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Your search returned 50 patents.
( 380/233 in Current US Classification ) |
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| Patent ID | Title | Date Filed |
| 5758257 | System and method for scheduling broadcast of and access to video programs and other data using customer profiles
| November 29, 1994 |
| 5727065 | Deferred billing, broadcast, electronic document distribution system and method
| June 5, 1997 |
| 5345505 | Coding system for a data signal
| March 5, 1993 |
| 5204900 | Coding system for descrambling video
| March 4, 1991 |
| 5081680 | Initial reporting of remotely generated data
| November 8, 1989 |
| 5016272 | Home video system
| June 16, 1989 |
| 4975951 | IPPV programming distribution control system
| February 26, 1990 |
| 4965825 | Signal processing apparatus and methods
| September 11, 1987 |
| 4916737 | Secure anti-piracy encoded television system and method
| November 14, 1988 |
| 4833710 | Pay television system
| December 3, 1987 |
| 4823385 | System for processing coded information
| December 11, 1987 |
| 4797918 | Subscription control for television programming
| April 15, 1987 |
| 4710955 | Cable television system with two-way telephone communication path
| November 25, 1985 |
| 4268860 | Television subscriber apparatus
| September 25, 1974 |
| 4250524 | Validation apparatus in a pay television system
| February 22, 1979 |
| 4225884 | Method and system for subscription television billing and access
| June 30, 1978 |
| 4163255 | Billing method and system for a subscriber of a pay television system
| June 15, 1978 |
| 4163254 | Method and system for subscription television billing and access
| February 14, 1977 |
| 4115807 | Telephone billing apparatus for a subscription television system
| November 1, 1976 |
| 4091417 | Decoder mode validation apparatus for pay television systems
| February 23, 1977 |
| 4068264 | Pay television system utilizing binary coding
| July 19, 1976 |
| 4024574 | Validation method and apparatus for pay television systems
| February 26, 1975 |
| 3914534 | Methods and apparatus for scrambling and unscrambling premium television channels
| October 29, 1973 |
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