DE69837113D1 - Datenspeicheranordnung und Steuerverfahren dafür - Google Patents

Datenspeicheranordnung und Steuerverfahren dafür

Info

Publication number
DE69837113D1
DE69837113D1 DE69837113T DE69837113T DE69837113D1 DE 69837113 D1 DE69837113 D1 DE 69837113D1 DE 69837113 T DE69837113 T DE 69837113T DE 69837113 T DE69837113 T DE 69837113T DE 69837113 D1 DE69837113 D1 DE 69837113D1
Authority
DE
Germany
Prior art keywords
data storage
control method
method therefor
storage arrangement
arrangement
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 - Lifetime
Application number
DE69837113T
Other languages
English (en)
Other versions
DE69837113T2 (de
Inventor
Kiyomi Imamura
Teruji Yamakawa
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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
Priority claimed from JP891498A external-priority patent/JPH11213551A/ja
Priority claimed from JP03884098A external-priority patent/JP3529260B2/ja
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of DE69837113D1 publication Critical patent/DE69837113D1/de
Application granted granted Critical
Publication of DE69837113T2 publication Critical patent/DE69837113T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • 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
    • G11B20/00681—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which prevent a specific kind of data access
    • G11B20/00702—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which prevent a specific kind of data access said measures preventing that data are recorded on the recording medium
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/78—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
    • G06F21/80—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data in storage media based on magnetic or optical technology, e.g. disks with sectors
    • 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
    • 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
    • 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
    • G11B20/00188—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised devices recording or reproducing contents to/from a record carrier
    • G11B20/00195—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised devices recording or reproducing contents to/from a record carrier using a device identifier associated with the player or recorder, e.g. serial numbers of playback apparatuses or MAC addresses
    • 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
    • G11B20/00681—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which prevent a specific kind of data access
    • G11B20/00695—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which prevent a specific kind of data access said measures preventing that data are read from the recording medium
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Storage Device Security (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DE69837113T 1998-01-20 1998-10-08 Datenspeicheranordnung und Steuerverfahren dafür Expired - Lifetime DE69837113T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP891498A JPH11213551A (ja) 1998-01-20 1998-01-20 情報記憶装置及びその制御方法
JP891498 1998-01-20
JP03884098A JP3529260B2 (ja) 1998-02-20 1998-02-20 情報記憶装置及びその制御方法
JP3884098 1998-02-20

Publications (2)

Publication Number Publication Date
DE69837113D1 true DE69837113D1 (de) 2007-03-29
DE69837113T2 DE69837113T2 (de) 2007-06-06

Family

ID=26343537

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69837113T Expired - Lifetime DE69837113T2 (de) 1998-01-20 1998-10-08 Datenspeicheranordnung und Steuerverfahren dafür
DE69830834T Expired - Lifetime DE69830834T2 (de) 1998-01-20 1998-10-08 Datenspeicheranordnung und Steuerverfahren dafür

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69830834T Expired - Lifetime DE69830834T2 (de) 1998-01-20 1998-10-08 Datenspeicheranordnung und Steuerverfahren dafür

Country Status (5)

Country Link
US (2) US6453369B1 (de)
EP (2) EP0930616B1 (de)
KR (2) KR100334042B1 (de)
CN (2) CN100458950C (de)
DE (2) DE69837113T2 (de)

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Also Published As

Publication number Publication date
EP0930616A3 (de) 1999-12-15
DE69830834D1 (de) 2005-08-18
CN1551184A (zh) 2004-12-01
KR100385203B1 (ko) 2003-05-27
EP0930616B1 (de) 2005-07-13
EP1211681B1 (de) 2007-02-14
EP1211681A1 (de) 2002-06-05
EP0930616A2 (de) 1999-07-21
KR100334042B1 (ko) 2002-10-04
DE69830834T2 (de) 2006-01-26
CN1208775C (zh) 2005-06-29
US20020116551A1 (en) 2002-08-22
CN1227948A (zh) 1999-09-08
US6604153B2 (en) 2003-08-05
US6453369B1 (en) 2002-09-17
CN100458950C (zh) 2009-02-04
KR19990066833A (ko) 1999-08-16
KR20010114200A (ko) 2001-12-29
DE69837113T2 (de) 2007-06-06

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