ClassID:

198679

G11B20/00275 - 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 on a chip attached to the record carrier

Recent Application in this class:
#1
20160117486
2016-04-28

Out-of band tokens for rights access

#2
20150324596
2015-11-12

Bulk data erase utilizing an encryption technique

#3
20140347968
2014-11-27

Method and system for disc authentication and security

#4
20140137207
2014-05-15

Out-of-band tokens for rights access

#5
20130236020
2013-09-12

Media storage, media reader and method for reading contents of the media storage in the media reader

#6
20120060040
2012-03-08

Flash memory distribution of digital content

#7
20120056001
2012-03-08

Optical disc

#8
20110314523
2011-12-22

Out-of-band tokens for rights access

#9
20110199189
2011-08-18

Rotation-activated electronic component with time-limited use

#10
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

#11
20110154052
2011-06-23

Media-following encryption policy control

#12
20110126279
2011-05-26

Information processing apparatus, software installing method, and recording medium

#13
20110103214
2011-05-05

DATA RECORDING MEDIUM, SERVER DEVICE USING THE SAME, AND METHOD OF MANAGING USE OF DATA RECORDING MEDIUM

#14
20100315922
2010-12-16

Rotation-activated electronic component

#15
20100313034
2010-12-09

INFORMATION PROCESSING APPARATUS, DATA RECORDING SYSTEM, INFORMATION PROCESSING METHOD, AND PROGRAM

#16
20100205456
2010-08-12

Flash memory distribution of digital content

#17
20100161994
2010-06-24

METHOD AND APPARATUS FOR AUTHENTICATING STATIC DATA CARRIERS

#18
20100085853
2010-04-08

Protecting optical media using random, moving radio frequency scatterers

#19
20100066489
2010-03-18

SECURITY-ENABLED DIGITAL MEDIA AND AUTHENTICATION METHODS THEREOF

#20
20090327761
2009-12-31

RECORDING MEDIUM, ATTACHING KIT FOR ATTACHING ENCRYPTION KEY STICKER TO THE RECORDING MEDIUM, AND RECORDING APPARATUS AND REPRODUCING APPARATUS FOR THE RECORDING MEDIUM

#21
20090282257
2009-11-12

Information processing device, disc, information processing method, and program

#22
20090240957
2009-09-24

COPY PROTECTION METHOD, CONTENT PLAYBACK APPARATUS, AND IC CHIP

#23
20090169019
2009-07-02

Method and systems using identifier tags and authenticity certificates for detecting counterfeited or stolen brand objects

#24
20090160621
2009-06-25

MULTIMEDIA ARTICLE MANAGEMENT FACILITY

#25
20090138726
2009-05-28

Authentication-secured access to a data carrier comprising a mass storage device and chip

#26
20090113556
2009-04-30

Disk protection system

#27
20090097653
2009-04-16

ENCRYPTION KEY STORED AND CARRIED BY A TAPE CARTRIDGE

#28
20090080296
2009-03-26

Optical disc

#29
20090052664
2009-02-26

Bulk data erase utilizing an encryption technique

#30
20090049311
2009-02-19

Efficient elimination of access to data on a writable storage media

#31
20090003143
2009-01-01

Recording Medium, Recording/Reproduction Apparatus and Replay Apparatus

#32
20080178284
2008-07-24

Method, system and article for dynamic authorization of access to licensed content

#33
20080163351
2008-07-03

Out-of-band tokens for rights access

#34
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

#35
20080133932
2008-06-05

Portable data support with watermark function

#36
20080101602
2008-05-01

Protection of data on media recording disks

#37
20080069355
2008-03-20

Protection of data on media recording disks

#38
20080010396
2008-01-10

Apparatus and method for managing key in library apparatus

#39
20070242579
2007-10-18

Disk/Disk Drive Management System

#40
20070240178
2007-10-11

Apparatus and method for storing digital data

#41
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

#42
20070234215
2007-10-04

User interface for creating and using media keys

#43
20070183271
2007-08-09

Optical disc recording and reproducing apparatus

#44
20070171066
2007-07-26

SECURITY-ENABLED DIGITAL MEDIA AND AUTHENTICATION METHODS THEREOF

#45
20070159329
2007-07-12

Information protection using a printed electronic circuit and laser impression

#46
20070150753
2007-06-28

Information protection using a printed electronic circuit and mechanical impression

#47
20070104054
2007-05-10

Information processing apparatus including a communication unit that communicates with an IC chip and associated methodology

#48
20070058809
2007-03-15

Protection of a digital content on a physical medium

#49
20070008169
2007-01-11

A Radio Frequency Activated Integrated Circuit and Method of Disabling the Same

#50
20060226230
2006-10-12

Bar code addressing audio playing device

#51
20060174353
2006-08-03

System using radio frequency identification (RFID) for copy management of digital media

#52
20060158766
2006-07-20

Information reproducing apparatus and information recording/reproducing apparatus

#53
20060133609
2006-06-22

Authentication tag for S/W media

#54
20060106724
2006-05-18

Protection of data on media recording disks

#55
20060104449
2006-05-18

Record carrier with distributed decryption information

#56
20060062137
2006-03-23

Method and apparatus for securely recording and storing data for later retrieval

#57
20060015752
2006-01-19

Memory having RFID tag, decryption technique for use with the memory, and memory reader or writer for use with the memory

#58
20050276576
2005-12-15

Content recording medium, method of obtaining playback-permission information, content playback method, and content playback apparatus

#59
20050254402
2005-11-17

Chip on disc record carrier with integrated power supply

#60
20050251481
2005-11-10

Flexible host system for storage media

#61
20050249108
2005-11-10

Record carrier with multiple coupling elements

#62
20050249105
2005-11-10

Data retention of integrated circuit on record carrier

#63
20050244006
2005-11-03

Record carrier with multiple built-in chips

#64
20050237886
2005-10-27

Information carrier provided with a transitional region between the clambing area and the information area

#65
20050180566
2005-08-18

System using radio frequency identification (RFID) for copy management of digital media

#66
20050086419
2005-04-21

Flash memory distribution of digital content

#67
20050063540
2005-03-24

Digital media cartridge system and method

#68
15829040
2018-06-19

Method for creating RFID copy sheets