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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:
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Patent Number Title Of Patent Date Issued
8713596 Method and system for blocking hazardous information Apr. 29, 2014
8620734 Methods, devices and computer program products for customer operated coupon tracking Dec. 31, 2013
8572641 Media transmission system and method Oct. 29, 2013
8549553 Customizing DVR functionality Oct. 1, 2013
8503675 Cable television secure communication system for one way restricted Aug. 6, 2013
8341661 System and method for transmitting a video signal from a transmitter to a receiver and reading and writing EDID Dec. 25, 2012
8332536 Content protection continuity through authorized chains of components Dec. 11, 2012
8131646 Reprogrammable security for controlling piracy and enabling interactive content using revocation status Mar. 6, 2012
8103169 VWS secure/non-secure bypass switch Jan. 24, 2012
8091104 Method and apparatus for storing broadcast program Jan. 3, 2012
8010984 Redirection of streaming content Aug. 30, 2011
7970132 Reduced hierarchy key management system and method Jun. 28, 2011
7937725 Three-way media recommendation method and system May. 3, 2011
7930712 Apparatus and method for processing content signals from multiple signal sources Apr. 19, 2011
7913094 Information reproducing apparatus and secure module Mar. 22, 2011
7861258 Customizing DVR functionality Dec. 28, 2010
7823177 Electronic program guide with blackout features Oct. 26, 2010
7801500 Electronic device and method therefor Sep. 21, 2010
7703113 Copy protection arrangement Apr. 20, 2010
7698718 Method and system for restricting use of data in a circuit Apr. 13, 2010
7657904 Program viewing control apparatus Feb. 2, 2010
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

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