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Class Information
Number: 380/217
Name: Cryptography > Video cryptography > Video electric signal modification (e.g., scrambling) > Image data converted to digital before modification > Having compression (e.g., mpeg)
Description: Subject matter wherein the quantity of data representing the converted image data is reduced prior to further processing.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8681872 Video encoding method, and video decoding method Mar. 25, 2014
8666079 Decoding and encoding data Mar. 4, 2014
8660261 System and apparatus for integrated video/image encoding/decoding and encryption/decryption Feb. 25, 2014
8595488 Apparatus, system and method for securing digital documents in a digital appliance Nov. 26, 2013
8571215 Combined storage and transmission of scalable media Oct. 29, 2013
8571216 Eliminating plaintext video from external memory Oct. 29, 2013
8572390 Method for transmitting and receiving data, in particular for secure exchanges between an aircraft and a ground base, related devices and aircraft equipped with such devices Oct. 29, 2013
8554746 Multiple-source data compression Oct. 8, 2013
8542829 Method of and apparatus for transmitting data Sep. 24, 2013
8542825 Imparting cryptographic information in network communications Sep. 24, 2013
8532187 Method and apparatus for scalably encoding/decoding video signal Sep. 10, 2013
8526610 Methods and apparatus for persistent control and protection of content Sep. 3, 2013
8526613 Subscriber network receiving digital packets and transmitting digital packets below a predetermined maximum bit rate Sep. 3, 2013
8503671 Method and apparatus for using counter-mode encryption to protect image data in frame buffer of a video compression system Aug. 6, 2013
8504835 Method for secure remote backup Aug. 6, 2013
8483389 Graphics overlay system for multiple displays using compressed video Jul. 9, 2013
8472624 Generating a scrambled data stream Jun. 25, 2013
8472625 Method and system for protecting 3D video content Jun. 25, 2013
8462946 Apparatus and method for storing and reading a file having a media data container and metadata container Jun. 11, 2013
8457311 Protecting video as it is decoded by a codec Jun. 4, 2013
8457312 Cable length detection and signal compensation apparatus and method for a keyboard video mouse switch and extender Jun. 4, 2013
8452008 Content distributing method, apparatus and system May. 28, 2013
8447034 Method and system making it possible to protect after compression the confidentiality of the data of a video stream during its transmission May. 21, 2013
8442226 Decryption key management May. 14, 2013
8428256 Method and apparatus for efficiently fixing transformed part of content Apr. 23, 2013
8411859 Non-deterministic number generation Apr. 2, 2013
8412802 System and method to optimize data communication in a computational network Apr. 2, 2013
8406453 Security system and method of in-flight entertainment device rentals having self-contained audiovisual presentations Mar. 26, 2013
8401189 Opportunistic use of keys during encryption/decryption Mar. 19, 2013
8401188 System and method for partial encryption of frame-based electronic content Mar. 19, 2013
8385542 Methods and apparatus for securing communications between a decryption device and a television receiver Feb. 26, 2013
8379729 Content adaptive error localization to improve quality of corrupted video data streams upon decode Feb. 19, 2013
8379845 Multilayer encryption of a transport stream data and modification of a transport header Feb. 19, 2013
8369419 Systems and methods of video compression deblocking Feb. 5, 2013
8345870 Method and apparatus for encrypting encoded audio signal Jan. 1, 2013
8325919 Streaming system for distributing encrypted compressed image data, and streaming method therefor Dec. 4, 2012
8325918 Streaming system for distributing encrypted compressed image data, and streaming method therefor Dec. 4, 2012
8325917 Reproducing device, recording device, recording medium, data processing method, data processing program, data recording method, data recording program, and integrated circuit Dec. 4, 2012
8312499 Tunneling information in compressed audio and/or video bit streams Nov. 13, 2012
8306224 Transmitter apparatus for MPEG-4 IPMP extended ISMA media stream Nov. 6, 2012
8306393 Information recording apparatus, information copying system, method for copying information, program and computer readable recording medium Nov. 6, 2012
8301697 Adaptive streaming of conference media and data Oct. 30, 2012
8290058 Method and device for coding and decoding Oct. 16, 2012
8291103 Method and system for streaming multimedia transmissions Oct. 16, 2012
8284932 Imparting cryptographic information in network communications Oct. 9, 2012
8276195 Management of split audio/video streams Sep. 25, 2012
8272067 Protecting commercials within encoded video content Sep. 18, 2012
8265135 Method and apparatus for video processing Sep. 11, 2012
8261075 Method for secure remote backup Sep. 4, 2012
8255701 File encryption method Aug. 28, 2012

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