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Class Information
Number: 725/26
Name: Interactive video distribution systems > Access control or blocking > By mechanical lock
Description: Subject matter comprising means or steps for controlling or restricting access using a physical mechanism.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7571491 |
Television receiver and electronic device |
Aug. 4, 2009 |
| 7548555 |
Data transmission apparatus and method, data receiving apparatus and method, and data transmission and reception system and method |
Jun. 16, 2009 |
| 7539421 |
Self-contained secure videoconferencing console |
May. 26, 2009 |
| 7519298 |
VWS secure/non-secure bypass switch |
Apr. 14, 2009 |
| 7519681 |
Systems, methods, and media for discovering remote user interface applications over a network |
Apr. 14, 2009 |
| 7512963 |
Intelligent low-noise block down-converter |
Mar. 31, 2009 |
| 7454018 |
Transfer of DVD decode key on a window by window basis to an attached device |
Nov. 18, 2008 |
| 7401232 |
Content playback apparatus method and program and key management apparatus and system |
Jul. 15, 2008 |
| 7370343 |
Electronic program guide with blackout features |
May. 6, 2008 |
| 7313803 |
Ratings control system with temporary override capability and store-recall feature |
Dec. 25, 2007 |
| 7284275 |
Information playback apparatus method and recording medium |
Oct. 16, 2007 |
| 7027768 |
Method and systems using a set-top box and communicating between a remote data network and a wireless communication network |
Apr. 11, 2006 |
| 6839090 |
Video reproduction apparatus |
Jan. 4, 2005 |
| 6687907 |
Prevention of broadband cable service theft |
Feb. 3, 2004 |
| 6175718 |
Apparatus and method for controlling viewing of video signals |
Jan. 16, 2001 |
| 6115057 |
Apparatus and method for allowing rating level control of the viewing of a program |
Sep. 5, 2000 |
| 6115534 |
Software carrier whose play can be controlled by the software publisher |
Sep. 5, 2000 |
| 5969774 |
Programmable remote control transmitter |
Oct. 19, 1999 |
| 5886730 |
Security system for disabling an electronic device |
Mar. 23, 1999 |
| 5250767 |
Television receiver signal blocking system |
Oct. 5, 1993 |
| 5053884 |
Control apparatus for selectively inhibiting looking/listening in CATV terminal equipment |
Oct. 1, 1991 |
| 5051837 |
Home entertainment equipment control apparatus |
Sep. 24, 1991 |
| 4993066 |
Method for television scrambling |
Feb. 12, 1991 |
| 4809013 |
Television contest-entering device |
Feb. 28, 1989 |
| 4768229 |
Restrictive access control system |
Aug. 30, 1988 |
| 4543606 |
Security device for cable television |
Sep. 24, 1985 |
| 4528589 |
Method and system for subscription television billing and access |
Jul. 9, 1985 |
| 4443815 |
Wired program distribution system tamper detector |
Apr. 17, 1984 |
| 4375651 |
Selective video reception control system |
Mar. 1, 1983 |
| 4371979 |
Method and apparatus for affording selective access to additional television channels |
Feb. 1, 1983 |
| 4313132 |
Cable TV security means |
Jan. 26, 1982 |
| 4232396 |
Television channel lock-out apparatus |
Nov. 4, 1980 |
| 4183057 |
Actuating system for a rental television |
Jan. 8, 1980 |
| 4012583 |
Pay TV control system |
Mar. 15, 1977 |
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