G11B20/00478 - CPC Classification Index

ClassID:

198707 ⎘

G11B20/00478 - 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 wherein contents are decrypted and re-encrypted with a different key when being copied from/to a record carrier

Recent Application in this class:

20210385072

2021-12-09

Electronic device capable of protecting confidential data

20190260720

2019-08-22

Establishing a secure communication session with an external security processor

20160155465

2016-06-02

Video masking processing method and apparatus

20150046719

2015-02-12

Information processing device, information processing method, and program

20140298448

2014-10-02

Storage device, storage system, and authentication method

20140237255

2014-08-21

Decryption and encryption of application data

20130061063

2013-03-07

Physical digital media delivery

20130039492

2013-02-14

Content receiving terminal, content exporting and reproducing method, and recording medium

20120260349

2012-10-11

Storage device, storage system, and authentication method

#10

20120159196

2012-06-21

Information processing apparatus, information processing method, and program

#11

20120093319

2012-04-19

METHOD AND APPARATUS FOR PROTECTING DIGITAL DATA BY DOUBLE RE-ENCRYPTION

#12

20120084806

2012-04-05

Key derivation for secure communications

#13

20120047360

2012-02-23

Information processing device, information processing method, and program

#14

20120045062

2012-02-23

Information processing device, information processing method, and program

#15

20120020474

2012-01-26

RECORDING DEVICE, CONTROLLER, CONTROL METHOD OF RECORDING DEVICE

#16

20120008480

2012-01-12

Information processing device, information processing method, and program

#17

20110149708

2011-06-23

Information processing apparatus, information recording medium, information processing method, and computer program

#18

20100313010

2010-12-09

Digital data recording apparatus, digital data recording method, and computer-readable recording medium

#19

20100310075

2010-12-09

Method and system for content replication control

#20

20100199106

2010-08-05

MAGNETIC DISK APPARATUS AND CIPHER KEY UPDATING METHOD

#21

20090022320

2009-01-22

Content copying device and content copying method

#22

20080317436

2008-12-25

DIGITAL SIGNAL RECORDER WITH SELECTIVE ENCRYPTION AND KEY GENERATION

#23

20080276101

2008-11-06

Digital data recording apparatus, digital data recording method, and computer-readable recording medium

#24

20080263372

2008-10-23

Method and apparatus for transmitting content data and recording and/or reproducing apparatus

#25

20080247542

2008-10-09

Apparatus for and a method of providing content data

#26

20080092210

2008-04-17

Electronic apparatus and firmware protection method

#27

20070286421

2007-12-13

Digital content distribution system and method

#28

20070204349

2007-08-30

Physical digital media delivery

#29

20070189738

2007-08-16

Contents recorder, contents processing method, and computer readable medium storing contents processing program

#30

20070124821

2007-05-31

Information processing apparatus and encrypting/decrypting method

#31

20070100759

2007-05-03

Storage medium conversion method, non-transitory computer readable storage medium and device

#32

20070055982

2007-03-08

System and method for digital content media distribution

#33

20060288426

2006-12-21

Method and apparatus for protecting digital data by double re-encryption

#34

20060282674

2006-12-14

Data management system

#35

20060262928

2006-11-23

Method, device, and system of encrypting/decrypting data

#36

20060204210

2006-09-14

Content data recording apparatus with encryption by media ID

#37

20060143478

2006-06-29

Controller to move contents and control method thereof

#38

20060095381

2006-05-04

Reproducing apparatus and reproducing method

#39

20060029230

2006-02-09

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

#40

20060018473

2006-01-26

Method for transmission/reception of contents usage right information in encrypted form, and device thereof

#41

20050144466

2005-06-30

Apparatus and method for rendering user data

#42

20050021948

2005-01-27

Secure single drive copy method and apparatus

#43

20050010795

2005-01-13

Digital data recording apparatus, digital data recording method, and computer-readable recording medium