G11B20/00789 - CPC Classification Index

ClassID:

198750 ⎘

G11B20/00789 - CPC Classification

Classification description:

Signal processing not specific to the method of recording or reproducing; Circuits therefor; Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of functional copies, which can be accessed at a time, e.g. electronic bookshelf concept, virtual library, video rentals or check-in/check out

Recent Application in this class:

20120311446

2012-12-06

CONTENT RECORDING DEVICE, CONTENT RECORDING METHOD, CONTENT RECORDING PROGRAM, RECORDING MEDIUM, INTEGRATED CIRCUIT AND CONTENT RECORDING AND REPRODUCTION SYSTEM

20120201516

2012-08-09

Picture control device and method of the same

20120180139

2012-07-12

INFORMATION PROCESSOR

20120079610

2012-03-29

Content management program, method and device

20100318809

2010-12-16

Method and system for controlling presentation of computer readable media on a media storage device

20090177886

2009-07-09

Storage apparatus, method for validating encrypted content and terminal apparatus

20080069204

2008-03-20

Picture control device and method of the same

20070237045

2007-10-11

Information record controlling apparatus, information record controlling method, information reproduction controlling apparatus, information reproduction controlling method, information recording medium, information record controlling program, and information reproduction controlling program