694337 Video line rate converter |
| 09/15/1987 | US4694336 Digital data transmission method |
| 09/15/1987 | US4694329 Color correction system and method with scene-change detection |
| 09/15/1987 | US4694328 Recombination of low- and high-resolution segments of an extended aspect ratio picture |
| 09/15/1987 | CA1226952A1 Apparatus for determination of the maximum difference between three numerical values |
| 09/15/1987 | CA1226925A1 Switching system |
| 09/09/1987 | EP0235803A1 System for coding and transmitting motion image signals |
| 09/09/1987 | EP0235573A1 Circuit arrangement for generating a clock signal |
| 09/09/1987 | EP0235566A2 Method of image signal encoding by orthogonal transformation |
| 09/09/1987 | EP0235387A2 Radiation detector employing solid state scintillator material and preparation methods therefor |
| 09/08/1987 | US4692892 Parallel analog device for the local processing of a bidimensional signal |
| 09/08/1987 | US4692806 Image-data reduction technique |
| 09/08/1987 | US4692803 CATV converter having phase locked loop for sound carrier wave frequency control |
| 09/08/1987 | US4692801 Bandwidth compressed transmission system |
| 09/08/1987 | EP0222772A4 Television program transmission verification method and apparatus. |
| 09/08/1987 | CA1226664A1 Video data transmission |
| 09/02/1987 | EP0234640A1 DPCM decoding circuit |
| 09/02/1987 | CN86210521U Automatic playing back equipment for video tape |
| 09/01/1987 | US4691366 Image enhancement |
| 09/01/1987 | US4691354 Vertical interval data blanker |
| 09/01/1987 | US4691353 Scrambling systems for CATV |
| 09/01/1987 | US4691352 Arrangement for deciphering and decoding television pictures encoded in accordance with the MAC standard and scrambled at transmission by submitting the video signals to cyclic permutations |
| 09/01/1987 | US4691351 Television signal receiving apparatus |
| 09/01/1987 | US4691329 Block encoder |
| 09/01/1987 | US4691245 Method and apparatus for combining two color video signals |
| 09/01/1987 | US4691234 Noise reduction circuit for television multi-channel sound |
| 09/01/1987 | US4691233 Rate buffer control of difference signal decimation and interpolation for adaptive differential pulse code modulator |
| 09/01/1987 | US4691232 X-ray image converter |
| 09/01/1987 | US4691230 Motion vector detection system of a moving object on a screen |
| 08/27/1987 | WO1987005180A1 System for transmitting animation image signals |