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Class Information
Number: 380/200
Name: Cryptography > Video cryptography
Description: Subject matter wherein a video signal representative of a time varying object or image is made unintelligible.

Sub-classes under this class:

Class Number Class Name Patents
380/201 Copy protection or prevention 1,489
380/205 Video electric signal masking 137
380/210 Video electric signal modification (e.g., scrambling) 570

Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13

Patent Number Title Of Patent Date Issued
8712047 Visual universal decryption apparatus and methods Apr. 29, 2014
8713685 PC secure video path Apr. 29, 2014
8705733 Unique identifier per chip for digital audio/video data encryption/decryption in personal video recorders Apr. 22, 2014
8705737 Video transmission method, video transmission system, and video processing apparatus Apr. 22, 2014
8706635 Use of licensed content without identification thereof Apr. 22, 2014
8707371 Method and system for an internet protocol LNB supporting positioning Apr. 22, 2014
8695057 Communications apparatus and control method therefor Apr. 8, 2014
8693687 Method and apparatus of processing three-dimensional video content Apr. 8, 2014
8689351 Playing control files for personal video recorders Apr. 1, 2014
8675872 Secure content distribution apparatus, systems, and methods Mar. 18, 2014
8666071 System and method for delivering satellite services at multiple security levels Mar. 4, 2014
8666072 Method and a system for receiving a multimedia signal, a cryptograophic entity for said reception method and system, and a method and a black box for producing said cryptographic entity Mar. 4, 2014
8666079 Decoding and encoding data Mar. 4, 2014
8656183 Federated digital rights management scheme including trusted systems Feb. 18, 2014
8644379 De-interlacing method and method of compensating a de-interlaced pixel Feb. 4, 2014
8634554 Method to enforce by a management center the access rules for a broadcast product Jan. 21, 2014
8630412 Transport of partially encrypted media Jan. 14, 2014
8630419 Apparatus and method for encrypting image data, and decrypting the encrypted image data, and image data distribution system Jan. 14, 2014
8631430 Enabling DRM-encrypted broadcast content through gateway into the home Jan. 14, 2014
8625789 Dynamic encryption Jan. 7, 2014
8625788 Method and apparatus for building a hardware root of trust and providing protected content processing within an open computing platform Jan. 7, 2014
8619982 Method and system for secure distribution of selected content to be protected on an appliance specific basis Dec. 31, 2013
8619994 System and method for providing digital contents service Dec. 31, 2013
8615780 Method and system for an internet protocol LNB supporting positioning Dec. 24, 2013
8607052 Management apparatus and copying apparatus Dec. 10, 2013
8605900 AV data receiving device, AV data receiving method, and AV data transmission and receiving system Dec. 10, 2013
8605097 Method and system for determining the compliance encrypted and non-encrypted display outputs Dec. 10, 2013
8601284 Secure connected digital media platform Dec. 3, 2013
8601504 Secure tracking system and method for video program content Dec. 3, 2013
8589509 Controlling and optimizing system latency Nov. 19, 2013
8590002 System, method and computer program product for maintaining a confidentiality of data on a network Nov. 19, 2013
8584214 Secure server certificate trust list update for client devices Nov. 12, 2013
8565423 Dynamic encryption Oct. 22, 2013
8553709 Method and system for an asymmetric PHY operation for ethernet A/V bridging and ethernet A/V bridging extensions Oct. 8, 2013
8555087 Systems and methods for content playback and recording Oct. 8, 2013
8548049 Pattern detection module, video encoding system and method for use therewith Oct. 1, 2013
8549307 Forensic marking using a common customization function Oct. 1, 2013
8549606 Device for protecting digital content, device for processing protected digital content, method for protecting digital content, method for processing protected digital content, storage medium s Oct. 1, 2013
8542825 Imparting cryptographic information in network communications Sep. 24, 2013
8543804 Adaptive security policy based scalable video service apparatus and method Sep. 24, 2013
8532291 Copy control method Sep. 10, 2013
8532287 Information processing system and information processing method for use therewith, information processing apparatus and information processing method for use therewith, and program Sep. 10, 2013
8532187 Method and apparatus for scalably encoding/decoding video signal Sep. 10, 2013
8526609 Method for real-time compositing of encrypted video streams without decryption Sep. 3, 2013
8526610 Methods and apparatus for persistent control and protection of content Sep. 3, 2013
8526612 Selective and persistent application level encryption for video provided to a client Sep. 3, 2013
8527756 Security device and building block functions Sep. 3, 2013
8522036 Method for providing access control to media services Aug. 27, 2013
8521842 Delivering composite media to a client application Aug. 27, 2013
8516603 Systems and methods providing a separable digital rights management application Aug. 20, 2013

1 2 3 4 5 6 7 8 9 10 11 12 13

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