ClassID:

198669

G11B20/00202 - 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 measures which result in a restriction to authorised devices recording or reproducing contents to/from a record carrier wherein the copy protection scheme builds on multi-session recording, e.g. defective table of contents [TOC] in the 2nd session

Recent Application in this class:
#1
20110069592
2011-03-24

ACCESS CONTROLLED OPTICAL DISC AND METHOD THEREFOR

#2
20100296652
2010-11-25

Information recording medium and information processing method for accessing content with license or copyright protection

#3
20100177613
2010-07-15

Access Controlled Optical Disc and Method Therefor

#4
20080212441
2008-09-04

Apparatus and Method for Digital Content Concealment

#5
20070294609
2007-12-20

Recording medium, recording method and apparatus, reproducing method and apparatus, data transmitting method, and data decrypting method

#6
20070136515
2007-06-14

Formatting of optical discs

#7
20070124646
2007-05-31

RECORDING MEDIUM, RECORDING METHOD AND APPARATUS, REPRODUCING METHOD AND APPARATUS, DATA TRANSMITTING METHOD, AND DATA DECRYPTING METHOD

#8
20070021972
2007-01-25

Bluebook compliant passive protection

#9
20070002697
2007-01-04

Optical data carrier

#10
20060236403
2006-10-19

Optical media protection driver

#11
20060080742
2006-04-13

Information recording medium, information processing device, information processing method, and computer program

#12
20060069651
2006-03-30

Method and apparatus for distributing multimedia programs

#13
20050259559
2005-11-24

Access controlled optical disc and method therefor

#14
20050229013
2005-10-13

Apparatus and method for digital content concealment in a storage medium recorded using a recording device

#15
20050223240
2005-10-06

Copy protection system for data carriers

#16
20050210277
2005-09-22

Information recording medium, information processing apparatus, information processing method, and computer program

#17
20050094501
2005-05-05

Data extraction method for a multi-session optical

#18
20050021988
2005-01-27

Apparatus, method, and program product for secure data formatting and retriving, and computer readable transportable data recording medium storing the program product

#19
20050008812
2005-01-13

Copy protection of optical discs

#20
20050005141
2005-01-06

Information recording medium, information processing apparatus, information processing method, and computer program