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Your search returned 62 patents.
( 725/27 in Current US Classification ) |
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| 1 |
| Patent ID | Title | Date Filed |
| 6597789 | Video/audio scrambling with single conversion tuners
| December 17, 1998 |
| 6473559 | Program guide system for recording television programs
| September 5, 2000 |
| 6405369 | Smart card chaining in pay television systems
| April 3, 1998 |
| 6360367 | Program-viewing inhibition device
| October 4, 1999 |
| 6321381 | Apparatus and method for improved parental control of television use
| April 26, 2000 |
| 6163345 | Method and apparatus for providing station and programming information in a multiple station broadcast system
| January 4, 1995 |
| 6144401 | Television schedule system with access control
| June 30, 1999 |
| 6094194 | Apparatus and method of providing a controller for selective blocking of cable television programming
| October 16, 1997 |
| 6072520 | System for improved parental control of television use
| June 25, 1999 |
| 6067440 | Cable services security system
| June 12, 1997 |
| 6055077 | Multimedia distribution system using fiber optic lines
| February 25, 1997 |
| 6049695 | Method and system for detecting unauthorized utilization of a cable television decoder
| December 22, 1997 |
| 6025869 | Video viewing supervision system
| August 20, 1996 |
| 5969748 | Television schedule system with access control
| May 29, 1996 |
| 5949472 | Method and apparatus for tuning channels for CATV and television applications
| December 10, 1996 |
| 5949471 | Apparatus and method for improved parental control of television use
| July 19, 1996 |
| 5900868 | Method and apparatus for multiple channel display
| April 1, 1997 |
| 5828402 | Method and apparatus for selectively blocking audio and video signals
| December 5, 1996 |
| 5757417 | Method and apparatus for screening audio-visual materials presented to a subscriber
| September 23, 1997 |
| 5710605 | Remote control unit for controlling a television and videocassette recorder with a display for allowing a user to select between various programming schedules
| January 11, 1996 |
| 5699104 | Broadcast channel lock system
| December 13, 1994 |
| 5548345 | Video viewing censoring supervision system
| January 5, 1995 |
| 5485518 | Electronic media program recognition and choice
| September 30, 1993 |
| 5465113 | Programmable channel regulating cable television controller
| December 13, 1993 |
| 5382983 | Apparatus and method for total parental control of television use
| September 8, 1993 |
| 5020129 | Addressable control system for CATV program distribution
| April 16, 1990 |
| 5001554 | Terminal authorization method
| April 20, 1989 |
| 4896354 | Image reception system
| October 11, 1985 |
| 4768229 | Restrictive access control system
| July 21, 1986 |
| 4718107 | Parental control for CATV converters
| February 14, 1986 |
| 4685131 | Program blocking method for use in direct broadcast satellite system
| March 11, 1985 |
| 4620229 | Picture display device
| April 24, 1985 |
| 4599646 | Method and apparatus for identifying unauthorized or defective converter/decoder boxes in CATV system
| May 18, 1984 |
| 4523190 | Local exchange equipment for a cable network
| July 27, 1982 |
| 4510623 | Television channel lockout
| July 23, 1982 |
| 4058830 | One way data transmission system
| June 3, 1976 |
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