DE3626029C2 - - Google Patents

Info

Publication number
DE3626029C2
DE3626029C2 DE3626029A DE3626029A DE3626029C2 DE 3626029 C2 DE3626029 C2 DE 3626029C2 DE 3626029 A DE3626029 A DE 3626029A DE 3626029 A DE3626029 A DE 3626029A DE 3626029 C2 DE3626029 C2 DE 3626029C2
Authority
DE
Germany
Prior art keywords
lens
signal
recording
speed
control mode
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
DE3626029A
Other languages
German (de)
English (en)
Other versions
DE3626029A1 (de
Inventor
Hiroo Ina Nagano Jp Okada
Ken Ohshima
Yoshiaki Hachioji Tokio/Tokyo Jp Ikeda
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.)
Olympus Corp
Original Assignee
Olympus Optical 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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Publication of DE3626029A1 publication Critical patent/DE3626029A1/de
Application granted granted Critical
Publication of DE3626029C2 publication Critical patent/DE3626029C2/de
Granted 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
    • G11B7/08—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
    • G11B7/08517—Methods for track change, selection or preliminary positioning by moving the head with tracking pull-in only
    • 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
    • G11B7/08529—Methods and circuits to control the velocity of the head as it traverses the tracks
    • 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
    • G11B7/09—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
    • G11B7/0946—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 specially adapted for operation during external perturbations not related to the carrier or servo beam, e.g. vibration

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Head (AREA)
DE19863626029 1985-08-03 1986-08-01 Optische aufnahme/wiedergabevorrichtung Granted DE3626029A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60171424A JP2666248B2 (ja) 1985-08-03 1985-08-03 光学的情報記録再生装置

Publications (2)

Publication Number Publication Date
DE3626029A1 DE3626029A1 (de) 1987-02-12
DE3626029C2 true DE3626029C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-05-29

Family

ID=15922873

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19863626029 Granted DE3626029A1 (de) 1985-08-03 1986-08-01 Optische aufnahme/wiedergabevorrichtung

Country Status (3)

Country Link
US (1) US4837757A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JP2666248B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3626029A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19642347A1 (de) * 1995-10-23 1997-04-24 Fujitsu Ltd Optische Speichervorrichtung

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5073881A (en) * 1987-06-24 1991-12-17 Matsushita Electric Industrial Co., Ltd. Optical disc apparatus with rapid and stable accessing capability
JPS6468814A (en) * 1987-09-10 1989-03-14 Canon Kk Method and device for position control of moving object
DE3800427C2 (de) * 1988-01-09 1997-05-28 Breitmeier Ulrich Gerät zum Ermitteln des Abstands eines auf einer Prüffläche liegenden Prüfpunktes von einer Referenzfläche
JPH077528B2 (ja) * 1988-01-25 1995-01-30 キヤノン株式会社 光学式情報記録装置
JP2573301B2 (ja) * 1988-04-22 1997-01-22 株式会社東芝 ディスク装置
US5301174A (en) * 1989-07-14 1994-04-05 Sharp Kabushiki Kaisha Optical disk recording and reproducing apparatus
DE69023870T2 (de) * 1989-09-29 1996-04-25 Fujitsu Ltd Spurfolgkreis für optische Scheibeeinheit.
JP2804118B2 (ja) * 1989-10-03 1998-09-24 株式会社東芝 トラッキング制御装置
US5285432A (en) * 1989-10-31 1994-02-08 Kabushiki Kaisha Toshiba Track jump control circuit
JPH03147574A (ja) * 1989-10-31 1991-06-24 Toshiba Corp トラックジャンプ制御回路
US5235591A (en) * 1990-01-19 1993-08-10 Hitachi, Ltd. Stack type optical disc apparatus, sealed and separate type optical head therefor and optical disc medium
JPH0426964A (ja) * 1990-05-21 1992-01-30 Pioneer Electron Corp サーボ装置
JPH04123372A (ja) * 1990-09-13 1992-04-23 Sony Corp シーク制御回路
US5677899A (en) * 1991-02-15 1997-10-14 Discovision Associates Method for moving carriage assembly from initial position to target position relative to storage medium
US5481510A (en) * 1992-02-28 1996-01-02 Fujitsu Limited Seek control system for optical storage apparatus
KR0135806B1 (ko) * 1995-04-07 1998-05-15 김광호 광 픽업의 광축 조정 장치
US5673240A (en) * 1996-03-18 1997-09-30 Nec Corporation Seek control circuit for suppressing vibration of objective lens in optical head during seek operation
DE19619678C1 (de) * 1996-05-15 1997-11-20 Steag Hamatech Gmbh Machines Verfahren und Vorrichtung zum Beschichten von scheibenförmigen Informationsspeichermedien
EP0811970A3 (en) * 1996-06-04 1998-11-18 Canon Kabushiki Kaisha Optical information apparatus and method of use
CN1209755C (zh) * 1999-04-20 2005-07-06 株式会社三协精机制作所 光学拾取系统及其制做方法
SG90074A1 (en) * 1999-11-02 2002-07-23 Texas Instr Singapore Pte Ltd Detection and suppression of lens vibration in radial direction during seek operation on dc/dvd disk
DE10312644A1 (de) * 2003-03-21 2004-09-30 Olympus Biosystems Gmbh Verfahren und Vorrichtung zum Verstellen eines Elements
TWI276068B (en) * 2003-09-29 2007-03-11 Lite On It Corp Method of controlling pick-up head during long seeking

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4539664A (en) * 1978-08-25 1985-09-03 Matsushita Electric Industrial Co., Ltd. Control system for optical information signal reproduction device
JPH0766546B2 (ja) * 1980-12-05 1995-07-19 富士通株式会社 光デイスク装置
JPS5819744A (ja) * 1981-07-24 1983-02-04 Sony Corp 光学式記録再生装置
JPS58166567A (ja) * 1982-03-26 1983-10-01 Matsushita Electric Ind Co Ltd 情報トラックの検索装置
EP0098076A1 (en) * 1982-06-14 1984-01-11 Nec Corporation Beam access apparatus for optical disc system
JPS59135561A (ja) * 1983-01-21 1984-08-03 Nec Corp 回線制御信号検出，送信回路
JPS59135561U (ja) * 1983-02-25 1984-09-10 パイオニア株式会社 トラツキングサ−ボ引込装置
US4598395A (en) * 1983-05-31 1986-07-01 Ltv Aerospace And Defense Co. Erasable optical read/write data storage system
EP0151220B1 (en) * 1983-11-09 1989-11-29 Sharp Kabushiki Kaisha Servo system for the positioning of an optical beam
JPH06103535B2 (ja) * 1985-06-12 1994-12-14 オリンパス光学工業株式会社 光学式情報記録再生装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19642347A1 (de) * 1995-10-23 1997-04-24 Fujitsu Ltd Optische Speichervorrichtung
DE19642347C2 (de) * 1995-10-23 1999-03-04 Fujitsu Ltd Optische Speichervorrichtung

Also Published As

Publication number Publication date
JPS6233342A (ja) 1987-02-13
JP2666248B2 (ja) 1997-10-22
US4837757A (en) 1989-06-06
DE3626029A1 (de) 1987-02-12

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8128 New person/name/address of the agent

Representative=s name: KUHNEN, R., DIPL.-ING. FUERNISS, P., DIPL..-CHEM.

D2 Grant after examination
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee