ClassID:

198702

G11B20/00442 - 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 encryption or decryption of contents recorded on or reproduced from a record carrier the copy protection scheme being related to a specific access protection standard content protection for recordable media [CPRM]

Recent Application in this class:
#1
20120272068
2012-10-25

CONTENT DISTRIBUTION WITH RENEWABLE CONTENT PROTECTION

#2
20120224696
2012-09-06

Interoperable digital rights management

#3
20120119483
2012-05-17

INFORMATION DISTRIBUTION SYSTEM, ITS DISTRIBUTION CENTER APPARATUS AND USER TERMINAL APPARATUS, AND INFORMATION STORAGE MEDIUM USABLE FOR THE SYSTEM

#4
20120002520
2012-01-05

Playback device, recording medium, playback method and program

#5
20100271913
2010-10-28

Information processor, optical disc failure analysis method, and computer product

#6
20100250961
2010-09-30

CONTROL DEVICE

#7
20100232598
2010-09-16

INFORMATION RECORDING MEDIUM, INFORMATION RECORDING APPARATUS AND METHOD, AND COMPUTER PROGRAM

#8
20100218000
2010-08-26

CONTENT DISTRIBUTION WITH RENEWABLE CONTENT PROTECTION

#9
20090052672
2009-02-26

System and method for protection of content stored in a storage device

#10
20090052290
2009-02-26

Optical disk device and method for processing optical disk

#11
20080152137
2008-06-26

Recording device, replay device, integrated circuit, and control program

#12
20080114992
2008-05-15

Interoperable digital rights management

#13
20080068965
2008-03-20

DATA PROCESSING APPARATUS, RECORDER AND DISK WITH MULTIPLE STORAGE LAYERS

#14
20080037379
2008-02-14

OPTICAL DISK DEVICE AND METHOD FOR GENERATING RANDOM NUMBER DATA

#15
20070300078
2007-12-27

Recording medium, and device and method for recording information on recording medium

#16
20070291305
2007-12-20

Information distribution system, its distribution center apparatus and user terminal apparatus, and information storage medium usable for the system

#17
20070248335
2007-10-25

Information Recording Medium, Information Recording Device and Method, and Computer Program

#18
20070206798
2007-09-06

Apparatus, method, and computer program product for recording content

#19
20070156596
2007-07-05

Information processing apparatus, setup method and non-transitory computer-readable recording medium on which setup program is recorded

#20
20070100759
2007-05-03

Storage medium conversion method, non-transitory computer readable storage medium and device

#21
20070002484
2007-01-04

Digital data storage system, recording devices therefor, and digital data storage method

#22
20060143478
2006-06-29

Controller to move contents and control method thereof

#23
20050108560
2005-05-19

Method of copying and decrypting encrypted digital data and apparatus therefor

#24
20050038997
2005-02-17

Contents recording method, recording medium and contents recording device