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Class Information
Number: 380/204
Name: Cryptography > Video cryptography > Copy protection or prevention > Modifying sync signal
Description: Subject matter wherein the signal for proper timing of a dynamic playback system is altered.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 8468098 |
Method and system for subscription digital rights management |
Jun. 18, 2013 |
| 8464355 |
Method and device for exchanging digital content licenses |
Jun. 11, 2013 |
| 8429081 |
Techniques for securely delivering media data |
Apr. 23, 2013 |
| 8423775 |
Circumvention of dynamic, robust, embedded-signal detection |
Apr. 16, 2013 |
| 8392333 |
Method for providing protected audio/video content |
Mar. 5, 2013 |
| 8365296 |
Information processing apparatus, information processing method and computer readable medium having a program |
Jan. 29, 2013 |
| 8340492 |
Method and system for sharing annotations in a communication network |
Dec. 25, 2012 |
| 8280049 |
Method and apparatus for synthesizing copy protection for reducing/defeating the effectiveness or capability of a circumvention device |
Oct. 2, 2012 |
| 8204271 |
Digital watermark detecting apparatus |
Jun. 19, 2012 |
| 8189856 |
System and apparatus for evaluating the reliability of a watermarking technique for a video sequence |
May. 29, 2012 |
| 8180711 |
Intellectual property trading exchange |
May. 15, 2012 |
| 8175325 |
Method and apparatus for encoding/decoding symbols carrying payload data for watermarking of an audio or video signal |
May. 8, 2012 |
| 8135646 |
Content transmission apparatus |
Mar. 13, 2012 |
| 8131645 |
System and method for processing media gifts |
Mar. 6, 2012 |
| 8108311 |
Systems and methods for constructing a local electronic medical record data store using a remote personal health record server |
Jan. 31, 2012 |
| 8099365 |
Extended data collection for multi-merchant purchasing environment for downloadable products |
Jan. 17, 2012 |
| 8095468 |
Method for providing protected audio/video content |
Jan. 10, 2012 |
| 8086536 |
Location based licensing |
Dec. 27, 2011 |
| 8073142 |
Information recording/reproducing device and information recording medium |
Dec. 6, 2011 |
| 8074081 |
Method for replacing contents of a data storage unit |
Dec. 6, 2011 |
| 8010790 |
Block-level storage device with content security |
Aug. 30, 2011 |
| 7996335 |
Information processing device, contents distribution server, license server, and method and computer program |
Aug. 9, 2011 |
| 7987142 |
Intellectual property trading exchange |
Jul. 26, 2011 |
| 7987140 |
Digital rights management of captured content based on criteria regulating a combination of elements |
Jul. 26, 2011 |
| 7966261 |
Systems and methods to distribute content over a network |
Jun. 21, 2011 |
| 7965840 |
Data transmission and reception method and data transmission and reception device |
Jun. 21, 2011 |
| 7962424 |
Overdraft licenses and license distribution |
Jun. 14, 2011 |
| 7957530 |
Method and system for ensuring secure scrambling and de-scrambling and the distribution of vectoral visual sequences |
Jun. 7, 2011 |
| 7925885 |
Method for recording and reading a code of material products for protection and control of their authenticity, and a system therefor |
Apr. 12, 2011 |
| 7899205 |
Data content identification |
Mar. 1, 2011 |
| 7900264 |
Multimedia client/server system with copy protection recovery and methods for use therewith |
Mar. 1, 2011 |
| 7873578 |
Buy once play anywhere |
Jan. 18, 2011 |
| 7870075 |
System and method for managing software development |
Jan. 11, 2011 |
| 7865057 |
Method and apparatus for conveying rights across an analog video interface |
Jan. 4, 2011 |
| 7860809 |
Methods and devices for digital media distribution |
Dec. 28, 2010 |
| 7854011 |
Method of managing digital rights |
Dec. 14, 2010 |
| 7853121 |
Recording medium, reproduction device, program, and reproduction method |
Dec. 14, 2010 |
| 7849019 |
Method and arrangement for managing licenses |
Dec. 7, 2010 |
| 7840487 |
Digital content encryption and decryption method and workflow system using digital content |
Nov. 23, 2010 |
| 7827111 |
Recording medium reproducer, cryptocommunication system and program license system |
Nov. 2, 2010 |
| 7817902 |
Apparatus and method of generating video-reproducing clock signal from 480p signal |
Oct. 19, 2010 |
| 7792293 |
Method and apparatus for modifying a subsequently generated control command in a content control system |
Sep. 7, 2010 |
| 7684567 |
Smartcard dynamic management |
Mar. 23, 2010 |
| 7672454 |
Method for copy protection of digital content |
Mar. 2, 2010 |
| 7630492 |
Secure audio stream scramble system |
Dec. 8, 2009 |
| 7620178 |
Copy protection for video signal added pulses |
Nov. 17, 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 |
| 7520002 |
Method for manipulation identification on a sensor |
Apr. 14, 2009 |
| RE40689 |
Method and apparatus for disabling anti-copy protection system in video signals |
Mar. 31, 2009 |
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