G11B20/00144 - CPC Classification Index

#1

20200273496

2020-08-27

Method and system for watermarking video media to trace video distribution

#2

20180308520

2018-10-25

METHOD AND SYSTEM FOR WATERMARKING VIDEO MEDIA TO TRACE VIDEO DISTRIBUTION

#3

20180261247

2018-09-13

System and method for intuitive and socially aligned access control

#4

20150380046

2015-12-31

Optional data encryption by partition for a partitionable data storage library

#5

20120255032

2012-10-04

Method, a system and an apparatus for delivering media layers

#6

20120102102

2012-04-26

Content providing device, data processing method, and computer program

#7

20110286315

2011-11-24

Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk

#8

20110138481

2011-06-09

RECORDING MEDIUM, AND RECORDING/REPRODUCING METHOD AND RECORDING/REPRODUCING APPARATUS FOR RECORDING MEDIUM

#9

20110010537

2011-01-13

Data recording device, data recording method to be used in same, and data record controlling computer program

#10

20100322035

2010-12-23

Audio-based, location-related methods

#11

20100318809

2010-12-16

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

#12

20100265617

2010-10-21

MAGNETIC HEAD

#13

20100262838

2010-10-14

Digital data file encryption apparatus and method

#14

20100138012

2010-06-03

Methods and devices responsive to ambient audio

#15

20100046744

2010-02-25

Methods and devices responsive to ambient audio

#16

20100036881

2010-02-11

Portable audio appliance

#17

20090316565

2009-12-24

Method and system for activation of an optical article

#18

20090276628

2009-11-05

Digital content decrypting apparatus and operating method thereof

#19

20090276627

2009-11-05

Digital content decrypting apparatus and operating method thereof

#20

20090274297

2009-11-05

Digital content decrypting apparatus and operating method thereof

#21

20090274296

2009-11-05

Digital content decrypting apparatus and operating method thereof

#22

20090262936

2009-10-22

Digital content encrypting apparatus and operating method thereof

#23

20090262935

2009-10-22

Digital content encrypting apparatus and operating method thereof

#24

20090262934

2009-10-22

Digital content encrypting apparatus and operating method thereof

#25

20090262933

2009-10-22

Digital content encrypting apparatus and operating method thereof

#26

20090217387

2009-08-27

COPY LIMITATION MANAGEMENT DEVICE AND METHOD, AND CONTENT STORAGE DEVICE

#27

20090193258

2009-07-30

Controlling the downloading and recording of digital data

#28

20090177886

2009-07-09

Storage apparatus, method for validating encrypted content and terminal apparatus

#29

20090168619

2009-07-02

Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk

#30

20090148133

2009-06-11

Content playback apparatus

#31

20090116668

2009-05-07

Method, a system and an apparatus for delivering media layers

#32

20090103770

2009-04-23

Image data transmission system and method, and terminal apparatus and management center which constitute transmission side and reception side of the system

#33

20090100501

2009-04-16

Content Providing System, Content Providing Method, and Optical Disk

#34

20090094321

2009-04-09

Content providing device, data processing method, and computer program

#35

20090022477

2009-01-22

RECORDING BROADCAST DIGITAL CONTENT IN A PRIVACY PRESERVING WAY

#36

20090003143

2009-01-01

Recording Medium, Recording/Reproduction Apparatus and Replay Apparatus

#37

20080247731

2008-10-09

Contents reproduction device, contents reproduction control method, program

#38

20080205849

2008-08-28

SYSTEMS FOR CONTROLLING ACCESS TO LOCKED CONTENT CONTAINED IN A RECORDING MEDIUM

#39

20080205228

2008-08-28

Information Protection System, Recording Medium to be Used Therefor and Storage Medium Storage Case

#40

20080130058

2008-06-05

METHOD OF PROTECTING DIGITAL DATA BY UTILIZING AN EMBEDDED WATERMARK

#41

20080092243

2008-04-17

Information managing apparatus and method, recording medium, and program

#42

20080063203

2008-03-13

Digital data file encryption apparatus and method

#43

20080028223

2008-01-31

Visual content-based internet search methods and sub-combinations

#44

20070291979

2007-12-20

Efficient application of video marking technologies

#45

20070288713

2007-12-13

Data Recording/Reproducing Device and Method

#46

20070283448

2007-12-06

Watermarking in an audiovisual product

#47

20070204097

2007-08-30

Downloading system

#48

20070198371

2007-08-23

Recording/reproducing device and recording/reproducing method

#49

20070195447

2007-08-23

Optional data encryption by partition for a partitionable data storage library

#50

20070185840

2007-08-09

Audio-based internet search methods and sub-combinations

#51

20070168870

2007-07-19

Content management system and content management method

#52

20070168673

2007-07-19

Method of allocating payload bits of a watermark

#53

20070083772

2007-04-12

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

#54

20070071416

2007-03-29

Image management apparatus and method

#55

20070055982

2007-03-08

System and method for digital content media distribution

#56

20070008845

2007-01-11

Optical disk apparatus

#57

20060277411

2006-12-07

Security and storage system and method

#58

20060262444

2006-11-23

Controlling the downloading and recording of digital data

#59

20060257001

2006-11-16

Methods and apparatus for tamper detection in watermarking systems

#60

20060174348

2006-08-03

Methods and devices responsive to ambient audio

#61

20060131407

2006-06-22

Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk

#62

20060062137

2006-03-23

Method and apparatus for securely recording and storing data for later retrieval

#63

20060007820

2006-01-12

Digital audio recorder for CD collections

#64

20050240958

2005-10-27

Method and apparatus for on-demand multimedia rental and sales services

#65

20050237872

2005-10-27

MVC-003U method and system for multiple read/write heads for transferring date to/from a storage medium

#66

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

#67

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

#68

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

#69

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

#70

20050172122

2005-08-04

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

#71

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

#72

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

#73

20050075981

2005-04-07

Information managing apparatus and method, recording medium, and program