CN1214143A - 用于光学介质的读/写装置 - Google Patents

用于光学介质的读/写装置 Download PDF

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Publication number
CN1214143A
CN1214143A CN97193185A CN97193185A CN1214143A CN 1214143 A CN1214143 A CN 1214143A CN 97193185 A CN97193185 A CN 97193185A CN 97193185 A CN97193185 A CN 97193185A CN 1214143 A CN1214143 A CN 1214143A
Authority
CN
China
Prior art keywords
track
shaven head
unit
pick
read
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.)
Pending
Application number
CN97193185A
Other languages
English (en)
Chinese (zh)
Inventor
科尼利斯·维伯格
弗雷德·鲍米斯特
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.)
HOLLANDSE SIGNAALAPPAPATEN BV
Thales Nederland BV
Original Assignee
HOLLANDSE SIGNAALAPPAPATEN BV
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 HOLLANDSE SIGNAALAPPAPATEN BV filed Critical HOLLANDSE SIGNAALAPPAPATEN BV
Publication of CN1214143A publication Critical patent/CN1214143A/zh
Pending legal-status Critical Current

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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
    • G11B7/08—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
    • 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
    • G11B7/0857—Arrangements for mechanically moving the whole head
    • G11B7/08582—Sled-type positioners
    • G11B7/08588—Sled-type positioners with position sensing by means of an auxiliary system using an external scale
    • 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
    • G11B7/08541—Methods for track change, selection or preliminary positioning by moving the head involving track counting to determine position
    • 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
    • G11B7/0857—Arrangements for mechanically moving the whole head
    • G11B7/08576—Swinging-arm positioners

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Moving Of Heads (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)
CN97193185A 1996-03-21 1997-03-12 用于光学介质的读/写装置 Pending CN1214143A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1002671A NL1002671C2 (nl) 1996-03-21 1996-03-21 Lees/schrijfinrichting voor optische media.
NL1002671 1996-03-21

Publications (1)

Publication Number Publication Date
CN1214143A true CN1214143A (zh) 1999-04-14

Family

ID=19762538

Family Applications (1)

Application Number Title Priority Date Filing Date
CN97193185A Pending CN1214143A (zh) 1996-03-21 1997-03-12 用于光学介质的读/写装置

Country Status (9)

Country Link
EP (1) EP0888613A1 (fr)
JP (1) JP2000508106A (fr)
KR (1) KR20000064539A (fr)
CN (1) CN1214143A (fr)
AU (1) AU2155897A (fr)
CA (1) CA2248644A1 (fr)
NL (1) NL1002671C2 (fr)
NO (1) NO984193L (fr)
WO (1) WO1997035305A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR880000999B1 (ko) * 1981-11-25 1988-06-10 미쓰다 가쓰시게 광학적 정보 기억장치
KR910003458B1 (ko) * 1986-12-02 1991-05-31 미쓰비시뎅끼 가부시끼가이샤 광디스크의 구동장치
EP0394572B1 (fr) * 1989-04-26 1995-06-28 International Business Machines Corporation Dispositif de mémorisation de données
KR920006926A (ko) * 1990-09-29 1992-04-28 정용문 광디스크 구동장치의 트랙편심 보정 방법 및 그 장치
US5481510A (en) * 1992-02-28 1996-01-02 Fujitsu Limited Seek control system for optical storage apparatus
JP2928849B2 (ja) * 1993-12-10 1999-08-03 株式会社日本コンラックス 光学的情報記録再生装置におけるトラックシーク方法及び装置

Also Published As

Publication number Publication date
WO1997035305A1 (fr) 1997-09-25
NL1002671C2 (nl) 1997-09-23
CA2248644A1 (fr) 1997-09-25
JP2000508106A (ja) 2000-06-27
KR20000064539A (ko) 2000-11-06
NO984193D0 (no) 1998-09-11
AU2155897A (en) 1997-10-10
NO984193L (no) 1998-09-11
EP0888613A1 (fr) 1999-01-07

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PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C01 Deemed withdrawal of patent application (patent law 1993)
WD01 Invention patent application deemed withdrawn after publication