DE60220577D1 - Aufzeichnungs-/Wiedergabevorrichtung, Verfahren zum Bewegen von Daten und Verfahren zum Löschen von Daten - Google Patents

Aufzeichnungs-/Wiedergabevorrichtung, Verfahren zum Bewegen von Daten und Verfahren zum Löschen von Daten

Info

Publication number
DE60220577D1
DE60220577D1 DE60220577T DE60220577T DE60220577D1 DE 60220577 D1 DE60220577 D1 DE 60220577D1 DE 60220577 T DE60220577 T DE 60220577T DE 60220577 T DE60220577 T DE 60220577T DE 60220577 D1 DE60220577 D1 DE 60220577D1
Authority
DE
Germany
Prior art keywords
data
recording
reproducing apparatus
erasing
moving
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
DE60220577T
Other languages
English (en)
Other versions
DE60220577T2 (de
Inventor
Hiroshi Sugimoto
Hideshi Ishihara
Takahiro Nagai
Hirofumi Ide
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 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
Publication of DE60220577D1 publication Critical patent/DE60220577D1/de
Application granted granted Critical
Publication of DE60220577T2 publication Critical patent/DE60220577T2/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
    • G11B20/0021—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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
    • G11B19/122—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark involving the detection of an identification or authentication mark
    • 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
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—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
    • G11B20/00478—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
    • 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
    • G11B20/0021—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
    • G11B20/00485—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
    • G11B20/00492—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
    • G11B20/00528—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 each title is encrypted with a separate encryption key for each title, e.g. title key for movie, song or data file
    • 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
    • G11B20/00659—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a control step which is implemented as an executable file stored on the record carrier
    • 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
    • G11B20/00666—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a step of erasing or nullifying data, e.g. data being overwritten with a random string
    • 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
    • G11B20/00666—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a step of erasing or nullifying data, e.g. data being overwritten with a random string
    • G11B20/00673—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a step of erasing or nullifying data, e.g. data being overwritten with a random string wherein the erased or nullified data include a cryptographic key
    • 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
    • G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • G11B20/00746—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number
    • G11B20/00753—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags
DE60220577T 2001-04-11 2002-04-09 Aufzeichnungs-/Wiedergabevorrichtung, Verfahren zum Bewegen von Daten und Verfahren zum Löschen von Daten Expired - Fee Related DE60220577T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001112325 2001-04-11
JP2001112325 2001-04-11

Publications (2)

Publication Number Publication Date
DE60220577D1 true DE60220577D1 (de) 2007-07-26
DE60220577T2 DE60220577T2 (de) 2008-02-21

Family

ID=18963766

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60220577T Expired - Fee Related DE60220577T2 (de) 2001-04-11 2002-04-09 Aufzeichnungs-/Wiedergabevorrichtung, Verfahren zum Bewegen von Daten und Verfahren zum Löschen von Daten

Country Status (4)

Country Link
US (1) US7298844B2 (de)
EP (1) EP1249836B1 (de)
CN (1) CN1208729C (de)
DE (1) DE60220577T2 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW566041B (en) * 2001-07-06 2003-12-11 Hitachi Ltd Digital data recording device and output device
US7823212B2 (en) 2003-04-22 2010-10-26 Panasonic Corporation Securely aggregating content on a storage device
EP1629382A4 (de) * 2003-06-02 2011-12-21 Liquid Machines Inc Verwaltung von datenobjekten in dynamischen, verteilten und kollaborativen kontexten
US7367514B2 (en) 2003-07-03 2008-05-06 Hand Held Products, Inc. Reprogramming system including reprogramming symbol
JP4698211B2 (ja) * 2003-12-15 2011-06-08 株式会社リコー 情報処理装置、画像形成装置、電子データの移動の取り消し方法
US7856168B2 (en) * 2004-04-20 2010-12-21 Panasonic Corporation Recorder/reproducer and content data protection system for preventing unauthorized use of content
JP4660123B2 (ja) * 2004-06-16 2011-03-30 株式会社東芝 記憶媒体処理方法、データ処理装置及び記憶媒体処理プログラム
JP2006172147A (ja) * 2004-12-16 2006-06-29 Matsushita Electric Ind Co Ltd コンテンツ保護方法及びその方法を用いた情報記録再生装置
US20070239948A1 (en) * 2004-12-17 2007-10-11 Kenji Muraki Data processor
JP2006185016A (ja) * 2004-12-27 2006-07-13 Hitachi Ltd コンテンツ移動制御装置及び方法
US8577684B2 (en) * 2005-07-13 2013-11-05 Intellisist, Inc. Selective security masking within recorded speech utilizing speech recognition techniques
WO2007074819A1 (ja) * 2005-12-28 2007-07-05 Matsushita Electric Industrial Co., Ltd. コンテンツデータ記録再生装置
US7934660B2 (en) 2006-01-05 2011-05-03 Hand Held Products, Inc. Data collection system having reconfigurable data collection terminal
US7849330B2 (en) * 2006-03-20 2010-12-07 Hitachi, Ltd. Apparatus and method for secure data disposal
JP2007336060A (ja) * 2006-06-13 2007-12-27 Toshiba Corp 情報アクセス管理方法および装置
US20070297609A1 (en) * 2006-06-23 2007-12-27 Research In Motion Limited Secure Wireless HeartBeat
US8433915B2 (en) 2006-06-28 2013-04-30 Intellisist, Inc. Selective security masking within recorded speech
US8635309B2 (en) 2007-08-09 2014-01-21 Hand Held Products, Inc. Methods and apparatus to change a feature set on data collection devices
JP4556990B2 (ja) * 2007-11-29 2010-10-06 ソニー株式会社 情報記録装置、情報記録システムおよび情報記録方法
JP5049216B2 (ja) * 2008-07-14 2012-10-17 株式会社日立製作所 データ管理方法及びシステム、並びにデータ記憶システム
JP2011109444A (ja) * 2009-11-18 2011-06-02 Panasonic Corp コンテンツの保護方法、コンテンツ再生装置、プログラムおよびプログラム記録媒体
US8370648B1 (en) * 2010-03-15 2013-02-05 Emc International Company Writing and reading encrypted data using time-based encryption keys
US9189669B2 (en) 2010-06-24 2015-11-17 Metrologic Instruments, Inc. Distinctive notice for different symbology information
US9589164B2 (en) 2010-06-24 2017-03-07 Metrologic Instruments, Inc. Distinctive notice for different symbology information
US8517269B2 (en) 2010-11-09 2013-08-27 Hand Held Products, Inc. Using a user'S application to configure user scanner
US8608053B2 (en) 2012-04-30 2013-12-17 Honeywell International Inc. Mobile communication terminal configured to display multi-symbol decodable indicia
JP6874438B2 (ja) * 2017-03-14 2021-05-19 オムロン株式会社 スレーブ装置、スレーブ装置の制御方法、情報処理プログラム、および記録媒体

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07226024A (ja) * 1994-02-10 1995-08-22 Canon Inc 情報再生装置及び情報記録媒体
US6134660A (en) * 1997-06-30 2000-10-17 Telcordia Technologies, Inc. Method for revoking computer backup files using cryptographic techniques
JP2981448B2 (ja) 1997-07-11 1999-11-22 シャープ株式会社 情報記録再生装置
JP4356178B2 (ja) 1999-03-09 2009-11-04 ソニー株式会社 再生装置
JP4161466B2 (ja) 1999-04-22 2008-10-08 日本ビクター株式会社 コンテンツ情報記録方法及びコンテンツ情報処理装置
JP2001119386A (ja) 1999-10-21 2001-04-27 Matsushita Electric Ind Co Ltd データ送受信装置、マルチメディアコンテンツ再生システム、携帯型音楽再生システム、据置型音楽再生システム及びパーソナルコンピュータ
US7093128B2 (en) * 2000-04-06 2006-08-15 Sony Corporation Information recording/reproducing apparatus and method
US7283633B2 (en) * 2000-06-21 2007-10-16 Sony Corporation Information recording and/or reproducing method and information recording and/or reproducing device

Also Published As

Publication number Publication date
US20020150245A1 (en) 2002-10-17
CN1208729C (zh) 2005-06-29
EP1249836A1 (de) 2002-10-16
EP1249836B1 (de) 2007-06-13
US7298844B2 (en) 2007-11-20
DE60220577T2 (de) 2008-02-21
CN1380651A (zh) 2002-11-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP

8339 Ceased/non-payment of the annual fee