ClassID:

198689

G11B20/00347 - 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 wherein the medium identifier is used as a key

Recent Application in this class:
#1
20150046719
2015-02-12

Information processing device, information processing method, and program

#2
20130073872
2013-03-21

Information processing apparatus, information processing method and program

#3
20120224696
2012-09-06

Interoperable digital rights management

#4
20120047360
2012-02-23

Information processing device, information processing method, and program

#5
20120045062
2012-02-23

Information processing device, information processing method, and program

#6
20110286315
2011-11-24

Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk

#7
20110219228
2011-09-08

Method and device for identifying objects

#8
20110191600
2011-08-04

System, method and device for playing back recorded audio, video or other content from non-volatile memory cards, compact disks, or other media

#9
20110110517
2011-05-12

Content playback device

#10
20110007893
2011-01-13

METHOD AND APPARATUS FOR FINGERPRINTING AND COPY PROTECTING OPTICAL RECORDING MEDIA

#11
20100313010
2010-12-09

Digital data recording apparatus, digital data recording method, and computer-readable recording medium

#12
20100262838
2010-10-14

Digital data file encryption apparatus and method

#13
20100238173
2010-09-23

Compressed audio information

#14
20090323947
2009-12-31

METHOD OF CONFIRMING DRIVE UNIQUE KEY AND OPTICAL DISC RECORDING/REPRODUCING APPARATUS

#15
20090310455
2009-12-17

Optical Disc Reproducing Apparatus, In-Vehicle Optical Disc Reproducing Apparatus, In-Vehicle Optical Disc Reproducing System, and Optical Disc Reproducing Method

#16
20090279875
2009-11-12

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

#17
20090276628
2009-11-05

Digital content decrypting apparatus and operating method thereof

#18
20090276627
2009-11-05

Digital content decrypting apparatus and operating method thereof

#19
20090274297
2009-11-05

Digital content decrypting apparatus and operating method thereof

#20
20090274296
2009-11-05

Digital content decrypting apparatus and operating method thereof

#21
20090262936
2009-10-22

Digital content encrypting apparatus and operating method thereof

#22
20090262935
2009-10-22

Digital content encrypting apparatus and operating method thereof

#23
20090262934
2009-10-22

Digital content encrypting apparatus and operating method thereof

#24
20090262933
2009-10-22

Digital content encrypting apparatus and operating method thereof

#25
20090168619
2009-07-02

Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk

#26
20090164801
2009-06-25

Recording/reproducing device, communication device, program, system LSI

#27
20090052290
2009-02-26

Optical disk device and method for processing optical disk

#28
20080310292
2008-12-18

OPTICAL DISK, OPTICAL DISK RECORDING AND REPRODUCING APPARATUS, METHOD FOR RECORDING, REPRODUCING AND DELETING DATA ON OPTICAL DISK, AND INFORMATION PROCESSING SYSTEM

#29
20080276101
2008-11-06

Digital data recording apparatus, digital data recording method, and computer-readable recording medium

#30
20080165966
2008-07-10

Information recording/reproducing device

#31
20080152137
2008-06-26

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

#32
20080149700
2008-06-26

Speckle Pattern For Authenticating An Information Carrier

#33
20080137865
2008-06-12

System, method, and device for playing back recorded audio, video or other content from non-volatile memory cards, compact disks, or other media

#34
20080114992
2008-05-15

Interoperable digital rights management

#35
20080109366
2008-05-08

Rearrangement of media content while preserving digital rights management protection

#36
20080069354
2008-03-20

Information Processing Device, Information Processing Method, and Computer Program

#37
20080063203
2008-03-13

Digital data file encryption apparatus and method

#38
20080044017
2008-02-21

Copyright protection system, recording device, and reproduction device

#39
20080022095
2008-01-24

Information access control method and device and write-once medium

#40
20070237329
2007-10-11

System, method, and device for playing back recorded audio, video or other content from non-volatile memory cards, compact disks or other media

#41
20070204202
2007-08-30

Information recording disc, recording and/or reproducing device and method

#42
20070198894
2007-08-23

Information recording disc, recording and/or reproducing device and method

#43
20070198424
2007-08-23

Content playback device

#44
20070177433
2007-08-02

Method and system for data security of recording media

#45
20070168838
2007-07-19

Reproduction apparatus and method for reproducing a unique medium identifier

#46
20070127352
2007-06-07

Optical recording medium having BCA of write-once information

#47
20070124603
2007-05-31

Content reproduction system

#48
20070076873
2007-04-05

Data processing device

#49
20070009232
2007-01-11

Information processing system, information processing method, computer program executed in information processing system

#50
20060204210
2006-09-14

Content data recording apparatus with encryption by media ID

#51
20060155649
2006-07-13

Information signal reproducing apparatus, information signal outputting apparatus, information signal reproducing method, and information signal outputting method

#52
20060131407
2006-06-22

Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk

#53
20060115241
2006-06-01

Content management device and content management method for controlling transfer of content having copy control information

#54
20060079217
2006-04-13

Communication device that communicates events using compressed audio information

#55
20050254387
2005-11-17

Recording medium processing device

#56
20050234826
2005-10-20

Storage medium rental system

#57
20050232110
2005-10-20

Information recording device, method of controlling recording operation of said device, and program for controlling recording operation of said device

#58
20050209968
2005-09-22

Method and apparatus for transmitting and receiving a decoding key encoded with specific information to decode encrypted information of a record medium

#59
20050192903
2005-09-01

Method and apparatus for transmitting and receiving a decoding key encoded with specific information to decode encrypted information of a record medium

#60
20050185548
2005-08-25

Information access control for optical media

#61
20050185547
2005-08-25

Optical disk, optical disk recording and reproducing apparatus, method for recording, reproducing and deleting data on optical disk, and information processing system

#62
20050180573
2005-08-18

Access control for digital content

#63
20050177740
2005-08-11

System and method for protecting a title key in a secure distribution system for recordable media content

#64
20050177259
2005-08-11

Method and apparatus for transmitting and receiving a decoding key encoded with specific information to decode encrypted information of a record medium

#65
20050177258
2005-08-11

Method and apparatus for transmitting and receiving a decoding key encoded with specific information to decode encrypted information of a record medium

#66
20050165702
2005-07-28

Method and apparatus for transmitting and receiving a decoding key encoded with specific information to decode encrypted information of a record medium

#67
20050165701
2005-07-28

Method and apparatus for transmitting and receiving a decoding key encoded with specific information to decode encrypted information of a record medium

#68
20050163026
2005-07-28

Magneto-optical recording medium having watermark for preventing unauthorized copy

#69
20050160053
2005-07-21

Semiconductor memory card that records contents for trial and purchase, and recording apparatus, recording and reproducing apparatus, and sales method for the same

#70
20050160047
2005-07-21

Music content using apparatus

#71
20050144465
2005-06-30

Recording system and method, recording device and method, input device and method, reproduction system and method, reproduction device and method, recording medium, and program

#72
20050141711
2005-06-30

Data recording medium, data recording apparatus, data recording method, data reproduction method and data transmission apparatus

#73
20050141401
2005-06-30

ROM-RAM medium and storage device thereof

#74
20050125356
2005-06-09

Method and apparatus for decrypting encrypted data by suing copy control information and computer readable recording medium for storing program for implementing the apparatus and method

#75
20050099897
2005-05-12

Writable recording medium identification information recording method information recording device identification information reproduction method and information reproduction device

#76
20050091442
2005-04-28

Data edition method and data edition device

#77
20050083740
2005-04-21

Disc recording medium, recording method, disc drive device

#78
20050078825
2005-04-14

Encryption apparatus, decryption apparatus, secret key generation apparatus, and copyright protection system

#79
20050038997
2005-02-17

Contents recording method, recording medium and contents recording device

#80
20050025316
2005-02-03

Access control for digital content

#81
20050010795
2005-01-13

Digital data recording apparatus, digital data recording method, and computer-readable recording medium