| Patents for H04N 7 - Television systems (274,023) |
|---|
| 07/29/1980 | US4215366 Subscriber-limited reception television broadcast security encoder-decoder system |
| 07/22/1980 | CA1082351A1 Television display control apparatus |
| 07/15/1980 | US4213150 Real-time edge processing unit |
| 07/15/1980 | US4213124 System for digitally transmitting and displaying texts on television screen |
| 07/15/1980 | CA1081843A1 Time registration arrangement provided with a television camera |
| 07/15/1980 | CA1081842A1 Image transformation system with variable delay |
| 07/15/1980 | CA1081841A1 Surveillance system |
| 07/09/1980 | EP0013124A1 Digital signal processing method and apparatus |
| 07/09/1980 | EP0012979A1 Method for the transmission of several signals via a lightwave guide link, in particular between an exchange and a subscriber's connection |
| 07/09/1980 | EP0012761A1 Tv graphics and mixing control |
| 07/08/1980 | US4212035 Facsimile signal coding system |
| 07/08/1980 | CA1081373A1 Apparatus for tomography |
| 07/01/1980 | US4210933 Process and apparatus for digitally clamping pulse code modulated video signals |
| 07/01/1980 | US4210329 Videogame with mechanically disjoint target detector |
| 06/25/1980 | EP0012632A1 Compression and expansion (quantification) of digital differentially encoded television signals |
| 06/25/1980 | EP0012377A1 System for the transmission of signals between a television camera and its control unit |
| 06/24/1980 | US4209257 Apparatus for detecting defects in patterns |
| 06/17/1980 | CA1079809A1 Retro-reflection communication system |
| 06/10/1980 | US4207595 Apparatus for making laminar radiograms |
| 06/10/1980 | US4207431 Apparatus and method for monitoring a communications system |
| 06/03/1980 | US4206316 Transmitter-receiver system utilizing pulse position modulation and pulse compression |
| 05/29/1980 | WO1980001125A1 Access arrangement with keys for distribution and dialogue |
| 05/28/1980 | EP0011593A1 Control device with a keyboard for distribution and dialogue services |
| 05/27/1980 | US4205343 Television system transmitting enciphered data signals during field blanking interval |
| 05/27/1980 | US4205341 Picture signal coding apparatus |
| 05/27/1980 | US4205339 Frame storage and retrieval wherein the frame fields are quadrature amplitude modulated on a single carrier |
| 05/27/1980 | CA1078525A1 Data stores and data storage system |
| 05/20/1980 | US4204228 Digital testing apparatus |
| 05/20/1980 | US4204227 Television picture compressor |
| 05/20/1980 | US4204163 Minimum group pulse code modem having shape and amplitude codes |
| 05/20/1980 | CA1078057A1 Noise reduction system for color television |
| 05/14/1980 | EP0011016A1 Transmitting system for audio-visual television signals synchronised by a pilot frequency, and method for putting it into operation |
| 05/14/1980 | EP0010813A1 A system for transmitting visual information via a low-frequency system, such as a telephone system |
| 05/14/1980 | EP0010794A1 Device for participating to a program emitted by a medium |
| 05/13/1980 | US4203130 Information displaying system |
| 05/13/1980 | US4202631 Apparatus for detecting defects in patterns |
| 05/06/1980 | US4202012 Sampling clock reproducing device |
| 05/06/1980 | US4202011 Television signal coder |
| 05/06/1980 | CA1077169A1 Projector |
| 05/01/1980 | WO1980000795A1 Video display method of reflex action of moving body |
| 04/30/1980 | EP0010433A1 Continuous motion flying spot telecine |
| 04/29/1980 | US4200887 Television camera |
| 04/29/1980 | US4200886 Method for transmitting video signals with the aid of DPC modulation and controlled quantizer |
| 04/29/1980 | US4200839 Wired television broadcasting systems |
| 04/22/1980 | US4199781 Program schedule displaying system |
| 04/22/1980 | US4199656 Digital video signal processor with distortion correction |
| 04/16/1980 | EP0010040A1 Method for transmitting an analog audiofrequency signal during line-field synchronisation intervals of a television signal, and apparatus for utilising this method |
| 04/16/1980 | EP0009829A1 Scan rate converter utilizing discrete differentially coded signals |
| 04/15/1980 | US4198653 Video alarm systems |
| 04/15/1980 | US4198651 Television reference signal digital indentification system |
| 04/15/1980 | US4198624 Alarm system |
| 04/08/1980 | CA1075350A1 Digital scan converter |
| 04/03/1980 | WO1980000646A1 Image coding by selective addition of pseudo-random noise to portions of video signal |
| 04/03/1980 | WO1980000645A1 Digital encoder for facsimile transmission |
| 04/01/1980 | US4196448 TV bandwidth reduction system using a hybrid discrete cosine DPCM |
| 04/01/1980 | US4196447 Facsimile to video converter |
| 04/01/1980 | CA1074922A1 System of data storage |
| 04/01/1980 | CA1074905A1 Camera and housing |
| 03/18/1980 | US4194218 Inspection apparatus for underground channels |
| 03/18/1980 | CA1074015A1 Interframe coding apparatus |
| 03/05/1980 | EP0008350A1 Picturephone desk |
| 03/04/1980 | US4191970 Interframe coder for video signals |
| 03/04/1980 | US4191969 Video composite transmission system integrating encoded data channels into blanking and synchronizing signal |
| 03/04/1980 | US4191968 Video signal communications system with improved signal-to-noise ratio |
| 03/04/1980 | US4191966 CATV block converter |
| 03/04/1980 | US4191956 Device for the display of data on a display apparatus |
| 02/26/1980 | US4190899 Card retrieval device |
| 02/26/1980 | US4190866 Surveillance device incorporating a television camera |
| 02/26/1980 | US4190861 Method and arrangement for redundancy-reducing picture coding |
| 02/20/1980 | EP0007992A1 Drive-in cinema |
| 02/19/1980 | US4189748 Video bandwidth reduction system using a two-dimensional transformation, and an adaptive filter with error correction |
| 02/12/1980 | US4188644 Apparatus for controlling video tape presentation |
| 02/12/1980 | US4188640 Apparatus for making laminar radiograms |
| 02/07/1980 | WO1980000209A1 Method and system for subscription television billing and access |
| 02/06/1980 | EP0007655A1 Method for copying documents using a rotatable recording medium and a recording disc used therefor |
| 02/05/1980 | US4186899 Controlled beam projector |
| 01/29/1980 | US4186413 Apparatus for receiving encoded messages on the screen of a television receiver and for redisplay thereof on the same receiver screen in a readable format |
| 01/29/1980 | CA1070768A1 Wired broadcasting systems |
| 01/23/1980 | EP0006941A1 Correlation follower for tracking an object |
| 01/22/1980 | US4185198 Means for generating an X-ray exposure command in response to a video signal component |
| 01/15/1980 | US4184206 Subpixel X-Y coordinate encoding |
| 01/15/1980 | CA1070019A1 Electronic image analyzer method and apparatus |
| 01/15/1980 | CA1069981A1 Frequency translator |
| 01/15/1980 | CA1069978A1 Rf leak detector |
| 01/09/1980 | EP0006727A1 Optical scanner |
| 01/08/1980 | US4183087 Peak deviation sampling |
| 01/08/1980 | US4183057 Actuating system for a rental television |
| 01/08/1980 | US4183054 Digital, frequency-translated, plural-channel, vestigial sideband television communication system |
| 01/01/1980 | US4181914 System for reducing transmission problems in a parallel digital data transmission system |
| 12/18/1979 | US4179710 Predictive encoder with a non-linear quantizing characteristic |
| 12/18/1979 | US4179709 Video information bandwidth compression |
| 12/18/1979 | US4179704 Television system for displaying and recording paths of motion |
| 12/18/1979 | US4179703 System for transmitting two color TV signals |
| 12/18/1979 | US4179659 Signal transmission system |
| 12/11/1979 | US4178613 Television picture special effects system using digital memory techniques |
| 11/28/1979 | EP0005532A1 Apparatus mounted on a vehicle for recording of accidents |
| 11/20/1979 | US4175269 Underwater TV surveillance of pipelines |
| 11/20/1979 | US4175267 Method and apparatus of inserting an address signal in a video signal |
| 11/06/1979 | US4173771 High speed predictive encoding and decoding system for television video signals |
| 10/30/1979 | US4173024 Audio-visual reproduction carrel |