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1. WO2004104999 - RECORDING MEDIUM WITH COPY PROTECTION INFORMATION AND APPARATUS/METHOD FOR FORMING, RECORDING, REPRODUCING, AND RESTRICTING REPRODUCTION OF THE RECORDING MEDIUM

Publication Number WO/2004/104999
Publication Date 02.12.2004
International Application No. PCT/KR2004/001199
International Filing Date 20.05.2004
IPC
G11B 7/007 2006.1
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
7Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power; Record carriers therefor
007Arrangement of the information on the record carrier, e.g. form of tracks
G11B 20/00 2006.1
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
20Signal processing not specific to the method of recording or reproducing; Circuits therefor
G11B 20/12 2006.1
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
20Signal processing not specific to the method of recording or reproducing; Circuits therefor
10Digital recording or reproducing
12Formatting, e.g. arrangement of data block or words on the record carriers
G11B 20/14 2006.1
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
20Signal processing not specific to the method of recording or reproducing; Circuits therefor
10Digital recording or reproducing
14using self-clocking codes
G11B 23/28 2006.1
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
23Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus
28indicating prior or unauthorised use
CPC
G11B 20/00086
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
20Signal processing not specific to the method of recording or reproducing; Circuits therefor
00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
G11B 20/0021
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
20Signal processing not specific to the method of recording or reproducing; Circuits therefor
00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
0021involving encryption or decryption of contents recorded on or reproduced from a record carrier
G11B 20/00304
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
20Signal processing not specific to the method of recording or reproducing; Circuits therefor
00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
0021involving encryption or decryption of contents recorded on or reproduced from a record carrier
00217the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
00253wherein the key is stored on the record carrier
00297the key being stored in a management area, e.g. the video manager [VMG] of a DVD
00304the key being stored in the lead-in area [LIA]
G11B 20/00405
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
20Signal processing not specific to the method of recording or reproducing; Circuits therefor
00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
0021involving encryption or decryption of contents recorded on or reproduced from a record carrier
00217the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
00253wherein the key is stored on the record carrier
00405the key being stored by varying characteristics of the recording track, e.g. by altering the track pitch or by modulating the wobble track
G11B 20/00594
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
20Signal processing not specific to the method of recording or reproducing; Circuits therefor
00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
00572involving measures which change the format of the recording medium
00586said format change concerning the physical format of the recording medium
00594wherein the shape of recording marks is altered, e.g. the depth, width, or length of pits
G11B 20/00601
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
20Signal processing not specific to the method of recording or reproducing; Circuits therefor
00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
00572involving measures which change the format of the recording medium
00586said format change concerning the physical format of the recording medium
00601wherein properties of tracks are altered, e.g., by changing the wobble pattern or the track pitch, or by adding interruptions or eccentricity
Applicants
  • LG Electronics Inc. [KR]/[KR] (AllExceptUS)
  • KIM, Jin Yong [KR]/[KR] (UsOnly)
  • PARK, Jung Bae [KR]/[KR] (UsOnly)
Inventors
  • KIM, Jin Yong
  • PARK, Jung Bae
Agents
  • PARK, Lae Bong
Priority Data
10-2003-003191220.05.2003KR
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) RECORDING MEDIUM WITH COPY PROTECTION INFORMATION AND APPARATUS/METHOD FOR FORMING, RECORDING, REPRODUCING, AND RESTRICTING REPRODUCTION OF THE RECORDING MEDIUM
(FR) SUPPORT D'ENREGISTREMENT AVEC INFORMATIONS ANTICOPIE ET DISPOSITIF/PROCEDE DE FORMATION, ENREGISTREMENT, REPRODUCTION ET RESTRICTION DE REPRODUCTION DE SUPPORT D'ENREGISTREMENT
Abstract
(EN) A recording medium, such as a high-density and/or read-only recording medium, such as BD-ROM, which includes copy protection information for preventing illegal copying of the contents recorded on the recording medium, and to methods and apparatuses for forming, recording, and reproducing data on the recording medium.
(FR) L'invention concerne un support d'enregistrement, tel qu'un support d'enregistrement à haute densité et/ou non inscriptible, notamment un BD-ROM, qui contient des informations anticopie qui empêchent la copie non autorisée du contenu enregistré sur le support d'enregistrement. L'invention concerne également des procédés et des dispositifs qui permettent de former, d'enregistrer et de reproduire des données sur le support d'enregistrement.
Latest bibliographic data on file with the International Bureau