DE60120121D1 - Suchsteuerverfahren und Speichergerät - Google Patents

Suchsteuerverfahren und Speichergerät

Info

Publication number
DE60120121D1
DE60120121D1 DE60120121T DE60120121T DE60120121D1 DE 60120121 D1 DE60120121 D1 DE 60120121D1 DE 60120121 T DE60120121 T DE 60120121T DE 60120121 T DE60120121 T DE 60120121T DE 60120121 D1 DE60120121 D1 DE 60120121D1
Authority
DE
Germany
Prior art keywords
storage device
control method
search control
search
storage
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
DE60120121T
Other languages
English (en)
Other versions
DE60120121T2 (de
Inventor
Toshio Kuriuzawa
Shigenori Yanagi
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
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
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE60120121D1 publication Critical patent/DE60120121D1/de
Publication of DE60120121T2 publication Critical patent/DE60120121T2/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
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/1055—Disposition or mounting of transducers relative to record carriers
    • G11B11/10556—Disposition or mounting of transducers relative to record carriers with provision for moving or switching or masking the transducers in or out of their operative position
    • G11B11/10563—Access of indexed parts
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10595—Control of operating function
    • G11B11/10597—Adaptations for transducing various formats on the same or different carriers
    • 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
    • G11B7/0079—Zoned data area, e.g. having different data structures or formats for the user data within data layer, Zone Constant Linear Velocity [ZCLV], Zone Constant Angular Velocity [ZCAV], carriers with RAM and ROM areas
    • 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
    • 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/094—Methods and circuits for servo offset compensation
    • 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0941—Methods and circuits for servo gain or phase compensation during operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
DE60120121T 2001-05-30 2001-09-27 Suchsteuerverfahren und Speichergerät Expired - Lifetime DE60120121T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001163255 2001-05-30
JP2001163255A JP2002358666A (ja) 2001-05-30 2001-05-30 シーク制御方法及び記憶装置

Publications (2)

Publication Number Publication Date
DE60120121D1 true DE60120121D1 (de) 2006-07-06
DE60120121T2 DE60120121T2 (de) 2006-09-21

Family

ID=19006262

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60120121T Expired - Lifetime DE60120121T2 (de) 2001-05-30 2001-09-27 Suchsteuerverfahren und Speichergerät

Country Status (4)

Country Link
US (1) US6920092B2 (de)
EP (1) EP1262959B1 (de)
JP (1) JP2002358666A (de)
DE (1) DE60120121T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1410386A2 (de) * 2000-11-09 2004-04-21 Burstein Technologies, Inc. Plattenlaufwerkssystem und verfahren zur verwendung mit bio-platten
WO2002056311A2 (en) * 2001-01-11 2002-07-18 Burstein Technologies Inc Optical disc analysis system including related methods for biological and medical imaging
US7221632B2 (en) * 2001-07-12 2007-05-22 Burstein Technologies, Inc. Optical disc system and related detecting methods for analysis of microscopic structures
JP3636124B2 (ja) 2001-09-28 2005-04-06 ティアック株式会社 光ディスク装置
US20080094974A1 (en) * 2001-11-09 2008-04-24 Burstein Technologies, Inc. Optical disc system and related detecting methods for analysis of microscopic structures
US7251201B2 (en) * 2003-08-14 2007-07-31 Media Tek Inc. Method of searching new writable address for optical recordable medium
US20050157603A1 (en) * 2004-01-19 2005-07-21 Chih-Yuan Tseng Method and apparatus for improved seek performance and stability in a header-included land/groove optical disc
KR100691109B1 (ko) * 2005-07-12 2007-03-09 엘지전자 주식회사 고밀도 광디스크에서 데이터 서치 방법
US7593293B2 (en) * 2006-03-13 2009-09-22 Funai Electric Co., Ltd. Optical disk drive
JP2012243368A (ja) * 2011-05-20 2012-12-10 Funai Electric Co Ltd 光ディスク処理装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3268883A (en) * 1964-03-04 1966-08-23 Alfred R Puccinelli Ice detector means
JP2860791B2 (ja) 1988-08-26 1999-02-24 三菱電機株式会社 フォーカスサーボ回路
JPH03130972A (ja) 1989-10-16 1991-06-04 Matsushita Electric Ind Co Ltd トラック検索装置及びトラッキング制御装置
JPH04195734A (ja) 1990-11-26 1992-07-15 Teac Corp フォーカスサーボ回路
JPH05189797A (ja) 1991-03-06 1993-07-30 Ricoh Co Ltd 光ピックアップ装置
JPH05159318A (ja) 1991-12-09 1993-06-25 Matsushita Electric Ind Co Ltd トラッキング制御装置
KR0132972B1 (ko) 1994-11-28 1998-04-18 배순훈 광자기디스크의 서보제어장치
JP2895406B2 (ja) 1994-12-16 1999-05-24 松下電器産業株式会社 光ディスク装置
JP3707834B2 (ja) 1995-08-10 2005-10-19 株式会社東芝 光ディスク装置
JPH10124900A (ja) 1996-10-16 1998-05-15 Matsushita Electric Ind Co Ltd トラッキング制御装置及びトラック検索装置
JPH10275352A (ja) 1997-03-31 1998-10-13 Fujitsu Ten Ltd ディスク再生用のトラッキングサーボ回路
JPH11167729A (ja) 1997-12-03 1999-06-22 Yamaha Corp 光ディスクのシーク動作制御方法及び装置

Also Published As

Publication number Publication date
EP1262959A2 (de) 2002-12-04
DE60120121T2 (de) 2006-09-21
JP2002358666A (ja) 2002-12-13
EP1262959B1 (de) 2006-05-31
EP1262959A3 (de) 2004-06-09
US6920092B2 (en) 2005-07-19
US20020181346A1 (en) 2002-12-05

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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

8328 Change in the person/name/address of the agent

Representative=s name: SEEGER SEEGER LINDNER PARTNERSCHAFT PATENTANWAELTE