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Class Information
Number: 380/269
Name: Cryptography > Communication system using cryptography > Having compression
Description: Subject matter wherein the quantity of data representing a signal to be communicated is reduced.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8705742 Data compression apparatus and data decompression apparatus Apr. 22, 2014
8688621 Systems and methods for information compression Apr. 1, 2014
8683571 System and method for authentication of users in a secure computer system Mar. 25, 2014
8675874 Apparatus for performing data compression processing using algebraic torus Mar. 18, 2014
8666079 Decoding and encoding data Mar. 4, 2014
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
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
8520855 Encapsulation and decapsulation for data disintegration Aug. 27, 2013
8516275 Data structure of multimedia file format, encrypting method and device thereof, and decrypting method and device thereof Aug. 20, 2013
8509440 PANA for roaming Wi-Fi access in fixed network architectures Aug. 13, 2013
8503679 Short message encryption Aug. 6, 2013
8411859 Non-deterministic number generation Apr. 2, 2013
8380683 Data conversion device, data conversion method, and program Feb. 19, 2013
8311212 Method of processing data protected against attacks by generating errors and associated device Nov. 13, 2012
8300823 Encryption and compression of data for storage Oct. 30, 2012
8300824 System and method for encrypting data using a cipher text in a communications environment Oct. 30, 2012
8275126 Apparatus and method for hash cryptography Sep. 25, 2012
8271801 Implementing data confidentiality and integrity of shingled written data Sep. 18, 2012
8266709 Adjustable resolution media format Sep. 11, 2012
8261084 Unauthorized contents detection system Sep. 4, 2012
8254575 Method for the allocation and management of subscriptions for the reception of broadcast products Aug. 28, 2012
8254576 System and method for limiting access to data Aug. 28, 2012
8243922 Digital content modification for content protection Aug. 14, 2012
8238549 Efficient full or partial duplicate fork detection and archiving Aug. 7, 2012
8233537 Efficient implementation of H.264 4 by 4 intra prediction on a VLIW processor Jul. 31, 2012
8214655 Data structure of multimedia file format, encrypting method and device thereof, and decrypting method and device thereof Jul. 3, 2012
8184691 Managing telemetry bandwidth and security May. 22, 2012
8155191 Method and apparatus for fast mode decision of B-frames in a video encoder Apr. 10, 2012
8140848 Digital watermark key generation Mar. 20, 2012
8121292 Method and apparatus for scrambling information bits on a channel in a communications system Feb. 21, 2012
8055900 Information processing apparatus, information processing system, information processing method, storage medium and program Nov. 8, 2011
8041038 System and method for decompressing and making publically available received media content Oct. 18, 2011
8037528 Enhanced server to client session inspection Oct. 11, 2011
8019349 Telephone conversation resumption system, telephone conversation resumption program, telephone conversation resumption method, portable terminal and relay apparatus Sep. 13, 2011
8005215 Table shuffle cipher system Aug. 23, 2011
7995759 System and method for parallel compression of a single data stream Aug. 9, 2011
7984306 System and method for reducing processing latency in a security appliance Jul. 19, 2011
7979904 Method, system and program product for maximizing virus check coverage while minimizing redundancy in virus checking Jul. 12, 2011
7965841 Method and apparatus for compressing and decompressing data, and computer product Jun. 21, 2011
7962413 End-user system of preventing unauthorized rerecording of multimedia content Jun. 14, 2011
7953225 Mobile wireless communications device with software installation and verification features and related methods May. 31, 2011
7953222 Method and apparatus for partially encrypting speech packets May. 31, 2011
7936877 Data transfer system, data transfer device, data recording device and data transfer method May. 3, 2011
7925886 Encryption output data generation method and system Apr. 12, 2011
7868788 System and method for encoding data based on a compression technique with security features Jan. 11, 2011
7864959 Methods and apparatus for multi-level dynamic security system Jan. 4, 2011
7809820 Optimizing encrypted wide area network traffic Oct. 5, 2010
7802100 Watermark system Sep. 21, 2010
7747876 Method and system for a recursive security protocol for digital copyright control Jun. 29, 2010
7711666 Reduction of memory usage for prime number storage by using a table of differences between a closed form numerical function and prime numbers which bounds a prime numeral between two index val May. 4, 2010

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