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Class Information
Number: 725/25
Name: Interactive video distribution systems > Access control or blocking
Description: Subject matter comprising means or steps for allowing or preventing access to a video program or service, or otherwise controlling access to a receiver device.


Sub-classes under this class:

Class Number Class Name Patents
725/30 Access via pin or password 76
725/26 By mechanical lock 34
725/27 Of specific channel 71
725/28 Of specific program (e.g., based on program rating) 147
725/29 Time dependent (e.g., time spent viewing program, time of day, etc.) 61
725/31 With encryption or scrambling of video signal 269


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
7616869 Television receiver embedded with disc device and method for setting viewing limitation level thereof Nov. 10, 2009
7606465 Recording medium having data structure for managing reproduction of multiple title video data recorded thereon and recording and reproducing methods and apparatuses Oct. 20, 2009
7607022 Configurable encryption/decryption for multiple services support Oct. 20, 2009
7603559 Real-time signature embedding in video Oct. 13, 2009
7594251 Apparatus and method of managing reception state of data in digital broadcasting system Sep. 22, 2009
7594267 Stateful distributed event processing and adaptive security Sep. 22, 2009
7584493 Receiver card technology for a broadcast subscription video service Sep. 1, 2009
7577970 Multimedia content navigation and playback Aug. 18, 2009
7574718 Television having program rating function and reporting method thereof Aug. 11, 2009
7571451 Method and apparatus for performing session based conditional access Aug. 4, 2009
7571491 Television receiver and electronic device Aug. 4, 2009
7567671 Encryption method and apparatus for use in digital distribution system Jul. 28, 2009
7548620 Token provisioning Jun. 16, 2009
7546618 Lower-power standby mode for consumer electronics Jun. 9, 2009
7543317 Service activation of set-top box functionality using broadcast conditional access system Jun. 2, 2009
7543318 Delivery of navigation data for playback of audio and video content Jun. 2, 2009
7540009 Use tagging in television programs for scene filtering and alerts May. 26, 2009
7540008 Secure clock May. 26, 2009
7530088 Topology based proximity validation for broadcast content May. 5, 2009
7530085 Method and system for control of broadcast content access May. 5, 2009
7530084 Method and apparatus for synchronizing dynamic graphics May. 5, 2009
7526789 System for the transmission of audiovisual signals between source nodes and destination nodes Apr. 28, 2009
7523477 Electronic program guide with blackout recording features Apr. 21, 2009
7519627 Method for automatic deletion scheduling of the plurality of files in multi-user a digital playback system Apr. 14, 2009
7519265 Method and apparatus for making archival copies of audiovisual recordings Apr. 14, 2009
7515712 Mechanism and apparatus for encapsulation of entitlement authorization in conditional access system Apr. 7, 2009
7512963 Intelligent low-noise block down-converter Mar. 31, 2009
7512969 System and method for detecting and reporting cable network devices with duplicate media access control addresses Mar. 31, 2009
7509430 Networked video delivery system for displaying data content and video content referenced by the data content Mar. 24, 2009
7509667 Broadband content jukebox with profile-based caching Mar. 24, 2009
7505592 Apparatus for entitling and transmitting service instances to remote client devices Mar. 17, 2009
7505955 Information terminal and content storage/playback method Mar. 17, 2009
7502473 Process for managing the handling of conditional access data by at least two decoders Mar. 10, 2009
7503055 Systems and methods for advertising television networks, channels, and programs Mar. 10, 2009
7493637 Device for transmission of signal units Feb. 17, 2009
7493638 Processing terminal, receiving terminal and received data processing system Feb. 17, 2009
7490340 Selectively de-scrambling media signals Feb. 10, 2009
7457967 Hidden identification Nov. 25, 2008
7454018 Transfer of DVD decode key on a window by window basis to an attached device Nov. 18, 2008
7454772 Apparatus and method for blocking television commercials and providing an archive interrogation program Nov. 18, 2008
7448058 Method for enabling a television user to control operation of application programs on a programmable television controller Nov. 4, 2008
7444413 Authorization access controlled content exchange Oct. 28, 2008
7441037 Authorization access controlled content exchange Oct. 21, 2008
7430718 Configurable interface for template completion Sep. 30, 2008
7418599 Deterring theft of media recording devices by encrypting recorded media files Aug. 26, 2008
7406702 Broadcasting method and broadcast receiver Jul. 29, 2008
7404082 System and method for providing authorized access to digital content Jul. 22, 2008
7401232 Content playback apparatus method and program and key management apparatus and system Jul. 15, 2008
7398544 Configurable cableCARD Jul. 8, 2008
7398301 Method and apparatus for facilitating distributed delivery of content across a computer network Jul. 8, 2008

1 2 3 4 5


 
 
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