G11B20/00746 - CPC Classification Index

ClassID:

198744 ⎘

G11B20/00746 - 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 a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number

Sub-classes:

G11B20/00753 » {wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags} 169
G11B20/00782 » {wherein the usage restriction limits the number of times a program can be installed} 9
G11B20/00789 » {wherein the usage restriction limits the number of functional copies, which can be accessed at a time, e.g. electronic bookshelf concept, virtual library, video rentals or check-in/check out} 17
G11B20/00797 » {wherein the usage restriction limits the number of times a content can be reproduced, e.g. using playback counters} 80
G11B20/00804 » {wherein the usage restriction limits the number of users or devices that are allowed to access a given content} 11
G11B20/00811 » {wherein said number is encoded as a cryptographic token or ticket} 5

Recent Application in this class:

20150277771

2015-10-01

Multimedia storage systems and methods

20140089515

2014-03-27

Method and system for use in coordinating multimedia devices

20130173037

2013-07-04

Content transmitting apparatus for transmitting content with copy control information, content identification information and content status information

20120311446

2012-12-06

CONTENT RECORDING DEVICE, CONTENT RECORDING METHOD, CONTENT RECORDING PROGRAM, RECORDING MEDIUM, INTEGRATED CIRCUIT AND CONTENT RECORDING AND REPRODUCTION SYSTEM

20120272068

2012-10-25

CONTENT DISTRIBUTION WITH RENEWABLE CONTENT PROTECTION

20120163149

2012-06-28

Content transmitting apparatus for transmitting content with copy control information, content identification information and content status information

20120030366

2012-02-02

Method and system for use in coordinating multimedia devices

20120011375

2012-01-12

Multimedia storage systems and methods

20110196681

2011-08-11

Transmission system

#10

20110072057

2011-03-24

Apparatus and associated methodology for automatically selecting content using stored criteria

#11

20100318809

2010-12-16

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

#12

20100218000

2010-08-26

CONTENT DISTRIBUTION WITH RENEWABLE CONTENT PROTECTION

#13

20100146640

2010-06-10

Method and device for distributing electronic documents

#14

20100027789

2010-02-04

COPY CONTROL METHOD

#15

20100008193

2010-01-14

REPRODUCTION SYSTEM

#16

20090193258

2009-07-30

Controlling the downloading and recording of digital data

#17

20090169004

2009-07-02

Multimedia storage systems and methods

#18

20090150553

2009-06-11

Method and system for use in coordinating multimedia devices

#19

20090122666

2009-05-14

Limited use memory device with associated information

#20

20080288412

2008-11-20

Method and Device For Controlling Distribution And Use of Digital Works

#21

20080089664

2008-04-17

Recording medium and apparatus for protecting copyrighted digital data

#22

20080056087

2008-03-06

Method for transmitting content with copy control information, content identification information and content status information

#23

20080013200

2008-01-17

Recording medium and apparatus for protecting copyrighted digital data

#24

20070230963

2007-10-04

Remote Control For Combination Compact Disc Recorder And Player System

#25

20070209077

2007-09-06

Processing device and associated methodology for authorized device certificate updating

#26

20070195460

2007-08-23

Recording medium, recording method, recording apparatus, reproduction apparatus, data transmission method, and server device

#27

20070180534

2007-08-02

Recording apparatus that records information for protecting intangible property right, recording method thereof, record medium thereof, and program thereof

#28

20070177433

2007-08-02

Method and system for data security of recording media

#29

20070094143

2007-04-26

Multimedia-type contents reproduction device and reproduction method, and recording medium having stored thereon data used for the same

#30

20070092078

2007-04-26

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

#31

20070092077

2007-04-26

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

#32

20070071420

2007-03-29

Recording medium and apparatus for protecting copyrighted digital data

#33

20070067650

2007-03-22

Data outputting method, data outputting apparatus, data reproducing method, data reproducing apparatus, data recording method, data recording apparatus, and record medium

#34

20070067649

2007-03-22

Data outputting method, data outputting apparatus, data reproducing method, data reproducing apparatus, data recording method, data recording apparatus, and record medium

#35

20070067648

2007-03-22

Data outputting method, data outputting apparatus, data reproducing method, data reproducing apparatus, data recording method, data recording apparatus, and record medium

#36

20070058450

2007-03-15

Limited use data storing device

#37

20070033360

2007-02-08

Copy protection apparatus and method

#38

20070016703

2007-01-18

Method for generatimg and playing back a media file

#39

20060262682

2006-11-23

Recording method, and storage medium driving apparatus

#40

20060262444

2006-11-23

Controlling the downloading and recording of digital data

#41

20060253692

2006-11-09

Limited use memory device with associated information

#42

20060239302

2006-10-26

Transmission system with apparatus for transmitting and receiving audio data auxiliary data

#43

20060188233

2006-08-24

Digital signal recording/reproducing apparatus, receiving apparatus

#44

20060174353

2006-08-03

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

#45

20060136340

2006-06-22

Post-paid billing system and method for multimedia files

#46

20060095381

2006-05-04

Reproducing apparatus and reproducing method

#47

20060087956

2006-04-27

Multi-layer optical disc format

#48

20060085814

2006-04-20

Digital content reproduction device and digital content use control method

#49

20060069651

2006-03-30

Method and apparatus for distributing multimedia programs

#50

20060044975

2006-03-02

Recording reproducing method and recording reproducing device

#51

20060015351

2006-01-19

Creating expiring copies in a check-out/check-in system

#52

20050265549

2005-12-01

Recording medium and apparatus for protecting copyrighted digital data

#53

20050251481

2005-11-10

Flexible host system for storage media

#54

20050214681

2005-09-29

Limited play optically-readable medium with liquid crystals and methodology therefor

#55

20050203926

2005-09-15

Information processing apparatus and method, and program storage medium

#56

20050198533

2005-09-08

Digital data transfer authorization method and apparatus

#57

20050180566

2005-08-18

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

#58

20050172122

2005-08-04

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

#59

20050163006

2005-07-28

Recording medium reproduction device

#60

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

#61

20050095391

2005-05-05

Recording medium, recording and reproducing method and recording and reproducing apparatus

#62

20050094516

2005-05-05

Information record medium and information writing/reading apparatus

#63

20050094500

2005-05-05

Optical discs with controllable access times and method of the same

#64

20050089164

2005-04-28

System and method for the production and distribution of copy-protected and use-protected electronic audio and visual media and the data contents thereof

#65