ClassID:

198712

G11B20/00514 - 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 characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted wherein the entire content is encrypted with the same key, e.g. disc key or master key

Recent Application in this class:
#1
20200411045
2020-12-31

Method of playing system stream files with different recording formats

#2
20200143834
2020-05-07

Method of playing system stream files with different recording formats

#3
20200143833
2020-05-07

Method of playing system stream files with different recording formats

#4
20190139573
2019-05-09

Method of playing system stream files with different recording formats

#5
20180122420
2018-05-03

Method of playing system stream files with different recording formats

#6
20160307593
2016-10-20

Method of playing system stream files with different recording formats

#7
20090193258
2009-07-30

Controlling the downloading and recording of digital data

#8
20080168276
2008-07-10

Recording Medium, and Contents Reproduction System

#9
20080163326
2008-07-03

Portable Video Hard-Disk Drive (pVHDD) System

#10
20080141045
2008-06-12

Data management system, data processing system, and computer-readable medium having on which data management program is recorded

#11
20080141044
2008-06-12

Data management system, data processing system, and computer-readable medium having on which data management program is recorded

#12
20080044017
2008-02-21

Copyright protection system, recording device, and reproduction device

#13
20070239608
2007-10-11

Digital media distribution system

#14
20070230297
2007-10-04

Signal Processing System

#15
20070220194
2007-09-20

SYSTEM FOR COVERTLY STORING CONTROL INFORMATION

#16
20070156596
2007-07-05

Information processing apparatus, setup method and non-transitory computer-readable recording medium on which setup program is recorded

#17
20070143863
2007-06-21

COPY-RESISTANT READ-ONLY DIGITAL OPTICAL DISC AND ADAPTABLE PLAYER

#18
20070110243
2007-05-17

Data transfer system, data transfer device, data recording device and data transfer method

#19
20070107064
2007-05-10

Recording method, recording apparatus, reproducing method and reproducing apparatus

#20
20060262444
2006-11-23

Controlling the downloading and recording of digital data

#21
20060123319
2006-06-08

Signal processing method and apparatus, signal reproducing method and apparatus, and recording medium

#22
20050249105
2005-11-10

Data retention of integrated circuit on record carrier

#23
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

#24
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

#25
20050177740
2005-08-11

System and method for protecting a title key in a secure distribution system for recordable media content

#26
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

#27
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

#28
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

#29
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

#30
20050086488
2005-04-21

Information signal copy managing method, information signal recording method, information signal output apparatus, and recording medium

#31
20050084251
2005-04-21

Digital content reproducing apparatus and method for reproducing digital content