DE69904141T2 - Datenaufzeichnungs- und wiedergabegerät - Google Patents

Datenaufzeichnungs- und wiedergabegerät

Info

Publication number
DE69904141T2
DE69904141T2 DE69904141T DE69904141T DE69904141T2 DE 69904141 T2 DE69904141 T2 DE 69904141T2 DE 69904141 T DE69904141 T DE 69904141T DE 69904141 T DE69904141 T DE 69904141T DE 69904141 T2 DE69904141 T2 DE 69904141T2
Authority
DE
Germany
Prior art keywords
playback device
data recording
recording
playback
data
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.)
Expired - Fee Related
Application number
DE69904141T
Other languages
English (en)
Other versions
DE69904141D1 (de
Inventor
Tomoyuki Nonomura
Mitsuhiro Inoue
Masataka Minami
Masayuki Kozuka
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE69904141D1 publication Critical patent/DE69904141D1/de
Publication of DE69904141T2 publication Critical patent/DE69904141T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B20/00884—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a watermark, i.e. a barely perceptible transformation of the original data which can nevertheless be recognised by an algorithm
    • G11B20/00891—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a watermark, i.e. a barely perceptible transformation of the original data which can nevertheless be recognised by an algorithm embedded in audio data
    • 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
    • G11B20/00884—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a watermark, i.e. a barely perceptible transformation of the original data which can nevertheless be recognised by an algorithm
    • 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
    • G11B20/00007—Time or data compression or expansion
    • 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
    • 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
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
DE69904141T 1998-10-08 1999-10-08 Datenaufzeichnungs- und wiedergabegerät Expired - Fee Related DE69904141T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP28708598 1998-10-08
PCT/JP1999/005566 WO2000021088A1 (fr) 1998-10-08 1999-10-08 Dispositif d'enregistrement/lecture de donnees

Publications (2)

Publication Number Publication Date
DE69904141D1 DE69904141D1 (de) 2003-01-09
DE69904141T2 true DE69904141T2 (de) 2003-09-11

Family

ID=17712867

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69904141T Expired - Fee Related DE69904141T2 (de) 1998-10-08 1999-10-08 Datenaufzeichnungs- und wiedergabegerät

Country Status (13)

Country Link
US (1) US6993133B1 (de)
EP (1) EP1047066B1 (de)
KR (1) KR100349568B1 (de)
CN (1) CN1125460C (de)
AU (1) AU768185B2 (de)
BR (1) BR9907044A (de)
CA (1) CA2312483A1 (de)
DE (1) DE69904141T2 (de)
ID (1) ID27068A (de)
MX (1) MXPA00005542A (de)
MY (1) MY123020A (de)
RU (1) RU2237934C2 (de)
WO (1) WO2000021088A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002074831A (ja) * 2000-08-31 2002-03-15 Sony Corp データ出力方法および装置、データ再生方法および装置、データ記録方法および装置、データ記録再生方法および装置
JP2002093047A (ja) * 2000-09-20 2002-03-29 Sony Corp データ記録媒体、データ記録装置および方法、データ出力装置および方法、データ表示方法、コンテンツデータ並びにデータ再生装置および方法
JP3678164B2 (ja) * 2001-04-13 2005-08-03 ソニー株式会社 データ転送システム、データ転送装置、データ記録装置、データ転送方法
US7328345B2 (en) * 2002-01-29 2008-02-05 Widevine Technologies, Inc. Method and system for end to end securing of content for video on demand
US20040252615A1 (en) * 2003-06-13 2004-12-16 Darknoise Technologies Ltd. Digital content protection
JP3670649B2 (ja) * 2003-02-14 2005-07-13 株式会社東芝 ウォーターマーク処理装置およびウォーターマーク処理方法
DE102005000796A1 (de) 2005-01-05 2006-07-13 Giesecke & Devrient Gmbh Tragbarer Datenträger mit Wasserzeichen-Funktionalität
JP4716357B2 (ja) * 2005-03-29 2011-07-06 Ｋｄｄｉ株式会社 圧縮データスクランブル配信装置、その再生装置および配信・再生装置
CA2682926C (en) 2006-10-18 2015-10-13 Destiny Software Productions Inc. Methods for watermarking media data
EP2083418A1 (de) * 2008-01-24 2009-07-29 Deutsche Thomson OHG Verfahren und Vorrichtung zur Bestimmung und Verwendung einer zufälligen Frequenz zur Entschlüsselung von Wasserzeicheninformationen, die in einem empfangenen Signal und mit einer ursprünglichen zufälligen Frequenz auf der Verschlüsselungsseite eingebettet wurde
US8868464B2 (en) 2008-02-07 2014-10-21 Google Inc. Preventing unauthorized modification or skipping of viewing of advertisements within content

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3141242B2 (ja) * 1990-08-24 2001-03-05 ソニー株式会社 光ディスク記録装置
US5379345A (en) * 1993-01-29 1995-01-03 Radio Audit Systems, Inc. Method and apparatus for the processing of encoded data in conjunction with an audio broadcast
US5561688A (en) * 1993-12-29 1996-10-01 International Business Machines Corporation Real-time digital audio compression/decompression system
US5646997A (en) * 1994-12-14 1997-07-08 Barton; James M. Method and apparatus for embedding authentication information within digital data
US6061793A (en) * 1996-08-30 2000-05-09 Regents Of The University Of Minnesota Method and apparatus for embedding data, including watermarks, in human perceptible sounds
US5848155A (en) * 1996-09-04 1998-12-08 Nec Research Institute, Inc. Spread spectrum watermark for embedded signalling
JP3707165B2 (ja) * 1996-11-01 2005-10-19 ソニー株式会社 映像伝送方法、映像処理方法、映像伝送装置および映像処理装置
EP0906700B1 (de) * 1997-01-27 2002-09-11 Koninklijke Philips Electronics N.V. Verfahren und vorrichtung zur übertragung von inhaltsinformation und darauf bezogener zusatzinformation
JPH1132200A (ja) 1997-07-09 1999-02-02 Matsushita Electric Ind Co Ltd 透かしデータ挿入方法及び透かしデータ検出方法
JP4064506B2 (ja) 1997-09-17 2008-03-19 パイオニア株式会社 電子透かし重畳方法及び検出方法並びに装置
JP2982768B2 (ja) 1997-11-07 1999-11-29 日本電気株式会社 不正複写防止方法および装置
JP4313873B2 (ja) 1998-01-30 2009-08-12 キヤノン株式会社 電子機器及びデータ処理方法

Also Published As

Publication number Publication date
WO2000021088A1 (fr) 2000-04-13
AU6005799A (en) 2000-04-26
CN1125460C (zh) 2003-10-22
EP1047066A1 (de) 2000-10-25
EP1047066B1 (de) 2002-11-27
CN1288566A (zh) 2001-03-21
BR9907044A (pt) 2000-10-17
KR100349568B1 (ko) 2002-08-24
DE69904141D1 (de) 2003-01-09
MY123020A (en) 2006-05-31
ID27068A (id) 2001-02-22
US6993133B1 (en) 2006-01-31
EP1047066A4 (de) 2000-12-20
AU768185B2 (en) 2003-12-04
CA2312483A1 (en) 2000-04-13
KR20010032848A (ko) 2001-04-25
MXPA00005542A (es) 2002-04-24
RU2237934C2 (ru) 2004-10-10

Similar Documents

Publication Publication Date Title
DE69900041T2 (de) Optisches Datenaufzeichnungsgerät und Datenaufzeichnungsmedium
DE19984045A5 (de) Aufzeichnungs-/Wiedergabegerät
DE69704034D1 (de) Datenaufzeichnungsmedium, Aufzeichnungsgerät und Wiedergabegerät
DE69518336D1 (de) Aufzeichnungsmedium und Datenwiedergabegerät
DE69919813D1 (de) Signalaufzeichnungs- und Wiedergabegerät
DE69921426D1 (de) Aufnahme- und Wiedergabeapparat
DE69921232D1 (de) Informationsaufzeichnungsgerät
DE69833830D1 (de) Aufzeichnungs- und Wiedergabegerät
DE69919237D1 (de) Informationsaufzeichnungs- und -wiedergabegerät
DE69904141D1 (de) Datenaufzeichnungs- und wiedergabegerät
DE69525315T2 (de) Datenaufzeichnungs- und Wiedergabegerät
DE69617279T2 (de) Datenaufzeichnung und -wiedergabe
DE69938472D1 (de) Magnetisches Aufzeichnungs-/Wiedergabegerät
DE60033093D1 (de) Datenaufzeichnungs- und -wiedergabegerät
DE60029177T8 (de) Informationsaufzeichnungsgerät und Informationswiedergabegerät
DE69938471D1 (de) Magnetisches Aufzeichnungs-/Wiedergabegerät
DE69903075D1 (de) Informationsaufzeichnungsgerät
DE69938882D1 (de) Magnetisches Aufzeichnungs-/Wiedergabegerät
DE69900827D1 (de) Magnetisches Aufnahme- und Wiedergabegerät
DE69703904T2 (de) Aufnahme- und Wiedergabegerät
DE10083290T1 (de) Plattenaufzeichnungs- und/oder -wiedergabevorrichtung
DE19880570T1 (de) Aufzeichnungs- und Wiedergabevorrichtung
DE60034094D1 (de) Aufzeichnungs- und Wiedergabegerät
DE60028382D1 (de) Aufnahme- und wiedergabegerät
DE69943272D1 (de) Datenaufzeichnungsmedium und -gerät

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee