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Class Information
Number: 380/212
Name: Cryptography > Video cryptography > Video electric signal modification (e.g., scrambling) > Plural video stream multiplexing
Description: Subject matter wherein multiple video streams are combined into a single video stream










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8666071 System and method for delivering satellite services at multiple security levels Mar. 4, 2014
8640249 Digital broadcasting conditional access system and method Jan. 28, 2014
8635644 Signal processing apparatus and methods Jan. 21, 2014
8582642 Transmitting system and receiving system for processing stream, and stream processing methods thereof Nov. 12, 2013
8584255 Networked conditional access module Nov. 12, 2013
8571214 Secure network coding for multi-resolution wireless video streaming Oct. 29, 2013
8566868 Signal processing apparatus and methods Oct. 22, 2013
8542825 Imparting cryptographic information in network communications Sep. 24, 2013
8526609 Method for real-time compositing of encrypted video streams without decryption Sep. 3, 2013
8509435 Method and system for a transport single key change point for all package identifier channels Aug. 13, 2013
8494161 Content protection message extraction Jul. 23, 2013
8472624 Generating a scrambled data stream Jun. 25, 2013
8462946 Apparatus and method for storing and reading a file having a media data container and metadata container Jun. 11, 2013
8447033 Method for protecting broadcast frame May. 21, 2013
8442110 Method for bandwidth regulation on a cable television system channel May. 14, 2013
8442228 Multi-class switching system and associated method of use May. 14, 2013
8411760 System, method, and apparatus for displaying pictures Apr. 2, 2013
8396215 Signal transmission apparatus and signal transmission method Mar. 12, 2013
8397002 Disk array apparatus Mar. 12, 2013
8392984 Provisioning/configuration systems for VPN to VPN bridging for IP video conferencing Mar. 5, 2013
8385542 Methods and apparatus for securing communications between a decryption device and a television receiver Feb. 26, 2013
8385545 Secure content key distribution using multiple distinct methods Feb. 26, 2013
8345873 Methods and systems for N-state signal processing with binary devices Jan. 1, 2013
8325916 Encryption scheme for streamed multimedia content protected by rights management system Dec. 4, 2012
8312265 Encrypting received content Nov. 13, 2012
8311220 AV data transmission apparatus and AV data transmission method Nov. 13, 2012
8306223 Method and a system for transmitting encrypted control message based on mobile multimedia broadcast Nov. 6, 2012
8301725 Variant streams for real-time or near real-time streaming Oct. 30, 2012
8284932 Imparting cryptographic information in network communications Oct. 9, 2012
8280051 Secure presentation of media streams in response to encrypted content Oct. 2, 2012
8276195 Management of split audio/video streams Sep. 25, 2012
8259735 Constant bit rate video stream Sep. 4, 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
8243923 Method and system for providing a predeactivation warning in a system having a conditional access authorization expiration in a mobile receiving device Aug. 14, 2012
8223966 Multiple stream decrypting and decoding systems and related methods thereof Jul. 17, 2012
8213522 Digital broadcast receiving apparatus, semiconductor integrated circuit, and digital broadcast receiving method Jul. 3, 2012
8204221 Manipulating and encrypting media packets Jun. 19, 2012
8205082 Domain upgrade method in digital rights management Jun. 19, 2012
8189780 Content protection system May. 29, 2012
8185742 Device and method for providing video stream having integrity May. 22, 2012
8166191 Hint based media content streaming Apr. 24, 2012
8155191 Method and apparatus for fast mode decision of B-frames in a video encoder Apr. 10, 2012
8139768 Encrypting content in a tuner device and analyzing content protection policy Mar. 20, 2012
8099473 Variant streams for real-time or near real-time streaming Jan. 17, 2012
8077863 Secret sharing apparatus, method, and program Dec. 13, 2011
8074068 Secret sharing device, method, and program Dec. 6, 2011
8068608 Video processing system for scrambling video streams with dependent portions and methods for use therewith Nov. 29, 2011
8045709 Digital broadcasting conditional access terminal and method Oct. 25, 2011
8046791 Signal processing apparatus and methods Oct. 25, 2011
8014525 Digital broadcasting transmitting system for conditional access and method thereof, and digital broadcasting receiving terminal and method thereof Sep. 6, 2011

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