| Patents for H04N 7 - Television systems (274,023) |
|---|
| 01/02/1979 | US4133004 Video correlation tracker |
| 12/26/1978 | US4131919 Electronic still camera |
| 12/26/1978 | CA1045254A1 Differential x-ray method and apparatus |
| 12/19/1978 | US4130833 Pay television system |
| 12/19/1978 | US4130830 Method and apparatus for homogeneous exposure of video display screen |
| 12/19/1978 | CA1044797A1 Television systems |
| 12/12/1978 | US4129748 Phase locked loop for providing continuous clock phase correction |
| 12/05/1978 | US4128838 Digital scan converter |
| 11/14/1978 | US4125862 Aspect ratio and scan converter system |
| 11/14/1978 | US4125858 Video display arrangements |
| 11/07/1978 | US4124870 Method for improving print quality of coarse-scan/fine-print character reproduction |
| 11/07/1978 | CA1042097A1 Interframe coding system with automatic control of magnitude of interframe difference signal |
| 11/07/1978 | CA1042077A2 Method and apparatus for converting electrical signals |
| 11/07/1978 | CA1041912A1 Wired broadcasting systems |
| 10/31/1978 | US4123786 X-ray examining device comprising a television chain which includes a memory |
| 10/31/1978 | US4123783 Magnetic bubble display systems |
| 10/24/1978 | US4122299 Data output format modifying system |
| 10/17/1978 | US4121259 Method for digital run-length coding with redundance reduction for transmission of binarily coded picture informations |
| 10/17/1978 | US4121250 Flicker free scan conversion system |
| 10/10/1978 | US4120003 Multiple channel CATV system utilizing row grabber interface as CATV input |
| 10/10/1978 | US4120001 System for passing two color TV signals through non-linear path |
| 10/10/1978 | US4119945 Error detection and correction |
| 10/03/1978 | US4118669 Remote disconnect-reconnect tap for cable television systems |
| 09/26/1978 | US4116444 Method for generating a plurality of moving objects on a video display screen |
| 09/19/1978 | US4115811 Data slicing apparatus and method |
| 09/19/1978 | US4115807 Telephone billing apparatus for a subscription television system |
| 09/19/1978 | US4115802 Optical-electronic microscopy apparatus and process |
| 09/19/1978 | US4115662 One way data transmission system |
| 09/19/1978 | CA1038958A1 Wide band automatic frequency control circuit |
| 09/05/1978 | US4112464 Subscription TV decoder logic system |
| 09/05/1978 | US4112463 System for detecting a motion in the monitoring area of two or more television cameras |
| 09/05/1978 | US4112462 Infinity image display having increased vertical field of view |
| 09/05/1978 | US4112422 Method and apparatus for generating moving objects on a video display screen |
| 09/05/1978 | US4112252 Multi-terminal serially communicating shared logic text editing system |
| 08/29/1978 | US4110745 Analog to digital converter |
| 08/22/1978 | US4109281 Terminal device for catv |
| 08/22/1978 | US4109276 Memory read/write organization for a television signal processor |
| 08/15/1978 | US4107735 Television audience survey system providing feedback of cumulative survey results to individual television viewers |
| 08/15/1978 | US4107734 Television viewer reaction determining system |
| 08/15/1978 | CA1036708A1 High resolution low bandwidth portable telecommunication system |
| 08/01/1978 | US4104681 Interleaved processor and cable head |
| 08/01/1978 | US4104486 System for accumulating data over nondedicated telephone lines |
| 07/25/1978 | US4102203 Underwater inspection and communication apparatus |
| 07/18/1978 | US4101776 Image intensifier t. v. fluoroscopy system |
| 07/11/1978 | US4100571 360° Non-programmed visual system |
| 07/04/1978 | US4099259 Data stores and data storage system |
| 07/04/1978 | US4099258 System of data storage |
| 07/04/1978 | US4099203 Television signal scrambling with introduction of replacement program signals |
| 07/04/1978 | US4099202 Multiplexed communication of voice signals and slow scan television signals over a common communication channel |
| 07/04/1978 | US4099179 Method and system of electronic image storage and display |
| 07/04/1978 | US4099123 Electrical multi-channel signal transmission systems |
| 06/27/1978 | US4097894 Secured scramble decoder filter |
| 06/20/1978 | US4096530 Method and apparatus for obscuring the raster lines in a photograph of a video monitor screen |
| 06/20/1978 | US4095791 Cartridge programmable video game apparatus |
| 06/13/1978 | US4095259 Video signal converting system having quantization noise reduction |
| 06/13/1978 | US4095258 Apparatus for decoding scrambled television and similar transmissions |
| 06/06/1978 | US4093962 Adaptive predictive encoder |
| 05/23/1978 | US4091417 Decoder mode validation apparatus for pay television systems |
| 05/23/1978 | US4091415 Method and apparatus for detecting temporal changes in an object |
| 05/23/1978 | US4091413 Security system for pay-TV channel |
| 05/23/1978 | US4091374 Method for pictorially displaying output information generated by an object imaging apparatus |
| 05/23/1978 | US4090712 Animated game |
| 05/16/1978 | US4090221 Apparatus for improving video signal-to-noise ratio |
| 05/16/1978 | US4090220 Wired broadcasting systems for processing coded data representative of subscriber station conditions |
| 05/09/1978 | US4089025 VIR signal detector for a color television receiver |
| 05/02/1978 | US4087837 X-ray picture coding |
| 04/25/1978 | US4086578 Electronic circuits for the generation of special effects in the visualization system of symbols on a kinescope especially for television games |
| 04/18/1978 | US4085424 Phase-comparison logic circuit for dual signal television reception |
| 04/18/1978 | US4085422 Fee-charging apparatus for television sets |
| 04/11/1978 | US4084140 Programmable non-duplication switching device |
| 03/28/1978 | US4081832 Pay television system, method and apparatus |
| 03/28/1978 | US4081831 High security subscription television system employing real time control of subscriber's program reception |
| 03/28/1978 | US4081753 Automatic programming system for television receivers |
| 03/21/1978 | US4080629 Camera and housing |
| 03/14/1978 | US4079419 Method and apparatus for transmitting and receiving additional information in a television signal |
| 03/14/1978 | US4079415 Frequency translator |
| 03/14/1978 | US4079414 Interrogated transponder system |
| 03/14/1978 | US4079319 Radio frequency signal distribution device for use in a CATV system |
| 03/07/1978 | US4078245 System for multiplexing information channels adjacent to a video spectrum |
| 02/28/1978 | US4077053 Television signal encoder utilizing a correlation between frames |
| 02/28/1978 | US4077006 Bidirectional unicable switching system |
| 02/21/1978 | US4075660 Pay television system with synchronization suppression |
| 02/21/1978 | US4075659 Electronic door announcer |
| 02/21/1978 | US4075658 Method and device for isolating figures in an image |
| 02/21/1978 | US4075657 Eye movement monitoring apparatus |
| 02/21/1978 | US4075656 Circuit for digitally encoding an analog television signal |
| 02/21/1978 | US4075485 Apparatus for controlling and displaying scintillation camera information |
| 02/14/1978 | US4074317 Multi-channel video display apparatus using sequential circuit |
| 02/14/1978 | US4074315 Apparatus for reproducing multiplex video data |
| 02/14/1978 | US4074311 Television security system |
| 02/14/1978 | US4074310 Selective cctv communicating |
| 02/07/1978 | US4072899 RF leak detector |
| 01/31/1978 | US4071697 Interactive video/telephone transmission system |
| 01/24/1978 | US4070693 Secure television transmission system |
| 01/17/1978 | US4069504 Digital transmission method for coded video signals |
| 01/10/1978 | US4068266 Statistical resolution conversion technique |
| 01/10/1978 | US4068265 Method and apparatus for sampling and reproducing television information |
| 01/10/1978 | US4068264 Pay television system utilizing binary coding |
| 01/10/1978 | US4068258 Method for compressing then expanding a television signal |
| 01/03/1978 | US4066966 Alarm system utilizing a bidirectional transmission line in CATV system |