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Your search returned 85 patents.
( 725/148 in Current US Classification ) |
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| 1 |
| Patent ID | Title | Date Filed |
| 5272556 | Optical networks
| November 14, 1991 |
| 5130793 | Reconfigurable multiple-point wired in-house network for simultaneous and/or alternative distribution of several types of signals, notably baseband images, and method for the configuration of a system such as this
| July 20, 1989 |
| 5107360 | Optical transmission of RF subcarriers in adjacent signal bands
| November 5, 1990 |
| 5045940 | Video/audio transmission systsem and method
| December 22, 1989 |
| 5008934 | CATV transmission system using scrambled signals
| June 8, 1989 |
| 4959862 | Active multichannel video processing hub for optimum transition from fiber to coax
| April 28, 1988 |
| 4878245 | Control and metering system for pay television over a cable network
| January 22, 1987 |
| 4823386 | Addressable subscriber cable television system
| May 27, 1987 |
| 4733223 | Apparatus for monitoring a communications system
| March 26, 1987 |
| 4627105 | Signal transmission system and method
| June 10, 1985 |
| 4621282 | Transmitting stereo audio programs in cable TV systems
| April 26, 1985 |
| 4586081 | Method and apparatus for secure audio channel transmission in a CATV system
| April 28, 1980 |
| 4532543 | High channel density community antenna arrangement having low intermodulation products
| December 10, 1982 |
| 4412245 | Differential current detector in cable television trunk amplifier station
| October 1, 1980 |
| 4313132 | Cable TV security means
| October 31, 1979 |
| 4251691 | Picture/audio signal transmission system
| December 1, 1978 |
| 4200839 | Wired television broadcasting systems
| May 26, 1978 |
| 4135202 | Broadcasting systems with fibre optic transmission lines
| March 12, 1976 |
| 4120003 | Multiple channel CATV system utilizing row grabber interface as CATV input
| January 21, 1977 |
| 4099123 | Electrical multi-channel signal transmission systems
| September 22, 1976 |
| 4054910 | Communication system for the transmission of closed circuit television over an ordinary pair of wires
| February 26, 1976 |
| 3978282 | Apparatus and method for measuring the transmission characteristics of a network
| February 4, 1971 |
| 3914534 | Methods and apparatus for scrambling and unscrambling premium television channels
| October 29, 1973 |
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