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Browse by Category: Main > Information Technology
Class Information
Number: 380/211
Name: Cryptography > Video cryptography > Video electric signal modification (e.g., scrambling) > Interactive tv
Description: Subject matter including two-way communication with a TV signal source.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8677476 Providing remotely defined security data to a local application extension Mar. 18, 2014
8646001 Signal processing apparatus and methods Feb. 4, 2014
8638735 Methods, systems, and computer program products for allocating different quality of service/bandwidth allocation to subscribers having different levels of subscription service for interactive Jan. 28, 2014
8638931 Signal descrambling detector Jan. 28, 2014
8635644 Signal processing apparatus and methods Jan. 21, 2014
8619983 Digital TV conditional access system and method of using the same for transmitting and receiving digital data Dec. 31, 2013
8610827 Direct IPTV distribution Dec. 17, 2013
8613034 Signal processing apparatus and methods Dec. 17, 2013
8607296 Signal processing apparatus and methods Dec. 10, 2013
8566868 Signal processing apparatus and methods Oct. 22, 2013
8559635 Signal processing apparatus and methods Oct. 15, 2013
8561114 Method and system for ordering video content from a mobile device Oct. 15, 2013
8548167 System for traceable decryption of bandwidth-efficient broadcast of encrypted messages and security module revocation method used for securing broadcasted messages Oct. 1, 2013
8522036 Method for providing access control to media services Aug. 27, 2013
8416952 Channel family surf control Apr. 9, 2013
8413233 Authorizing local application activity using remotely defined security data Apr. 2, 2013
8385403 Digital broadcasting receiving unit and digital broadcasting system Feb. 26, 2013
8345873 Methods and systems for N-state signal processing with binary devices Jan. 1, 2013
8320746 Recorded programs ranked based on social networks Nov. 27, 2012
8321950 Delivering secure IPTV services to PC platforms Nov. 27, 2012
8311516 System for maintaining the broadcasting information in USIM unlock environment and method thereof Nov. 13, 2012
8300818 System and method for effectively protecting electronic content information Oct. 30, 2012
8281390 Remotely defining security data for authorization of local application activity Oct. 2, 2012
8276195 Management of split audio/video streams Sep. 25, 2012
8255547 Method and apparatus for file sharing between a group of user devices with separately sent crucial portions and non-crucial portions Aug. 28, 2012
8250665 Digital Broadcasting system and method of processing data in digital broadcasting system Aug. 21, 2012
8243927 Digital video receiver, ECM extract equipment, EMM extract equipment, scramble key extract equipment, CCI extract equipment, digital video receiving system, ECM extract method, EMM extract met Aug. 14, 2012
8244884 Method and apparatus for file sharing between a group of user devices with crucial portions sent via satellite and non-crucial portions sent using a peer-to-peer network Aug. 14, 2012
8213613 Device pairing Jul. 3, 2012
8189780 Content protection system May. 29, 2012
8185742 Device and method for providing video stream having integrity May. 22, 2012
8161412 Systems, methods, and computer program products for providing interactive content Apr. 17, 2012
8155191 Method and apparatus for fast mode decision of B-frames in a video encoder Apr. 10, 2012
8132252 System and method for securely transmitting data using video validation Mar. 6, 2012
8112782 Signal processing apparatus and methods Feb. 7, 2012
8055910 Reprogrammable security for controlling piracy and enabling interactive content Nov. 8, 2011
8046791 Signal processing apparatus and methods Oct. 25, 2011
8024304 Document classification toolbar Sep. 20, 2011
7992169 Signal processing apparatus and methods Aug. 2, 2011
7986781 Method for controlling access to encrypted data Jul. 26, 2011
7958527 Signal processing apparatus and methods Jun. 7, 2011
7953223 Signal processing apparatus and methods May. 31, 2011
7940931 Signal processing apparatus and methods May. 10, 2011
7930712 Apparatus and method for processing content signals from multiple signal sources Apr. 19, 2011
7899182 Digital broadcast reception apparatus Mar. 1, 2011
7889865 Signal processing apparatus and methods Feb. 15, 2011
RE42044 Recording of scrambled digital data Jan. 18, 2011
7864956 Signal processing apparatus and methods Jan. 4, 2011
7865920 Signal processing apparatus and methods Jan. 4, 2011
7860250 Apparatus for entitling and transmitting service instances to remote client devices Dec. 28, 2010

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