AU4433300A - Copy prevention-treating device for digital data, copy prevention-treating method, copy prevention-treated data recorded-recording medium - Google Patents

Copy prevention-treating device for digital data, copy prevention-treating method, copy prevention-treated data recorded-recording medium

Info

Publication number
AU4433300A
AU4433300A AU44333/00A AU4433300A AU4433300A AU 4433300 A AU4433300 A AU 4433300A AU 44333/00 A AU44333/00 A AU 44333/00A AU 4433300 A AU4433300 A AU 4433300A AU 4433300 A AU4433300 A AU 4433300A
Authority
AU
Australia
Prior art keywords
copy prevention
recording medium
treating
digital data
data recorded
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU44333/00A
Inventor
Yasutaka Sato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EMDES Co Ltd
Original Assignee
EMDES CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by EMDES CO Ltd filed Critical EMDES CO Ltd
Publication of AU4433300A publication Critical patent/AU4433300A/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
AU44333/00A 2000-05-15 2000-05-15 Copy prevention-treating device for digital data, copy prevention-treating method, copy prevention-treated data recorded-recording medium Abandoned AU4433300A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2000/003102 WO2001088916A1 (en) 2000-05-15 2000-05-15 Copy prevention-treating device for digital data, copy prevention-treating method, copy prevention-treated data recorded-recording medium

Publications (1)

Publication Number Publication Date
AU4433300A true AU4433300A (en) 2001-11-26

Family

ID=11736031

Family Applications (1)

Application Number Title Priority Date Filing Date
AU44333/00A Abandoned AU4433300A (en) 2000-05-15 2000-05-15 Copy prevention-treating device for digital data, copy prevention-treating method, copy prevention-treated data recorded-recording medium

Country Status (2)

Country Link
AU (1) AU4433300A (en)
WO (1) WO2001088916A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10162501A (en) * 1996-12-03 1998-06-19 Sony Corp Audio information transmission method, audio information transmission apparatus, and audio recording apparatus
JPH10289522A (en) * 1997-04-11 1998-10-27 Nippon Telegr & Teleph Corp <Ntt> Digital video device
JP2982768B2 (en) * 1997-11-07 1999-11-29 日本電気株式会社 Illegal copy prevention method and apparatus
JPH11232777A (en) * 1998-02-16 1999-08-27 Ic:Kk Preventing method for data copy

Also Published As

Publication number Publication date
WO2001088916A1 (en) 2001-11-22

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase