| Patents for H04N 7 - Television systems (274,023) |
|---|
| 03/02/1976 | US3941919 Method and apparatus for effecting digital signalling over television signal channels |
| 02/24/1976 | US3940602 Signal processing imager array using charge transfer concepts |
| 02/24/1976 | US3940555 Picture signal transmission system |
| 02/17/1976 | US3939306 Videotelephone system with centralized synchronization control |
| 02/17/1976 | US3939303 Digital video modulation apparatus |
| 02/10/1976 | US3937890 Remote monitoring communication system and terminal for utility meters |
| 02/03/1976 | US3936800 Pattern recognition system |
| 02/03/1976 | US3936747 Code operated switching device for communications systems and the like |
| 02/03/1976 | US3936597 Video frequency amplifier operable in either of two bias conditions |
| 02/03/1976 | US3936595 Signal transmission system for transmitting programed information such as programed instruction |
| 02/03/1976 | US3936594 Secure television system |
| 02/03/1976 | US3936593 Scrambler and decoder for a television signal |
| 01/27/1976 | US3935591 Audio-visual apparatus with control signal operated gating means |
| 01/27/1976 | US3935534 Converter-tuner for information transmission system |
| 01/27/1976 | US3935383 Storage of a representation of an image |
| 01/27/1976 | US3935380 Surveillance system |
| 01/20/1976 | US3934079 Bilateral communications system for distributing commerical and premium video signaling on an accountable basis |
| 01/20/1976 | US3934077 Viewing system |
| 01/20/1976 | US3933233 Control circuit for subscriber station in video telephone system |
| 01/13/1976 | US3932698 Multiplex signal transmission system |
| 01/06/1976 | US3931578 Multiple frequency band receiver tuner system using single, non-bandswitched local oscillator |
| 01/06/1976 | US3931512 Line data and television transmission |
| 01/06/1976 | US3931462 Stack plume visualization system |