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KR900005423A - 헤드이송장치 - Google Patents

헤드이송장치 Download PDF

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Publication number
KR900005423A
KR900005423A KR1019890012136A KR890012136A KR900005423A KR 900005423 A KR900005423 A KR 900005423A KR 1019890012136 A KR1019890012136 A KR 1019890012136A KR 890012136 A KR890012136 A KR 890012136A KR 900005423 A KR900005423 A KR 900005423A
Authority
KR
South Korea
Prior art keywords
movable unit
bearing
magnetic
magnetic circuit
disposed
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.)
Granted
Application number
KR1019890012136A
Other languages
English (en)
Other versions
KR920006308B1 (ko
Inventor
벤이찌 미야자끼
히로시 야마모도
쇼오지 고또오
Original Assignee
다니이 아끼오
마쓰시다덴기산교 가부시기가이샤
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 다니이 아끼오, 마쓰시다덴기산교 가부시기가이샤 filed Critical 다니이 아끼오
Publication of KR900005423A publication Critical patent/KR900005423A/ko
Application granted granted Critical
Publication of KR920006308B1 publication Critical patent/KR920006308B1/ko
Expired 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
    • G11B7/09—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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/60—Fluid-dynamic spacing of heads from record-carriers
    • G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/16—Supporting the heads; Supporting the sockets for plug-in heads
    • G11B21/20—Supporting the heads; Supporting the sockets for plug-in heads while the head is in operative position but stationary or permitting minor movements to follow irregularities in surface of record carrier
    • G11B21/21—Supporting the heads; Supporting the sockets for plug-in heads while the head is in operative position but stationary or permitting minor movements to follow irregularities in surface of record carrier with provision for maintaining desired spacing of head from record carrier, e.g. fluid-dynamic spacing, slider

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Moving Of Heads (AREA)

Abstract

내용 없음.

Description

헤드이송장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도∼제5도는, 본 발명에 있어서의 제1의 실시예를 표시하며,
제1도는 분해사시도.
제 2도는 상면도.
제 3 도는 A-A' 단면도.

Claims (4)

  1. 기록매체의 임의의 정보트랙에의 정보의 기록 또는 기록한 정보의 재생 또는 소거를 하는 소자를 포함하는 가동유니트와, 상기 가동유니트에 배설된 억세스코일과, 상기 억세스코일에 상기 가동유니트를 상기 정보트랙의 직교방향으로 이송하는 전자력을 발생시키는 자기회로와, 상기 가동유니트에 배설된 베어링과, 상기 베어링을 개재해서 상기 가동유니트를 상기 정보트랙의 직교방향으로 이동자재하게 지지하는 안내와, 상기 가동유니트의 적어도 1개소에 배설되고, 상기 자기회로의 누설자속에 의해 상기 베어링의 적어도 1개소를 상기 안내에 압압하는 방향의 자기력을 발생하는 자성체를 구비한 헤드이송장치.
  2. 제1항에 있어서, 상기 베어링 플레인베어링인 것을 특징으로 하는 헤드이송장치.
  3. 기록매체의 임의의 정보트랙에의 정보의 기록 또는 기록한 정보의 재생 또는 소거를 하는 소자를 포함하는 가동유니트와, 상기 가동유니트에 배설된 억세스코일과, 상기 억세스코일에 상기 가동유니트를 상기 정보트랙의 직교방향으로 이송하는 전자력을 발생시키는 자기회로와, 상기 가동유니트에 배설된 베어링과, 상기 베어링을 개재해서 상기 가동유니트를 상기 정보트랙의 직교방향으로 이동자재하게 지지하는 안내와, 상기 가동유니트의 적어도 1개소에 배설되고, 상기 자기회로의 누설자속에 의해 자중방향과 반대방향으로 작용하는 자기력을 발생하고, 적어도 상기 베어링의 1개소에 걸리는 상기 가동유니트의 자중에 의한 베어링압력을 경감하는 자성체를 구비한 헤드이송장치.
  4. 제3항에 있어서, 상기 베어링은 플레인베어링인 것을 특징으로 하는 헤드이송장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890012136A 1988-09-02 1989-08-25 헤드이송장치 Expired KR920006308B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63-220948 1988-09-02
JP63220948A JPH0756695B2 (ja) 1988-09-02 1988-09-02 ヘッド移送装置

Publications (2)

Publication Number Publication Date
KR900005423A true KR900005423A (ko) 1990-04-14
KR920006308B1 KR920006308B1 (ko) 1992-08-03

Family

ID=16759062

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890012136A Expired KR920006308B1 (ko) 1988-09-02 1989-08-25 헤드이송장치

Country Status (3)

Country Link
US (1) US5018033A (ko)
JP (1) JPH0756695B2 (ko)
KR (1) KR920006308B1 (ko)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2512269Y2 (ja) * 1989-11-28 1996-09-25 オリンパス光学工業株式会社 キャリッジ組立体
JPH0460929A (ja) * 1990-06-25 1992-02-26 Canon Inc 光学ヘッド及び該光学ヘッドを備えた光学的情報記録再生装置
JP2600016B2 (ja) * 1990-09-11 1997-04-16 株式会社日立製作所 光学式情報記録再生装置、及びその組立方法
JPH04186536A (ja) * 1990-11-20 1992-07-03 Matsushita Electric Ind Co Ltd 光ディスク装置
US5416756A (en) * 1991-11-07 1995-05-16 Mitsubishi Denki Kabushiki Kaisha Lens actuating system with improved frequency response for optical disk drive
JPH06119640A (ja) * 1992-10-06 1994-04-28 Mitsubishi Electric Corp 光学式情報記録再生装置
US5491684A (en) * 1993-04-02 1996-02-13 Matsushita Electric Industrial Co., Ltd. Optical disk unit
KR100498471B1 (ko) * 2002-12-27 2005-07-01 삼성전자주식회사 구동 칩 일체형 레이저 다이오드 모듈 및 이를 채용한광픽업장치
TWI236669B (en) * 2004-09-24 2005-07-21 Benq Corp Optical drive with symmetrical anti-impact structure
TWI254288B (en) * 2004-09-30 2006-05-01 Benq Corp Optical disk drive with mechanism of protecting pick-up head
US7408848B2 (en) * 2004-12-28 2008-08-05 Industrial Technology Research Institute Objective lens actuator
TWI268493B (en) * 2005-08-11 2006-12-11 Benq Corp Carrying mechanism and optical disc drive using the same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4415821A (en) * 1982-05-10 1983-11-15 Kollmorgen Technologies Corporation Dynamic magnetic preload bearing structure for a linear motor
JPS60192684U (ja) * 1984-05-30 1985-12-21 アルプス電気株式会社 デイスクプレ−ヤのピツクアツプ駆動装置
JPS6247878A (ja) * 1985-08-28 1987-03-02 Olympus Optical Co Ltd 光ヘツドのガイド機構
JPS6267362U (ko) * 1985-10-18 1987-04-27
JPS62109267A (ja) * 1985-11-07 1987-05-20 Matsushita Electric Ind Co Ltd 光学式記録再生装置
JPH0538444Y2 (ko) * 1985-11-22 1993-09-29

Also Published As

Publication number Publication date
JPH0268731A (ja) 1990-03-08
KR920006308B1 (ko) 1992-08-03
US5018033A (en) 1991-05-21
JPH0756695B2 (ja) 1995-06-14

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