ClassID:

198738

G11B20/00702 - 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 measures which prevent a specific kind of data access said measures preventing that data are recorded on the recording medium

Recent Application in this class:
#1
20180052727
2018-02-22

Tape volume overwrite protection during error recovery

#2
20160299801
2016-10-13

Tape volume overwrite protection during error recovery

#3
20140233131
2014-08-21

Protecting information written to recording medium

#4
20140143515
2014-05-22

Virtual write protection system

#5
20100318809
2010-12-16

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

#6
20100209079
2010-08-19

RECORD REPRODUCING APPARATUS

#7
20100189423
2010-07-29

RECORDING AND REPRODUCING APPARATUS, FILE ACCESSING METHOD, AV DATA MANAGING METHOD, AND SERVER

#8
20100189422
2010-07-29

RECORDING AND REPRODUCING APPARATUS, FILE ACCESSING METHOD, AV DATA MANAGING METHOD, AND SERVER

#9
20100189421
2010-07-29

RECORDING AND REPRODUCING APPARATUS, FILE ACCESSING METHOD, AV DATA MANAGING METHOD, AND SERVER

#10
20100189420
2010-07-29

RECORDING AND REPRODUCING APPARATUS, FILE ACCESSING METHOD, AV DATA MANAGING METHOD, AND SERVER

#11
20100189419
2010-07-29

RECORDING AND REPRODUCING APPARATUS, FILE ACCESSING METHOD, AV DATA MANAGING METHOD, AND SERVER

#12
20090282205
2009-11-12

Prerecorded Digital Portable Personal Stereo

#13
20090282190
2009-11-12

Data structure for control information on rewriteable data storage medium

#14
20090193258
2009-07-30

Controlling the downloading and recording of digital data

#15
20090147640
2009-06-11

Recording medium, and method and apparatus of controlling access to the recording medium

#16
20090144831
2009-06-04

Forgery-proof digital sound recording device

#17
20090109805
2009-04-30

Recording medium with overlapping segment information thereon and apparatus and methods for forming, recording on, and reproducing the recording medium

#18
20090031160
2009-01-29

DIGITAL WATERMARK INFORMATION ADDING DEVICE, DATA REPRODUCTION DEVICE AND DATA RECORDING DEVICE

#19
20090030538
2009-01-29

Prerecorded digital portable personal stereo

#20
20080232781
2008-09-25

Recording and Reproducing Apparatus File Accessing Method Av Data Managing Method, Av Data Managing Method, and Server

#21
20080181072
2008-07-31

Method and apparatus for managing disc defect using temporary DFL and temporary DDS including drive & disc information disc with temporary DFL and temporary DDS

#22
20080159099
2008-07-03

INFORMATION RECORDING MEDIUM, RECORDING/REPRODUCING METHOD AND APPARATUS, AND HOST APPARATUS

#23
20080144467
2008-06-19

INFORMATION RECORDING MEDIUM, RECORDING/REPRODUCING METHOD AND APPARATUS, AND HOST APPARATUS

#24
20080144466
2008-06-19

INFORMATION RECORDING MEDIUM, RECORDING/REPRODUCING METHOD AND APPARATUS, AND HOST APPARATUS

#25
20080144465
2008-06-19

INFORMATION RECORDING MEDIUM, RECORDING/REPRODUCING METHOD AND APPARATUS, AND HOST APPARATUS

#26
20080144464
2008-06-19

INFORMATION RECORDING MEDIUM, RECORDING/REPRODUCING METHOD AND APPARATUS, AND HOST APPARATUS

#27
20080130445
2008-06-05

Method and apparatus for managing disc defect using temporary DFL and temporary DDS including drive and disc information disc with temporary DFL and temporary DDS

#28
20080106991
2008-05-08

METHOD AND APPARATUS FOR MANAGING DISC DEFECT USING TEMPORARY DFL AND TEMPORARY DDS INCLUDING DRIVE & DISC INFORMATION DISC WITH TEMPORARY DFL AND TEMPORARY DDS

#29
20080101180
2008-05-01

Method and apparatus for managing disc defect using temporary DFL and temporary DDS including drive and disc information, and disc with temporary DFL and temporary DDS

#30
20070294714
2007-12-20

Identification-information recording system, management unit, recording unit and recording control circuit

#31
20070269185
2007-11-22

Method, apparatus, and recording medium for recording multimedia content

#32
20070226520
2007-09-27

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

#33
20070226410
2007-09-27

Recording medium with overlapping segment information thereon and apparatus and methods for forming, recording, and reproducing the recording medium

#34
20070192852
2007-08-16

Disk unit, magnetic disk unit and information storage unit

#35
20070153643
2007-07-05

Data Structure For Control Information On Data Storage Media

#36
20070147207
2007-06-28

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

#37
20070091753
2007-04-26

Information recording medium, recording/reproducing apparatus, and recording/reproducing method with write-protection function

#38
20070088954
2007-04-19

Digital watermark information adding device, data reproduction device and data recording device

#39
20070070867
2007-03-29

RFID security device for optical disc

#40
20070063846
2007-03-22

RFID security device for optical disc

#41
20070058520
2007-03-15

Recordable optical disc

#42
20070058519
2007-03-15

Recordable optical disc

#43
20070047411
2007-03-01

Method and system for verifying media compliance

#44
20060290510
2006-12-28

RFID security device for optical disc

#45
20060290509
2006-12-28

RFID security device for optical disc

#46
20060280068
2006-12-14

Virtual write protection system

#47
20060262444
2006-11-23

Controlling the downloading and recording of digital data

#48
20060206756
2006-09-14

Method and apparatus for managing disc defect using temporary DFL and temporary DDS including drive and disc information disc with temporary DFL and temporary DDS

#49
20060206755
2006-09-14

Method and apparatus for managing disc defect using temporary DFL and temporary DDS including drive & disc information disc with temporary DFL and temporary DDS

#50
20060198260
2006-09-07

Method and apparatus for managing disc defect using temporary DFL and temporary DDS including drive and disc information disc with temporary DFL and temporary DDS

#51
20060126465
2006-06-15

Recording and reproducing method and recording and reproducing device for data

#52
20060077843
2006-04-13

Recording medium for storing write protection information and write protection method thereof

#53
20060077766
2006-04-13

Data recording program, information recording medium, data recording terminal, data recording system, and data recording method

#54
20060018213
2006-01-26

Recording medium, and method and apparatus of controlling access to the recording medium

#55
20060002267
2006-01-05

Method and apparatus for managing disc defect using temporary DFL and temporary DDS including drive and disc information disc with temporary DFL and temporary DDS

#56
20050262300
2005-11-24

Worm guarantee storage device employing block write inhibition information

#57
20050249078
2005-11-10

Information recording medium, recording/reproducing method and apparatus, and host apparatus

#58
20050246765
2005-11-03

Storing apparatus and password control method

#59
20050210189
2005-09-22

Recording medium with overlapping segment information thereon and apparatus and methods for forming, recording, and reproducing the recording medium

#60
20050172122
2005-08-04

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

#61
20050169467
2005-08-04

Method and system for preventing unauthorized recording of media content in the iTunes™ environment

#62
20050135227
2005-06-23

Data structure for control information on rewriteable data storage media

#63
20050135226
2005-06-23

Data structure for control information on rewriteable data storage media

#64
20050123276
2005-06-09

Broadcast receiver and recording method

#65
20050120220
2005-06-02

Increasing integrity of watermarks using robust features

#66
20050117506
2005-06-02

Recording medium for storing write protection information and write protection method thereof

#67
20050117485
2005-06-02

Recording medium for storing write protection information and write protection method thereof

#68
20050111325
2005-05-26

Recording medium for storing write protection information and write protection method thereof

#69
20050111324
2005-05-26

Recording medium for storing write protection information and write protection method thereof

#70
20050097129
2005-05-05

Information processing apparatus, transmission apparatus, and recording medium

#71
20050073391
2005-04-07

Data processing apparatus

#72
20050025037
2005-02-03

Data media having variable control field in data units

#73
14676666
2016-07-12

Tape volume overwrite protection during error recovery