G11B20/00282 - CPC Classification Index

ClassID:

198680 ⎘

G11B20/00282 - 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 the content area, e.g. program area, data area or user area

Sub-classes:

G11B20/00289 » {wherein the key is stored as a watermark} 20

Recent Application in this class:

20200084189

2020-03-12

Establishment of consortium blockchain network

20180227275

2018-08-09

Establishment of consortium blockchain network

20180225661

2018-08-09

CONSORTIUM BLOCKCHAIN NETWORK WITH VERIFIED BLOCKCHAIN AND CONSENSUS PROTOCOLS

20180225448

2018-08-09

Transaction processing for consortium blockchain network

20130073872

2013-03-21

Information processing apparatus, information processing method and program

20130067241

2013-03-14

CONTENTS DATA UTILIZATION SYSTEM AND METHOD, AND MOBILE COMMUNICATION TERMINAL USED FOR THE SAME

20120224696

2012-09-06

Interoperable digital rights management

20120189279

2012-07-26

METHOD FOR CONTROLLING CONTENT REPRODUCING APPARATUS AND NON-TRANSITORY COMPUTER READABLE MEDIUM STORING PROGRAM FOR CAUSING COMPUTER TO IMPLEMENT METHOD

20120134248

2012-05-31

METHOD FOR COPY PROTECTION

#10

20120020474

2012-01-26

RECORDING DEVICE, CONTROLLER, CONTROL METHOD OF RECORDING DEVICE

#11

20110126279

2011-05-26

Information processing apparatus, software installing method, and recording medium

#12

20100318809

2010-12-16

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

#13

20100238173

2010-09-23

Compressed audio information

#14

20100195973

2010-08-05

Video data reproducing apparatus and method utilizing acquired data structure including video data and related reproduction information, non-transitory recording medium containing the data structure and non-transitory recording medium storing control program for causing computer to operate as reproducing apparatus

#15

20100195971

2010-08-05

Reproducing apparatus, method for operating reproducing apparatus and non-transitory computer-readable recording medium storing control program

#16

20100189414

2010-07-29

Reproducing apparatus, method for controlling reproducing apparatus, content recording medium, and non-transitory recording medium storing control program

#17

20100189407

2010-07-29

Method and apparatus for reproducing content data, non-transitory computer-readable medium for causing the apparatus to carry out the method, and non-transitory content recording medium for causing the apparatus to carry out the method

#18

20100189406

2010-07-29

Video data reproducing apparatus and method utilizing acquired data structure including video data and related reproduction information, and non-transitory recording medium storing control program for causing computer to operate as reproducing apparatus

#19

20100138670

2010-06-03

STORAGE APPARATUS AND DATA WRITING METHOD

#20

20100118675

2010-05-13

RECORDING AND REPRODUCTION APPARATUS, REPRODUCTION APPARATUS, AND HOST APPARATUS

#21

20100027796

2010-02-04

MULTI-ENCRYPTION

#22

20100014665

2010-01-21

Remanufacture of encrypted content using a replicated medium

#23

20090323946

2009-12-31

Encryption and utilization of hard drive content

#24

20090271319

2009-10-29

Embedded Licenses for Content

#25

20090086975

2009-04-02

Flexible format media content and method for providing same

#26

20080212441

2008-09-04

Apparatus and Method for Digital Content Concealment

#27

20080168276

2008-07-10

Recording Medium, and Contents Reproduction System

#28

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

#29

20080114992

2008-05-15

Interoperable digital rights management

#30

20080027864

2008-01-31

Method and system for preventing skipping playback of a special content section of a digital media stream

#31

20080016342

2008-01-17

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

#32

20070294609

2007-12-20

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

#33

20070258349

2007-11-08

Information Recording Medium

#34

20070258339

2007-11-08

Information Recording Medium

#35

20070230309

2007-10-04

Information Recording Medium

#36

20070220194

2007-09-20

SYSTEM FOR COVERTLY STORING CONTROL INFORMATION

#37

20070198855

2007-08-23

Information Recording Media, Information Recording Device And Method, Information Distribution Device And Method, And Computer Program

#38

20070168838

2007-07-19

Reproduction apparatus and method for reproducing a unique medium identifier

#39

20070124646

2007-05-31

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

#40

20070104054

2007-05-10

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

#41

20070098157

2007-05-03

Using code as keys for copy protection

#42