Patents-Review.com
ClassID:

198675 ⎘

G11B20/00246 - 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 local device, e.g. device key initially stored by the player or by the recorder

Recent Application in this class:
#1
20210385072
2021-12-09

Electronic device capable of protecting confidential data

 #2
20200411045
2020-12-31

Method of playing system stream files with different recording formats

 #3
20200143834
2020-05-07

Method of playing system stream files with different recording formats

 #4
20200143833
2020-05-07

Method of playing system stream files with different recording formats

 #5
20190207761
2019-07-04

Content individualization

 #6
20190139573
2019-05-09

Method of playing system stream files with different recording formats

 #7
20180122420
2018-05-03

Method of playing system stream files with different recording formats

 #8
20160307593
2016-10-20

Method of playing system stream files with different recording formats

 #9
20150381359
2015-12-31

Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and method

 #10
20140303840
2014-10-09

Intelligent power and control policy for automotive applications

 #11
20140237255
2014-08-21

Decryption and encryption of application data

 #12
20140121898
2014-05-01

Intelligent power and control policy for automotive applications

 #13
20140115342
2014-04-24

Information processing apparatus, information storage medium, content management system, data processing method, and computer program

 #14
20140040634
2014-02-06

Recording device, and content-data playback system

 #15
20130268771
2013-10-10

Digital rights management system and methods for accessing content from an intelligent storage

 #16
20130268749
2013-10-10

Digital rights management system and methods for provisioning content to an intelligent storage

 #17
20130266137
2013-10-10

Digital rights management system, devices, and methods for binding content to an intelligent storage device

 #18
20130236009
2013-09-12

Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and method

 #19
20130125169
2013-05-16

Data storage management and scheduling system

 #20
20130073872
2013-03-21

Information processing apparatus, information processing method and program

 #21
20120272068
2012-10-25

CONTENT DISTRIBUTION WITH RENEWABLE CONTENT PROTECTION

 #22
20120257744
2012-10-11

Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and method

 #23
20120224696
2012-09-06

Interoperable digital rights management

 #24
20120210140
2012-08-16

Information processing apparatus, information recording medium manufacturing apparatus, and information recording medium

 #25
20120169729
2012-07-05

Playback device that can play stereoscopic video, integrated circuit, playback method and program

 #26
20120102102
2012-04-26

Content providing device, data processing method, and computer program

 #27
20120057707
2012-03-08

METHOD OF ABOLISHING UNAUTHORIZED COPYING OF DIGITAL DATA STORED ON AN OPTICAL DISC

 #28
20120054488
2012-03-01

Content processing apparatus and encryption processing method

 #29
20120017283
2012-01-19

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

 #30
20110305342
2011-12-15

INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD AND PROGRAM THEREFOR

 #31
20110305336
2011-12-15

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

 #32
20110264923
2011-10-27

Method and system for secure access to non-volatile memory

 #33
20110255690
2011-10-20

Reprogrammable security for controlling piracy and enabling interactive content

 #34
20110208967
2011-08-25

Management apparatus and copying apparatus

 #35
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

 #36
20110154504
2011-06-23

MANAGEMENT SERVER DEVICE, CONTENT REPRODUCTION DEVICE, AND RECORDING MEDIUM

 #37
20110090305
2011-04-21

RECORDING MEDIUM, PLAYBACK DEVICE, AND INTEGRATED CIRCUIT

 #38
20110072276
2011-03-24

Data storage apparatus having cryption and method thereof

 #39
20100313010
2010-12-09

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

 #40
20100290619
2010-11-18

Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and method

 #41
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

 #42
20100268953
2010-10-21

Recording device, and content-data playback system

 #43
20100262838
2010-10-14

Digital data file encryption apparatus and method

 #44
20100262833
2010-10-14

Activating streaming video in a blu-ray disc player

 #45
20100246355
2010-09-30

INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND PROGRAM

 #46
20100241855
2010-09-23

Systems and Methods for Secure Execution of Code Using a Hardware Protection Module

 #47
20100235633
2010-09-16

Authentication and encryption utilizing command identifiers

 #48
20100229069
2010-09-09

DRIVE DEVICE, CONTENT REPRODUCTION DEVICE, RECORDING DEVICE, DATA READOUT METHOD, PROGRAM, RECORDING MEDIUM, AND INTEGRATED CIRCUIT

 #49
20100226628
2010-09-09

Playback device, playback method and program

 #50
20100223477
2010-09-02

CONTENT REPRODUCING DEVICE, CONTENT REPRODUCING METHOD, RECORDING MEDIUM, AND INTEGRATED CIRCUIT

 #51
20100218000
2010-08-26

CONTENT DISTRIBUTION WITH RENEWABLE CONTENT PROTECTION

 #52
20100199129
2010-08-05

Information processing apparatus, information processing method, and program

 #53
20100185872
2010-07-22

SYSTEM, METHOD AND APPARATUS FOR READING CONTENT OF EXTERNAL STORAGE DEVICE

 #54
20100174917
2010-07-08

INFORMATION RECORDING MEDIUM, REPRODUCING APPARATUS AND CUMPUTER PROGRAM

 #55
20100172630
2010-07-08

Systems and methods for performing secure playback of media content

 #56
20100153724
2010-06-17

SYSTEM AND METHOD FOR A KEY BLOCK BASED AUTHENTICATION

 #57
20100150529
2010-06-17

Playback device, playback method, playback program, and integrated circuit

 #58
20100149684
2010-06-17

DATA-STORAGE DEVICE AND ANALYSIS METHOD FOR DATA-STORAGE DEVICE

 #59
20100146551
2010-06-10

Data storage management and scheduling system

 #60
20100118675
2010-05-13

RECORDING AND REPRODUCTION APPARATUS, REPRODUCTION APPARATUS, AND HOST APPARATUS

 #61
20100054462
2010-03-04

Information playing/reproducing apparatus and method

 #62
20100039915
2010-02-18

Information processing device, data processing method, and program

 #63
20100031061
2010-02-04

Data storage device and management method of cryptographic key thereof

 #64
20100031018
2010-02-04

Information delivery system, delivery center device, user terminal device and information delivery method

 #65
20100005301
2010-01-07

Authentication and encryption utilizing command identifiers

 #66
20090323947
2009-12-31

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

 #67
20090290710
2009-11-26

UNLOCKING A PROTECTED PORTABLE STORAGE MEDIUM

 #68
20090282257
2009-11-12

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

 #69
20090276628
2009-11-05

Digital content decrypting apparatus and operating method thereof

 #70
20090276627
2009-11-05

Digital content decrypting apparatus and operating method thereof

 #71
20090274297
2009-11-05

Digital content decrypting apparatus and operating method thereof

 #72
20090274296
2009-11-05

Digital content decrypting apparatus and operating method thereof

 #73
20090268907
2009-10-29

Optical media recording device for protecting device keys and related method

 #74
20090262936
2009-10-22

Digital content encrypting apparatus and operating method thereof

 #75
20090262935
2009-10-22

Digital content encrypting apparatus and operating method thereof

 #76
20090262934
2009-10-22

Digital content encrypting apparatus and operating method thereof

 #77
20090262933
2009-10-22

Digital content encrypting apparatus and operating method thereof

 #78
20090259852
2009-10-15

Reliable storage medium access control method and device

 #79
20090238362
2009-09-24

Disc manufacturing method, data recording apparatus, information recording medium, information processing apparatus and method, and computer program

 #80
20090232314
2009-09-17

Apparatus, method, and computer program product for processing information

 #81
20090213707
2009-08-27

Recording medium and method and apparatus for recording data

 #82
20090202071
2009-08-13

RECORDING APPARATUS, REPRODUCING APPARATUS, AND COMPUTER PROGRAM PRODUCT FOR RECORDING AND REPRODUCING

 #83
20090193258
2009-07-30

Controlling the downloading and recording of digital data

 #84
20090119514
2009-05-07

CONTENT DATA STRUCTURE AND MEMORY CARD

 #85
20090113556
2009-04-30

Disk protection system

 #86
20090106562
2009-04-23

Method of protecting data saved to recording medium and data storage apparatus adopting method

 #87
20090100273
2009-04-16

Prevent data storage device circuitry swap

 #88
20090097372
2009-04-16

Content data recording/reproducing device

 #89
20090094321
2009-04-09

Content providing device, data processing method, and computer program

 #90
20090092249
2009-04-09

Media key-transformation obfuscation in advanced access content system

 #91
20090077391
2009-03-19

Method and apparatus for protecting data during storage/retrieval

 #92
20090055650
2009-02-26

CONTENT PLAYBACK DEVICE, CONTENT PLAYBACK METHOD, CONTENT PLAYBACK PROGRAM, AND INTEGRATED CIRCUIT

 #93
20090052672
2009-02-26

System and method for protection of content stored in a storage device

 #94
20090041237
2009-02-12

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

 #95
20090037748
2009-02-05

Method and apparatus for forbidding use of digital content against copy control information

 #96
20090013172
2009-01-08

Method and devices for reproducing encrypted content and approving reproduction

 #97
20080320318
2008-12-25

METHOD AND APPARATUS FOR DATA ENCRYPTION AND DECRYPTION

 #98
20080294908
2008-11-27

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

 #99
20080289050
2008-11-20

Copyright protection storage medium, information recording apparatus and information recording method, and information playback apparatus and information playback method

 #100
20080276101
2008-11-06

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

 #101
20080256369
2008-10-16

Disc drive counterfeiting countermeasure

 #102
20080247548
2008-10-09

Content processing apparatus and encryption processing method

 #103
20080240442
2008-10-02

Managing copy protecting information of encrypted data

 #104
20080226078
2008-09-18

ENABLING RECORDING AND COPYING DATA

 #105
20080226077
2008-09-18

Apparatus, method, and computer program product for playing back content

 #106
20080222180
2008-09-11

Recording medium containing sample data and reproducing thereof

 #107
20080210747
2008-09-04

Information processing apparatus, information recording medium manufacturing apparatus, and information recording medium

 #108
20080198733
2008-08-21

Information storage medium, information recording method, and information reproducing method

 #109
20080178284
2008-07-24

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

 #110
20080175389
2008-07-24

METHOD FOR MANAGING COPY PROTECTION INFORMATION OF RECORDING MEDIUM

 #111
20080168276
2008-07-10

Recording Medium, and Contents Reproduction System

 #112
20080165959
2008-07-10

Encrypted data players and encrypted data player systems

 #113
20080155700
2008-06-26

Contents distribution system

 #114
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

 #115
20080141038
2008-06-12

Digital information recording apparatus and recording/reproducing apparatus

 #116
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

 #117
20080137848
2008-06-12

Reprogrammable security for controlling piracy and enabling interactive content using revocation status

 #118
20080133938
2008-06-05

Self-protecting digital content

 #119
20080130886
2008-06-05

Content security layer providing long-term renewable security

 #120
20080114992
2008-05-15

Interoperable digital rights management

 #121
20080101604
2008-05-01

Self-protecting digital content

 #122
20080101602
2008-05-01

Protection of data on media recording disks

 #123
20080092210
2008-04-17

Electronic apparatus and firmware protection method

 #124
20080069355
2008-03-20

Protection of data on media recording disks

 #125
20080069354
2008-03-20

Information Processing Device, Information Processing Method, and Computer Program

 #126
20080063203
2008-03-13

Digital data file encryption apparatus and method

 #127
20080063200
2008-03-13

Apparatus, method, and computer program for processing information and recording medium storing computer program

 #128
20080063194
2008-03-13

Information processing device, information processing method, and computer program

 #129
20080059377
2008-03-06

METHOD FOR MANAGING COPY PROTECTION INFORMATION OF RECORDING MEDIUM

 #130
20080056493
2008-03-06

MANAGING COPY PROTECTION INFORMATION OF ENCRYPTED DATA

 #131
20080049935
2008-02-28

Interpreter using cryptographic values of a playback device's keys to authorize the playback device

 #132
20080049934
2008-02-28

Management Server Device, Content Repoduction Device, and Recording Medium

 #133
20080044017
2008-02-21

Copyright protection system, recording device, and reproduction device

 #134
20080037781
2008-02-14

Content security layer providing long-term renewable security

 #135
20080037379
2008-02-14

OPTICAL DISK DEVICE AND METHOD FOR GENERATING RANDOM NUMBER DATA

 #136
20080022131
2008-01-24

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

 #137
20080022095
2008-01-24

Information access control method and device and write-once medium

 #138
20080016576
2008-01-17

Information processing apparatus, information storage medium, content management system, data processing method, and computer program

 #139
20080013723
2008-01-17

Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and method

 #140
20080002828
2008-01-03

Information recording and reproducing apparatus and method

 #141
20080002827
2008-01-03

Information recording and reproducing apparatus and method

 #142
20070283442
2007-12-06

Recording/Reproduction Device And Content Protection System

 #143
20070282749
2007-12-06

Content distribution system

 #144
20070271471
2007-11-22

Data storage device with built-in data protection for ultra sensitive applications

 #145
20070266443
2007-11-15

Certified HDD with network validation

 #146
20070248228
2007-10-25

Audio and video recording apparatus

 #147
20070248169
2007-10-25

Method and Apparatus for Coding Information

 #148
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

 #149
20070230297
2007-10-04

Signal Processing System

 #150
20070211901
2007-09-13

APPARATUS, METHOD, AND COMPUTER PROGRAM PRODUCT FOR RECORDING CONTENTS

 #151
20070206682
2007-09-06

Method And Apparatus For Coding Information

 #152
20070201691
2007-08-30

METHOD OF STORING OR RECORDING HIGHLY CONFIDENTIAL DATA, PLAYBACK APPARATUS USING HIGHLY CONFIDENTIAL DATA, AND MEMORY STORING HIGHLY CONFIDENTIAL DATA

 #153
20070198859
2007-08-23

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

 #154
20070185892
2007-08-09

Method and Apparatus for Coding Information

 #155
20070183509
2007-08-09

METHOD AND APPARATUS FOR CODING INFORMATION

 #156
20070156596
2007-07-05

Information processing apparatus, setup method and non-transitory computer-readable recording medium on which setup program is recorded

 #157
20070154175
2007-07-05

Digital information recording-reproducing apparatus

 #158
20070147207
2007-06-28

Apparatus for, and method of, recording/playing audio data having additional information embedded therein

 #159
20070140484
2007-06-21

Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and method

 #160
20070136612
2007-06-14

Data processing apparatus and data processing method

 #161
20070124823
2007-05-31

Video image reproducing apparatus and method of managing specified information of reproducing apparatus

 #162
20070124603
2007-05-31

Content reproduction system

 #163
20070116280
2007-05-24

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

 #164
20070116278
2007-05-24

Information recording/playback apparatus and method

 #165
20070097847
2007-05-03

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

 #166
20070097830
2007-05-03

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

 #167
20070097829
2007-05-03

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

 #168
20070097828
2007-05-03

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

 #169
20070097815
2007-05-03

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

 #170
20070097533
2007-05-03

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

 #171
20070094505
2007-04-26

Content recording/reproducing system, distribution device, reproducing device, and recording device

 #172
20070094309
2007-04-26

Data transfer device

 #173
20070092078
2007-04-26

RECORDING APPARATUS, REPRODUCTION APPARATUS, DATA PROCESSING APPARATUS, RECORDING AND REPRODUCTION APPARATUS AND DATA TRANSMISSION APPARATUS AND CORRESPONDING METHODS

 #174
20070092077
2007-04-26

Recording apparatus, reproduction apparatus, data processing apparatus, recording and reproduction apparatus and data transmission apparatus and corresponding methods

 #175
20070091731
2007-04-26

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

 #176
20070091496
2007-04-26

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

 #177
20070088961
2007-04-19

Data processing apparatus and data processing method

 #178
20070086320
2007-04-19

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

 #179
20070086319
2007-04-19

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

 #180
20070086101
2007-04-19

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

 #181
20070086100
2007-04-19

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

 #182
20070083772
2007-04-12

Digital work protection system, record/playback device, recording medium device, and model change device

 #183
20070081669
2007-04-12

Information processing apparatus, information processing method, and computer program

 #184
20070071109
2007-03-29

Method and apparatus for coding information

 #185
20070050849
2007-03-01

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

 #186
20070033419
2007-02-08

Reprogrammable security for controlling piracy and enabling interactive content

 #187
20070019741
2007-01-25

Method and Apparatus for Coding Information

 #188
20070011102
2007-01-11

KEY MANAGEMENT DEVICE AND METHOD

 #189
20060294010
2006-12-28

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

 #190
20060294009
2006-12-28

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

 #191
20060282898
2006-12-14

Copyright protection system, key generation apparatus, recording apparatus, reproduction apparatus, read-out apparatus, decryption apparatus, recording medium, recording method and program

 #192
20060274835
2006-12-07

METHOD AND APPARATUS FOR CODING INFORMATION

 #193
20060268993
2006-11-30

Method and Apparatus for Coding Information

 #194
20060262928
2006-11-23

Method, device, and system of encrypting/decrypting data

 #195
20060262444
2006-11-23

Controlling the downloading and recording of digital data

 #196
20060227975
2006-10-12

Information processor, information processing method, and computer program

 #197
20060190426
2006-08-24

Data management apparatus, data management method, and storage medium

 #198
20060188099
2006-08-24

Key management system and method for the same

 #199
20060178995
2006-08-10

Secure pre-recorded digital medium

 #200
20060168357
2006-07-27

Information input/output system

 #201
20060158766
2006-07-20

Information reproducing apparatus and information recording/reproducing apparatus

 #202
20060153017
2006-07-13

Method and apparatus for protecting shared data and method and apparatus for reproducing data from recording medium using local storage

 #203
20060149973
2006-07-06

Digital information copying management apparatus

 #204
20060143481
2006-06-29

System, method, and apparatus for securely providing content viewable on a secure device

 #205
20060143478
2006-06-29

Controller to move contents and control method thereof

 #206
20060140402
2006-06-29

Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and method

 #207
20060112284
2006-05-25

Copyright management method, information recording/reproducing method and device, and information recording medium and method of manufacturing the medium

 #208
20060107047
2006-05-18

Method, device, and system of securely storing data

 #209
20060106724
2006-05-18

Protection of data on media recording disks

 #210
20060087950
2006-04-27

Reliable storage medium access control method and device

 #211
20060071824
2006-04-06

Multi-streaming apparatus and multi-streaming method using temporary storage medium

 #212
20060067529
2006-03-30

Content management method and recording medium

 #213
20060041585
2006-02-23

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

 #214
20060041510
2006-02-23

Method for a secure system of content distribution for DVD applications

 #215
20060031868
2006-02-09

Information recording medium, information recording apparatus and information reproduction apparatus for the same

 #216
20050259966
2005-11-24

Information record apparatus and method, information reproduction apparatus and method, and computer program product

 #217
20050254387
2005-11-17

Recording medium processing device

 #218
20050251481
2005-11-10

Flexible host system for storage media

 #219
20050238324
2005-10-27

Recording medium and production method, playback method, and playback device thereof

 #220
20050234826
2005-10-20

Storage medium rental system

 #221
20050210277
2005-09-22

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

 #222
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

 #223
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

 #224
20050191033
2005-09-01

Information processing system, information processing method, and computer program

 #225
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

 #226
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

 #227
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

 #228
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

 #229
20050165689
2005-07-28

Allowing recording based on regions

 #230
20050160047
2005-07-21

Music content using apparatus

 #231
20050154907
2005-07-14

Method of copying and reproducing data from storage medium

 #232
20050144470
2005-06-30

Method and apparatus for processing information, information storage medium, and computer program

 #233
20050141011
2005-06-30

Apparatus and method for recording data on and reproducing data from storage medium

 #234
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

 #235
20050105884
2005-05-19

Content play back, information processing, and play back restriction

 #236
20050094500
2005-05-05

Optical discs with controllable access times and method of the same

 #237
20050089190
2005-04-28

Recording content distribution information into an adjunct to content

 #238
20050078825
2005-04-14

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

 #239
20050078823
2005-04-14

Content recording apparatus, content recording method and hard disk apparatus

 #240
20050071661
2005-03-31

Information recording apparatus, information recording method, and digital broadcast receiver

 #241
20050069139
2005-03-31

Information-signal encrypting apparatus and information-signal decrypting apparatus

 #242
20050066139
2005-03-24

Recording apparatus and method, and communication device and method

 #243
20050055314
2005-03-10

Recording medium, information playback apparatus and method, and information recording and playback apparatus

 #244
20050038997
2005-02-17

Contents recording method, recording medium and contents recording device

 #245
20050036765
2005-02-17

Recording/reproducing apparatus for video/audio signals

 #246
20050027994
2005-02-03

Device key protection method, and encoding apparatus, decoding apparatus, video transmission apparatus and video receiving apparatus using the method

 #247
20050025464
2005-02-03

Digital information recording-reproducing apparatus

 #248
20050018854
2005-01-27

Content playback apparatus, content playback method, and program

 #249
20050013589
2005-01-20

Adding recording functionality to a media player

 #250
20050010795
2005-01-13

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

 #251
20050005141
2005-01-06

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

 #252
20050005092
2005-01-06

Method and apparatus for protecting data during storage/retrieval