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Class Information
Number: 380/231
Name: Cryptography > Video cryptography > Video electric signal modification (e.g., scrambling) > Usage or charge determination
Description: Subject matter including determining the amount of use or a cost associated therewith in making the modified video signal intelligible.










Sub-classes under this class:

Class Number Class Name Patents
380/232 Including authentication 210
380/234 Including display of supplemental information 70
380/233 Including usage or charge recording at subscriber station 92


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8706635 Use of licensed content without identification thereof Apr. 22, 2014
8677507 Systems and methods for secure transaction management and electronic rights protection Mar. 18, 2014
8671461 System, apparatus, and media for granting access to and utilizing content Mar. 11, 2014
8667289 System for controlling the distribution and use of rendered digital works through watermarking Mar. 4, 2014
8656178 Method, system and program product for modifying content usage conditions during content distribution Feb. 18, 2014
8627416 Device-specific authorization at distributed locations Jan. 7, 2014
8627507 System and method for multimedia data validation Jan. 7, 2014
8601503 Detecting distribution of multimedia content Dec. 3, 2013
8590056 Trusted infrastructure support systems, methods and techniques for secure electronic commerce electronic transactions and rights management Nov. 19, 2013
8571993 Reprogrammable security for controlling piracy and enabling interactive content Oct. 29, 2013
8561211 System and method for enhanced piracy protection in a wireless personal communication device Oct. 15, 2013
8538011 Systems, methods and devices for trusted transactions Sep. 17, 2013
8533854 Systems and methods for secure transaction management and electronic rights protection Sep. 10, 2013
8453247 Apparatus, system and method for providing security service in home network May. 28, 2013
8438388 Method and apparatus for distributing certificate revocation lists (CRLs) to nodes in an ad hoc network May. 7, 2013
8422676 Read/write encrypted media and method of playing Apr. 16, 2013
8412151 Payback calling plan Apr. 2, 2013
8401190 Portable security module pairing Mar. 19, 2013
8396801 Method for remote review of clinical data over a vulnerable system Mar. 12, 2013
8396802 System for remote review of clinical data over a vulnerable system Mar. 12, 2013
8396803 Medical data encryption for communication over a vulnerable system Mar. 12, 2013
8396804 System for remote review of clinical data Mar. 12, 2013
8380631 Communication of emergency medical data over a vulnerable system Feb. 19, 2013
8375079 Coordinated operation method, and communication terminal device Feb. 12, 2013
8370499 Self-service terminal Feb. 5, 2013
8359609 Detecting distribution of multimedia content Jan. 22, 2013
8353046 System and method for delivery of a modular operating system Jan. 8, 2013
8332260 Automatically adaptive pricing for digital goods Dec. 11, 2012
8307447 Method and apparatus for making system constraint of a specified permission in the digital rights management Nov. 6, 2012
8280351 Automatic device authentication and account identification without user input when application is started on mobile station Oct. 2, 2012
8280346 Usage measurement collection and analysis to dynamically regulate customer network usage Oct. 2, 2012
8261327 Device-specific authorization at distributed locations Sep. 4, 2012
8261097 Data recorder having data encryption function and data reproducing device Sep. 4, 2012
8261073 Digital rights management method and apparatus Sep. 4, 2012
8260709 Medical data encryption for communication over a vulnerable system Sep. 4, 2012
8260708 Usage metering based upon hardware aging Sep. 4, 2012
8260657 Dynamic pricing of electronic content Sep. 4, 2012
8238553 Steganographic method and device Aug. 7, 2012
8234217 Method and system for selectively providing access to content Jul. 31, 2012
8205089 System for controlling the distribution and use of rendered digital works through watermarking Jun. 19, 2012
8196194 Method and network for securely delivering streaming data Jun. 5, 2012
8185965 System and method for enhanced piracy protection in a wireless personal communication device May. 22, 2012
8160250 Monitoring usage of encrypted broadcast services Apr. 17, 2012
8161532 Operating system independent architecture for subscription computing Apr. 17, 2012
8140439 Method and apparatus for enabling digital rights management in file transfers Mar. 20, 2012
8131646 Reprogrammable security for controlling piracy and enabling interactive content using revocation status Mar. 6, 2012
8098820 Conditional access system for broadcast digital television Jan. 17, 2012
8095949 Electronic book with restricted access features Jan. 10, 2012
8082582 Authorization system of navigation device and associated authorization method Dec. 20, 2011
8055237 Usage measurement collection and analysis to dynamically regulate customer network usage Nov. 8, 2011

1 2 3 4 5










 
 
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