ClassID:

198743

G11B20/00739 - 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 is associated with a specific geographical region

Recent Application in this class:
#1
20220408032
2022-12-22

Multimedia Distribution System for Multimedia Files with Packed Frames

#2
20220345643
2022-10-27

Multimedia distribution system for multimedia files with packed frames

#3
20220256102
2022-08-11

Multimedia distribution system for multimedia files with packed frames

#4
20220046188
2022-02-10

Multimedia distribution system for multimedia files with packed frames

#5
20210258514
2021-08-19

Multimedia distribution system for multimedia files with packed frames

#6
20200288069
2020-09-10

Multimedia distribution system for multimedia files with interleaved media chunks of varying types

#7
20190289226
2019-09-19

Multimedia distribution system for multimedia files with interleaved media chunks of varying types

#8
20180261247
2018-09-13

System and method for intuitive and socially aligned access control

#9
20170235927
2017-08-17

Method and system for controlling media conveyance by a device to a user based on current location of the device

#10
20160360123
2016-12-08

Multimedia distribution system for multimedia files with interleaved media chunks of varying types

#11
20150104153
2015-04-16

Multimedia distribution system for multimedia files with interleaved media chunks of varying types

#12
20150054646
2015-02-26

Vehicle-mounted electronic device

#13
20130038695
2013-02-14

PLAYBACK APPARATUS, DISPLAY APPARATUS, RECORDING APPARATUS AND STORAGE MEDIUM

#14
20120303147
2012-11-29

Systems and methods for providing access to resources through enhanced audio signals

#15
20120271442
2012-10-25

Systems and methods for providing access to resources through enhanced signals

#16
20120134498
2012-05-31

Reproducing apparatus, recording apparatus and display apparatus

#17
20120008913
2012-01-12

INFORMATION RECORDING MEDIUM, INFORMATION RECORDING/PLAYBACK METHOD, AND INFORMATION RECORDING/PLAYBACK APPARATUS

#18
20110252484
2011-10-13

Information processing apparatus, information processing system, information processing method, and program

#19
20110252058
2011-10-13

Information processing apparatus, information processing system, information processing method, and program

#20
20110238192
2011-09-29

Systems and methods for providing access to resources through enhanced audio signals

#21
20110064227
2011-03-17

Reproducing apparatus, recording apparatus and display apparatus

#22
20100235633
2010-09-16

Authentication and encryption utilizing command identifiers

#23
20100046924
2010-02-25

Reproduction device, optical disc, recording medium, program, reproduction method

#24
20100046923
2010-02-25

Reproduction device, optical disc, recording medium, program, reproduction method

#25
20100005301
2010-01-07

Authentication and encryption utilizing command identifiers

#26
20090303851
2009-12-10

Method And Apparatus For Reproducing Data And Recording Medium

#27
20090285065
2009-11-19

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

#28
20090279400
2009-11-12

INFORMATION REPRODUCING DEVICE AND METHOD, AND COMPUTER PROGRAM

#29
20090150666
2009-06-11

Information processing apparatus and license distribution system

#30
20090097386
2009-04-16

Recording medium, data use limitating method, and program

#31
20090074381
2009-03-19

Method for protection of data reproduction according to both medium protection data and apparatus protection data

#32
20090052525
2009-02-26

APPARATUS FOR PROTECTION OF DATA DECODING ACCORDING TO TRANSFERRED MEDIUM PROTECTION DATA, FIRST AND SECOND APPARATUS PROTECTION DATA AND A FILM CLASSIFICATION SYSTEM, TO DETERMINE WHETHER MAIN DATA ARE DECODED IN THEIR ENTIRETY, PARTIALLY, OR NOT AT ALL

#33
20090041131
2009-02-12

METHOD FOR PROTECTION OF DATA REPRODUCTION ACCORDING TO BOTH MEDIUM PROTECTION DATA AND APPARATUS PROTECTION DATA, INCLUDING LIMITATION OF REPRODUCTION BASED ON A FILM CLASSIFICATION SYSTEM

#34
20090034942
2009-02-05

INFORMATION RECORDING MEDIUM AND REPRODUCTION CONTROL METHOD

#35
20090031431
2009-01-29

Dynamic media zones systems and methods

#36
20080170840
2008-07-17

INFORMATION STORAGE MEDIUM, INFORMATION PLAYBACK APPARATUS, AND INFORMATION PLAYBACK METHOD

#37
20080138045
2008-06-12

Reproduction device, reproduction method, and reproduction program

#38
20080127353
2008-05-29

System and method for optical medium region protection

#39
20080109907
2008-05-08

Reproducing apparatus, recording apparatus and display apparatus

#40
20080043604
2008-02-21

Adjustment of regional code information

#41
20080005802
2008-01-03

DVD identification and managed copy authorization

#42
20070226520
2007-09-27

Information Recording Medium, Information Recording Device and Method, Information Distribution Device and Method, and Computer Program

#43
20070162712
2007-07-12

Recording medium, apparatus for reproducing data and method thereof

#44
20070162711
2007-07-12

Recording medium, apparatus for reproducing data and method thereof

#45
20070160343
2007-07-12

Playback apparatus, playback authorization server, program, and system integrated circuit

#46
20070136612
2007-06-14

Data processing apparatus and data processing method

#47
20070107064
2007-05-10

Recording method, recording apparatus, reproducing method and reproducing apparatus

#48
20070088961
2007-04-19

Data processing apparatus and data processing method

#49
20070031122
2007-02-08

INFORMATION STORAGE MEDIUM, INFORMATION PLAYBACK METHOD, INFORMATION DECODE METHOD, AND INFORMATION PLAYBACK APPARATUS

#50
20070008871
2007-01-11

Hybrid optical disc

#51
20060262710
2006-11-23

Recording medium, and method and apparatus for reproducing data from the recording medium

#52
20060195838
2006-08-31

Limiting distribution of copy-protected material to geographic regions

#53
20060098936
2006-05-11

Reproduction device, optical disc, recording medium, program, and reproduction method

#54
20050249108
2005-11-10

Record carrier with multiple coupling elements

#55
20050244006
2005-11-03

Record carrier with multiple built-in chips

#56
20050238333
2005-10-27

Information recording disc and information reproducing system

#57
20050207442
2005-09-22

Multimedia distribution system for multimedia files having subtitle information

#58
20050198115
2005-09-08

Playback apparatus and server apparatus

#59
20050185548
2005-08-25

Information access control for optical media

#60
20050165689
2005-07-28

Allowing recording based on regions

#61
20050123283
2005-06-09

File format for multiple track digital data