ClassID:

198682

G11B20/00297 - 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 cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier the key being stored in a management area, e.g. the video manager [VMG] of a DVD

Sub-classes:
Recent Application in this class:
#1
20140075195
2014-03-13

Protection of content based on encryption

#2
20130073872
2013-03-21

Information processing apparatus, information processing method and program

#3
20130073866
2013-03-21

Information processing apparatus, information processing method and program

#4
20100318809
2010-12-16

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

#5
20090231967
2009-09-17

RENDERING PRE-RECORDED AND ADDITIONAL CONTENT

#6
20090177886
2009-07-09

Storage apparatus, method for validating encrypted content and terminal apparatus

#7
20090103770
2009-04-23

Image data transmission system and method, and terminal apparatus and management center which constitute transmission side and reception side of the system

#8
20090089593
2009-04-02

Recording system, information processing apparatus, storage apparatus, recording method, and program

#9
20090003143
2009-01-01

Recording Medium, Recording/Reproduction Apparatus and Replay Apparatus

#10
20080151718
2008-06-26

INFORMATION STORAGE MEDIUM INCLUDING A TRACK PITCH IN A SYSTEM LEAD-IN AREA THAT IS LONGER THAN A TRACK PITCH IN A DATA LEAD-IN AREA

#11
20080016342
2008-01-17

Recording medium, content player, content player method, and computer program

#12
20070294609
2007-12-20

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

#13
20070180534
2007-08-02

Recording apparatus that records information for protecting intangible property right, recording method thereof, record medium thereof, and program thereof

#14
20070124646
2007-05-31

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

#15
20070097847
2007-05-03

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS, AND INFORMATION RECORDING AND REPRODUCING APPARATUS

#16
20070097830
2007-05-03

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS, AND INFORMATION RECORDING AND REPRODUCING APPARATUS

#17
20070097829
2007-05-03

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS, AND INFORMATION RECORDING AND REPRODUCING APPARATUS

#18
20070097828
2007-05-03

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS, AND INFORMATION RECORDING AND REPRODUCING APPARATUS

#19
20070097815
2007-05-03

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS, AND INFORMATION RECORDING AND REPRODUCING APPARATUS

#20
20070097533
2007-05-03

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS, AND INFORMATION RECORDING AND REPRODUCING APPARATUS

#21
20070091731
2007-04-26

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS, AND INFORMATION RECORDING AND REPRODUCING APPARATUS

#22
20070091496
2007-04-26

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS, AND INFORMATION RECORDING AND REPRODUCING APPARATUS

#23
20070086320
2007-04-19

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS, AND INFORMATION RECORDING AND REPRODUCING APPARATUS

#24
20070086319
2007-04-19

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS, AND INFORMATION RECORDING AND REPRODUCING APPARATUS

#25
20070086101
2007-04-19

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS, AND INFORMATION RECORDING AND REPRODUCING APPARATUS

#26
20070086100
2007-04-19

INFORMATION RECORDING MEDIUM, INFORMATION REPRODUCING APPARATUS, AND INFORMATION RECORDING AND REPRODUCING APPARATUS

#27
20070081669
2007-04-12

Information processing apparatus, information processing method, and computer program

#28
20060210074
2006-09-21

Digital recording device, digital reproduction device, digital recording/reproduction device, encryption device, decryption device, encryption method, and decryption method

#29
20050172122
2005-08-04

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

#30
20050129232
2005-06-16

Reproduction method and apparatus, and recording method and apparatus

#31
20050123271
2005-06-09

Information recording/playback processor, method, and computer readable medium storing computer executable instructions, with additional data recorded with content data