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Class Information
Number: 380/202
Name: Cryptography > Video cryptography > Copy protection or prevention > Having origin or program id
Description: Subject matter wherein a video signal which is copy protected is supplemented by a unique identifier of a source or picture signal.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7620811 |
Server device and program management system |
Nov. 17, 2009 |
| 7617510 |
Media network using set-top boxes as nodes |
Nov. 10, 2009 |
| 7609846 |
Matching of digital images to acquisition devices |
Oct. 27, 2009 |
| 7602912 |
Content selection for partial encryption |
Oct. 13, 2009 |
| 7599927 |
Method for searching content particularly for extracts common to two computer files |
Oct. 6, 2009 |
| 7587603 |
Protecting content from illicit reproduction by proof of existence of a complete data set via self-referencing sections |
Sep. 8, 2009 |
| 7584149 |
System and method for securing data through a PDA portal |
Sep. 1, 2009 |
| 7574004 |
Image display method and image display processor |
Aug. 11, 2009 |
| 7574003 |
Recording medium, apparatus for forming the recording medium, and apparatus and method for reproducing the recording medium |
Aug. 11, 2009 |
| 7561690 |
Method and system for communicating a certificate between a security module and a server |
Jul. 14, 2009 |
| 7555123 |
Processing an MPEG elementary stream in a conditional access overlay environment |
Jun. 30, 2009 |
| 7555124 |
Secure video system for display adaptor |
Jun. 30, 2009 |
| 7555126 |
Game apparatus managing system, game apparatus, controlling method, computer program and recording medium |
Jun. 30, 2009 |
| 7546468 |
Program update method and server |
Jun. 9, 2009 |
| 7545938 |
Digital watermarking which allows tampering to be detected on a block-specific basis |
Jun. 9, 2009 |
| 7539312 |
Program update method and server |
May. 26, 2009 |
| 7535488 |
Image data verification system |
May. 19, 2009 |
| 7533062 |
Method for creating self-authenticating documents |
May. 12, 2009 |
| RE40702 |
Method for securing video images |
Apr. 21, 2009 |
| 7520002 |
Method for manipulation identification on a sensor |
Apr. 14, 2009 |
| 7512812 |
Method of securely erasing data and hard disk drive using the same |
Mar. 31, 2009 |
| 7508944 |
Using classification techniques in digital watermarking |
Mar. 24, 2009 |
| 7496197 |
Method and system for robust embedding of watermarks and steganograms in digital video content |
Feb. 24, 2009 |
| 7496198 |
Partial dual encrypted stream utilizing program map tables |
Feb. 24, 2009 |
| 7492895 |
Data recording method and apparatus, data reproducing method and apparatus, and data recording and/or reproducing system |
Feb. 17, 2009 |
| 7489780 |
Security integrated circuit |
Feb. 10, 2009 |
| 7487365 |
Saving and retrieving data based on symmetric key encryption |
Feb. 3, 2009 |
| 7472427 |
Content management method and content management apparatus |
Dec. 30, 2008 |
| 7466823 |
Digital media distribution method and system |
Dec. 16, 2008 |
| 7464401 |
Secure web access via an original CD |
Dec. 9, 2008 |
| 7421411 |
Digital rights management in a mobile communications environment |
Sep. 2, 2008 |
| 7421412 |
Computerized method and system for monitoring use of a licensed digital good |
Sep. 2, 2008 |
| 7412151 |
Detection of a watermark in a compressed video signal |
Aug. 12, 2008 |
| 7404088 |
Digital content security system |
Jul. 22, 2008 |
| 7391866 |
Broadcast apparatus and reception apparatus for providing a storage service by which scrambled content is stored and descrambled using scrambling key list |
Jun. 24, 2008 |
| 7392376 |
Security module |
Jun. 24, 2008 |
| 7389272 |
Information recording device and information reproducing device |
Jun. 17, 2008 |
| 7389428 |
Data processing system, data processing method, and program providing medium |
Jun. 17, 2008 |
| 7386515 |
Fee imposition system for application software |
Jun. 10, 2008 |
| 7380120 |
Secured data format for access control |
May. 27, 2008 |
| 7373506 |
Data authentication system |
May. 13, 2008 |
| 7359884 |
Method and apparatus for processing usage rights expressions |
Apr. 15, 2008 |
| 7356845 |
Method and apparatus for identification tagging documents in a computer system |
Apr. 8, 2008 |
| 7356513 |
Method for minimizing pirating and/or unauthorized copying and/or unauthorized access of/to data on/from data media including compact discs and digital versatile discs, and system and data med |
Apr. 8, 2008 |
| 7356511 |
Method and apparatus for marking content during distribution of the content to a client |
Apr. 8, 2008 |
| 7353205 |
Method for causing a digital product to revert to a demo mode |
Apr. 1, 2008 |
| 7353207 |
Method of altering a software product in response to predetermined events |
Apr. 1, 2008 |
| 7353211 |
Method for encrypting data and a telecommunications terminal and access authorization card |
Apr. 1, 2008 |
| 7346585 |
Computer software and services license processing method and system |
Mar. 18, 2008 |
| 7336788 |
Electronic book secure communication with home subsystem |
Feb. 26, 2008 |
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