ClassID:

198672

G11B20/00224 - 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 obtained from a remote server

Recent Application in this class:
#1
20260024380
2026-01-22

TRANSFER STATIONS AND METHODS FOR TRANSFERRING AUTONOMOUS VEHICLE SENSOR DATA TO A REMOTE DATA STORAGE SERVER

#2
20200152235
2020-05-14

Encrypted data key in medium auxiliary memory

#3
20180315451
2018-11-01

METADATA PROCESSING FOR AN OPTICAL MEDIUM

#4
20180218467
2018-08-02

Secure content distribution system

#5
20170011768
2017-01-12

Method and apparatus for converting and reproducing contents in storage medium

#6
20160267614
2016-09-15

Secure content distribution system

#7
20150287432
2015-10-08

Server device, playback device and content distribution system

#8
20150178480
2015-06-25

Recording medium device, terminal device, distribution device, control method, and program recording medium

#9
20150172600
2015-06-18

Techniques for secure provisioning of a digital content protection scheme

#10
20150046719
2015-02-12

Information processing device, information processing method, and program

#11
20140324704
2014-10-30

Secure content distribution system

#12
20140075195
2014-03-13

Protection of content based on encryption

#13
20130061063
2013-03-07

Physical digital media delivery

#14
20130061053
2013-03-07

Recording medium device, terminal device, distribution device, control method, and program recording medium

#15
20120189281
2012-07-26

Playback device, content distribution system, playback method, computer program and integrated circuit

#16
20120134498
2012-05-31

Reproducing apparatus, recording apparatus and display apparatus

#17
20120119483
2012-05-17

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

#18
20120102329
2012-04-26

Content distribution and aggregation

#19
20120102317
2012-04-26

Secure content distribution

#20
20120047360
2012-02-23

Information processing device, information processing method, and program

#21
20120045062
2012-02-23

Information processing device, information processing method, and program

#22
20120002520
2012-01-05

Playback device, recording medium, playback method and program

#23
20110305435
2011-12-15

Playback device, recording medium, playback method and program

#24
20110305336
2011-12-15

INFORMATION PROCESSING APPARATUS, SERVER APPARATUS, INFORMATION PROCESSING METHOD AND PROGRAM THEREFOR

#25
20110110517
2011-05-12

Content playback device

#26
20110064227
2011-03-17

Reproducing apparatus, recording apparatus and display apparatus

#27
20110052153
2011-03-03

Reproduction device, reproduction method, and program

#28
20100318809
2010-12-16

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

#29
20100313010
2010-12-09

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

#30
20100310075
2010-12-09

Method and system for content replication control

#31
20100281275
2010-11-04

METHOD OF RECORDING CONTENT ON DISC, METHOD OF PROVIDING TITLE KEY, APPARATUS FOR RECORDING CONTENT ON DISC, AND CONTENT PROVIDING SERVER

#32
20100235633
2010-09-16

Authentication and encryption utilizing command identifiers

#33
20100226529
2010-09-09

Methods and apparatus to process imagery or audio content

#34
20100180125
2010-07-15

Information service method, information service unit, recording or reproducing controlling method, and recording and/or reproducing unit

#35
20100119108
2010-05-13

Methods and arrangements for composing information-carrying artwork

#36
20100115026
2010-05-06

CONTENT DISTRIBUTION SYSTEM AND METHOD, AND SERVER DEVICE, AND CLIENT DEVICE

#37
20100095113
2010-04-15

Secure content distribution system

#38
20100021125
2010-01-28

METHODS AND APPARATUS FOR CREATION, DISTRIBUTION AND PRESENTATION OF POLYMORPHIC MEDIA

#39
20100005301
2010-01-07

Authentication and encryption utilizing command identifiers

#40
20090300735
2009-12-03

METHOD FOR CONTROLLING ACCESS TO CONTENT ON DATA CARRIER

#41
20090279875
2009-11-12

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

#42
20090268907
2009-10-29

Optical media recording device for protecting device keys and related method

#43
20090265278
2009-10-22

Digital rights management of content when content is a future live event

#44
20090245520
2009-10-01

DIGITAL CONTENT PROTECTION METHODS

#45
20090193258
2009-07-30

Controlling the downloading and recording of digital data

#46
20090187762
2009-07-23

Terminal device, server device, and content distribution system

#47
20090172028
2009-07-02

Method and Apparatus for Providing an Auxiliary Media In a Digital Cinema Composition Playlist

#48
20090150666
2009-06-11

Information processing apparatus and license distribution system

#49
20090122672
2009-05-14

Information recording medium and recording and/or reproducing apparatus and method

#50
20090080664
2009-03-26

Method of storing broadcast contents in mobile broadcast service terminal

#51
20090074182
2009-03-19

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

#52
20090070584
2009-03-12

Method for Providing, Distributing and Engraving Digital Data and Associated Distribution Server

#53
20090063859
2009-03-05

Content distribution server and content distribution system using the same

#54
20090052735
2009-02-26

Methods and apparatus to process video and audio media

#55
20090052670
2009-02-26

METHOD AND APPARATUS FOR STORING DIGITAL CONTENT IN STORAGE DEVICE

#56
20090041419
2009-02-12

OPTICAL DISC REPRODUCTION APPARATUS AND METHOD OF CONTROLLING OPTICAL DISC REPRODUCTION APPARATUS

#57
20090003608
2009-01-01

Block-level storage device with content security

#58
20080310638
2008-12-18

Storage Medium Processing Method, Storage Medium Processing Device, and Program

#59
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

#60
20080304401
2008-12-11

INFORMATION RECORDING MEDIUM, INFORMATION RECORDING METHOD, AND INFORMATION REPRODUCING METHOD

#61
20080294908
2008-11-27

Recording Device, Content Key Processing Device, Recording Medium, and Recording Method

#62
20080276101
2008-11-06

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

#63
20080273696
2008-11-06

Use of indirect data keys for encrypted tape cartridges

#64
20080240442
2008-10-02

Managing copy protecting information of encrypted data

#65
20080222180
2008-09-11

Recording medium containing sample data and reproducing thereof

#66
20080212441
2008-09-04

Apparatus and Method for Digital Content Concealment

#67
20080154775
2008-06-26

RE-ENCRYPTING ENCRYPTED CONTENT ON A VIDEO-ON-DEMAND SYSTEM

#68
20080141039
2008-06-12

SYSTEM FOR USING A VIRTUAL TAPE ENCRYPTION FORMAT

#69
20080124058
2008-05-29

REPRODUCING APPARATUS, UPDATING CONTROL PROGRAM AND SERVER APPARATUS

#70
20080109907
2008-05-08

Reproducing apparatus, recording apparatus and display apparatus

#71
20080075284
2008-03-27

Public key media key block

#72
20080059985
2008-03-06

INFORMATION RECORDING MEDIUM AND RECORDING AND/OR REPRODUCING APPARATUS AND METHOD

#73
20070300078
2007-12-27

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

#74
20070291305
2007-12-20

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

#75
20070286421
2007-12-13

Digital content distribution system and method

#76
20070248169
2007-10-25

Method and Apparatus for Coding Information

#77
20070223705
2007-09-27

Storage Medium Processing Method, Storage Medium Processing Apparatus, and Program

#78
20070206682
2007-09-06

Method And Apparatus For Coding Information

#79
20070204349
2007-08-30

Physical digital media delivery

#80
20070198859
2007-08-23

Digital information protection system, recording medium apparatus, transmission apparatus, and playback apparatus

#81
20070198424
2007-08-23

Content playback device

#82
20070198414
2007-08-23

Method and system for selectively providing access to content

#83
20070185892
2007-08-09

Method and Apparatus for Coding Information

#84
20070183509
2007-08-09

METHOD AND APPARATUS FOR CODING INFORMATION

#85
20070177433
2007-08-02

Method and system for data security of recording media

#86
20070143594
2007-06-21

Method for distributing digital data and burning them on a DVD, client device and remote server associated

#87
20070136612
2007-06-14

Data processing apparatus and data processing method

#88
20070118765
2007-05-24

Method and system of decrypting disc

#89
20070116294
2007-05-24

Cryptographic key distribution system and method for digital video systems

#90
20070110243
2007-05-17

Data transfer system, data transfer device, data recording device and data transfer method

#91
20070110228
2007-05-17

Controlling database copyrights

#92
20070088961
2007-04-19

Data processing apparatus and data processing method

#93
20070071109
2007-03-29

Method and apparatus for coding information

#94
20070067646
2007-03-22

Recording medium, apparatus for decrypting data and method thereof

#95
20070055982
2007-03-08

System and method for digital content media distribution

#96
20070047765
2007-03-01

Methods and apparatus to process media

#97
20070019741
2007-01-25

Method and Apparatus for Coding Information

#98
20060294010
2006-12-28

Read-only recording medium containing sample data and reproducing method thereof

#99
20060294009
2006-12-28

Read-only recording medium containing sample data and reproducing method thereof

#100
20060282674
2006-12-14

Data management system

#101
20060274835
2006-12-07

METHOD AND APPARATUS FOR CODING INFORMATION

#102
20060268993
2006-11-30

Method and Apparatus for Coding Information

#103
20060262928
2006-11-23

Method, device, and system of encrypting/decrypting data

#104
20060262444
2006-11-23

Controlling the downloading and recording of digital data

#105
20060232449
2006-10-19

Retention of information about digital-media rights in transformed digital media content

#106
20060215295
2006-09-28

Recording media, recording and reproducing apparatus, and method for recording and reproducing

#107
20060210076
2006-09-21

Imaging system with respository on a distributed network

#108
20060195908
2006-08-31

Data processing circuit, reproduction apparatus, data processing method, reproduction method, storage medium in which data processing program is stored, and storage medium in which reproduction program is stored

#109
20060174138
2006-08-03

Information recording medium reproducing method, information recording medium, reproducing apparatus and information medium managing method

#110
20060168662
2006-07-27

Method and apparatus for ciphering playback mode information for recording on record medium

#111
20060159426
2006-07-20

Data transmitting method, recording medium, apparatus for reproducing data from recording medium using local storage and method thereof

#112
20060111145
2006-05-25

Mobile device that uses removable medium for playback of content

#113
20060083485
2006-04-20

Information medium, recording method, playback method, recording apparatus, and playback apparatus for digital stream signal

#114
20060048039
2006-03-02

Method, system and storage medium for increasing storage capacity

#115
20060041585
2006-02-23

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

#116
20060031172
2006-02-09

License management system, license management method, license management server, and license management software

#117
20060002565
2006-01-05

Key management system and playback apparatus

#118
20050286379
2005-12-29

System, method, and computer program for verifying data on information recording medium

#119
20050276576
2005-12-15

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

#120
20050262023
2005-11-24

Method for controlling database copyrights

#121
20050249105
2005-11-10

Data retention of integrated circuit on record carrier

#122
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

#123
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

#124
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

#125
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

#126
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

#127
20050172122
2005-08-04

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

#128
20050169467
2005-08-04

Method and system for preventing unauthorized recording of media content in the iTunes™ environment

#129
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

#130
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

#131
20050154682
2005-07-14

Secure transfer of content to writable media

#132
20050144478
2005-06-30

Content receiving/storing apparatus and content delivery system

#133
20050144466
2005-06-30

Apparatus and method for rendering user data

#134
20050141711
2005-06-30

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

#135
20050123136
2005-06-09

Motion picture file encryption method and digital rights management method using the same

#136
20050102184
2005-05-12

Content playback method, content playback apparatus, and content distribution method

#137
20050094500
2005-05-05

Optical discs with controllable access times and method of the same

#138
20050091491
2005-04-28

Block-level storage device with content security

#139
20050086488
2005-04-21

Information signal copy managing method, information signal recording method, information signal output apparatus, and recording medium

#140
20050036675
2005-02-17

Digital communication of captured three-dimensional object over a network

#141
20050018874
2005-01-27

Methods and apparatus to produce security documents

#142
20050010795
2005-01-13

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