| Patents for H04N 7 - Television systems (274,023) |
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| 02/21/1989 | US4807298 Method of and system for digital signal coding by vector quantization |
| 02/21/1989 | US4807286 High security pay television system |
| 02/21/1989 | US4807285 Method and apparatus for scrambling a television signal |
| 02/21/1989 | US4807053 Method and apparatus for recording and/or reproducing video information in/for a record carrier, and record carrier obtained by means of the method |
| 02/21/1989 | US4807042 Method of image signal encoding by orthogonal transformation |
| 02/21/1989 | US4807033 Method for correcting television signals |
| 02/21/1989 | US4807032 Method of correcting image errors |
| 02/21/1989 | US4807031 Interactive video method and apparatus |
| 02/21/1989 | US4807030 Method and apparatus for multiplexing television signals |
| 02/21/1989 | US4807029 Method of reconstructing image from compression-processed image signals |
| 02/21/1989 | US4807028 Decoding device capable of producing a decoded video signal with a reduced delay |
| 02/21/1989 | US4807027 Station platform observation method |
| 02/21/1989 | US4807023 Mapping method for impulse pay per view system |
| 02/21/1989 | US4806924 Method and system for displaying information |
| 02/15/1989 | EP0303450A2 Digital signal transmission apparatus |
| 02/15/1989 | EP0303322A1 Method and system for transmitting and/or storing data in digitized form |
| 02/15/1989 | EP0303316A2 Television transmission system |
| 02/15/1989 | CN2032764U Remote controllable satellite tv receiver with antenna cover |
| 02/15/1989 | CN1003344B Receiving apparatus having gating circuit for receiving cable transmission tv signal |
| 02/14/1989 | US4805134 Electronic system for accessing graphical and textual information |
| 02/14/1989 | US4805119 User terminal for videotex |
| 02/14/1989 | US4805037 Image recording system |
| 02/14/1989 | US4805030 Method of image signal encoding by orthogonal transformation |
| 02/14/1989 | US4805020 Television program transmission verification method and apparatus |
| 02/14/1989 | US4805017 System for coding and transmitting motion image signals |
| 02/14/1989 | US4805014 Signal transmission system for a CATV system |
| 02/14/1989 | US4804106 Measures to control opening of full-panel safety-edge, convenience-feature end closures |
| 02/09/1989 | WO1989001276A1 Compatible widescreen television system with quadrature modulated alternative subcarrier |
| 02/09/1989 | WO1989001274A1 Compatible widescreen television system |
| 02/09/1989 | WO1989001270A1 A method for transmitting high-definition television over low-bandwidth channels |
| 02/09/1989 | WO1989001129A1 Detection system for a radiation profile line |
| 02/09/1989 | DE3725368A1 Video telephone (videophone) |
| 02/09/1989 | DE3725060A1 Method for additional signal transmission in a broadband (wideband) digital transmission channel |
| 02/08/1989 | EP0302512A2 Simplified calibration for a distance information obtaining device |
| 02/08/1989 | CN1031004A 信息传输系统 Information transmission system |
| 02/08/1989 | CN1003275B Tv system conversion apparatus |
| 02/08/1989 | CN1003274B Scanning conversion method and scan converter unit employing the conversion method |
| 02/07/1989 | US4803734 Method of and apparatus for detecting pattern defects |
| 02/07/1989 | US4803725 Cryptographic system using interchangeable key blocks and selectable key fragments |
| 02/07/1989 | US4803551 Module for use in receiving teletext signal |
| 02/07/1989 | CA1249878A1 Surface inspection apparatus for objects |
| 02/02/1989 | DE3724544A1 Method and circuit arrangement for transmitting television signals |
| 02/02/1989 | DE3723960C1 Coaxial connecting device |
| 02/01/1989 | EP0301770A2 Radio receiver having station format selection capability |
| 02/01/1989 | EP0301712A1 Data encoding |
| 02/01/1989 | EP0301019A1 Method for the three-dimensional surveillance of the object space. |
| 02/01/1989 | EP0160706B1 Television receiver |
| 02/01/1989 | CN1030846A Method of inspecting apertured mask sheets |
| 01/31/1989 | US4802239 Switch distributing apparatus for community reception |
| 01/31/1989 | US4802232 Method for reducing the quantity of data in image coding |
| 01/31/1989 | US4802215 Security system for television signal encryption |
| 01/31/1989 | US4802214 Method and apparatus for identifying and rendering operative particular descramblers in a television signal scrambling system |
| 01/31/1989 | US4802213 Sound masking in phase reversal TV scrambling system |
| 01/31/1989 | US4802110 Two-dimensional finite impulse response filter arrangements |
| 01/31/1989 | US4802022 Cable TV system for guest facilities |
| 01/31/1989 | US4802008 Satellite communications system for medical related images |
| 01/31/1989 | US4802006 Signal processing unit for producing a selected one of signals predictive of original signals |
| 01/31/1989 | US4802005 High efficiency encoding system |
| 01/31/1989 | US4802004 Predictive coding system for TV signals |
| 01/31/1989 | US4802003 Color picture information transmission system |
| 01/31/1989 | CA1249666A1 Digital signal overflow correction apparatus |
| 01/31/1989 | CA1249507A1 Protective fence for press |
| 01/26/1989 | WO1989000796A1 Data encoding |
| 01/26/1989 | EP0282569A4 Apparatus for correcting video color signals. |
| 01/25/1989 | EP0300775A2 Signal encoding and decoding method and device |
| 01/25/1989 | EP0300678A2 Scrambling of analogue electrical signals |
| 01/25/1989 | EP0300572A1 Method and apparatus for inspecting apertured mask sheets |
| 01/25/1989 | EP0300565A1 Signal decoding device relating to frequency modulated transmissions |
| 01/25/1989 | EP0300562A1 Television transmission system |
| 01/25/1989 | EP0300509A2 Display apparatus capable of simultaneously displaying a television picture and a compressed display page of character and graphics data |
| 01/25/1989 | EP0300193A1 Television set with an integrated satellite receiver unit |
| 01/25/1989 | EP0300016A1 Device for the remote transmission of signals, particularly video signals. |
| 01/24/1989 | US4800511 Method of smoothing image data |
| 01/24/1989 | US4800433 Progressive scanning conversion system for television image display apparatus |
| 01/24/1989 | US4800432 Video Difference key generator |
| 01/24/1989 | US4800428 Circuit arrangement for a television receiver comprising a video text decoder |
| 01/24/1989 | US4800427 Method of compatibly increasing resolution in a color television system |
| 01/24/1989 | US4800426 Method and system for transmission and reception of high definition |
| 01/24/1989 | US4800425 System for displacement vector searching during digital image analysis |
| 01/18/1989 | EP0299831A1 Method for providing an interactive full motion synched compatible audio/visual television display |
| 01/18/1989 | EP0299830A1 Interactive television system for providing full motion synched compatible audio/visual displays from transmitted television signals |
| 01/18/1989 | EP0299829A2 Interactive television system for providing full motion synched compatible audio/visual displays |
| 01/18/1989 | EP0299582A2 Teletext decoders |
| 01/18/1989 | EP0299013A1 Disc removal end wall structure with safety features |
| 01/17/1989 | US4799212 Circuit for controlling two signals approximately 90 degree apart in phase |
| 01/17/1989 | CA1249061A1 Method and apparatus for encoding/decoding image signal |
| 01/12/1989 | DE3820835A1 Fully-digital hifi-video system - uses integrated service data network for transmission of digitally coded sound and video information |
| 01/12/1989 | DE3722208A1 Method for transmitting a television signal |
| 01/11/1989 | EP0298546A1 System for the transmission of a series of digital samples coded by binary words with variable lengths |
| 01/11/1989 | EP0298394A2 Method and device for reducing the visibility of the line structure of a television picture |
| 01/10/1989 | US4797944 Image signal encoding method by orthogonal transformation |
| 01/10/1989 | US4797919 Receiver having an interface with a sub-system |
| 01/10/1989 | US4797918 Subscription control for television programming |
| 01/10/1989 | US4797750 Method and apparatus for transmitting/recording computer-generated displays on an information channel having only audio bandwidth |
| 01/10/1989 | US4797746 Digital image interface system |
| 01/10/1989 | US4797743 Video memory control device |
| 01/10/1989 | US4797742 Divisional image transmission system and method |
| 01/10/1989 | US4797741 Information signal transmission system |
| 01/10/1989 | US4797740 Real-time video signal processing device capable of typically executing interframe coding |
| 01/10/1989 | US4797739 Method of compressing and reconstructing image signals by vector quantization |