DE68908948D1 - Mechanismus zur Neigungseinstellung für ein Steuergerät einer Objektlinse. - Google Patents

Mechanismus zur Neigungseinstellung für ein Steuergerät einer Objektlinse.

Info

Publication number
DE68908948D1
DE68908948D1 DE89304587T DE68908948T DE68908948D1 DE 68908948 D1 DE68908948 D1 DE 68908948D1 DE 89304587 T DE89304587 T DE 89304587T DE 68908948 T DE68908948 T DE 68908948T DE 68908948 D1 DE68908948 D1 DE 68908948D1
Authority
DE
Germany
Prior art keywords
control device
adjustment mechanism
object lens
lens control
tilt adjustment
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
DE89304587T
Other languages
English (en)
Other versions
DE68908948T2 (de
Inventor
Toshiyuki Tanaka
Etsuji Minami
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Publication of DE68908948D1 publication Critical patent/DE68908948D1/de
Application granted granted Critical
Publication of DE68908948T2 publication Critical patent/DE68908948T2/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
    • G11B7/08—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
    • G11B7/095—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 discs, e.g. for compensation of eccentricity or wobble
    • G11B7/0956—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 discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
    • 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
    • G11B11/10532—Heads
    • G11B11/10541—Heads for reproducing
    • 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
DE89304587T 1988-05-07 1989-05-05 Mechanismus zur Neigungseinstellung für ein Steuergerät einer Objektlinse. Expired - Lifetime DE68908948T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63111286A JP2634852B2 (ja) 1988-05-07 1988-05-07 対物レンズ駆動装置の傾き調整機構

Publications (2)

Publication Number Publication Date
DE68908948D1 true DE68908948D1 (de) 1993-10-14
DE68908948T2 DE68908948T2 (de) 1994-04-28

Family

ID=14557376

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89304587T Expired - Lifetime DE68908948T2 (de) 1988-05-07 1989-05-05 Mechanismus zur Neigungseinstellung für ein Steuergerät einer Objektlinse.

Country Status (6)

Country Link
US (1) US5008873A (de)
EP (1) EP0341936B1 (de)
JP (1) JP2634852B2 (de)
KR (1) KR920005262B1 (de)
CA (1) CA1323786C (de)
DE (1) DE68908948T2 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01259309A (ja) * 1988-04-08 1989-10-17 Minolta Camera Co Ltd 半導体レーザとコリメータレンズとの軸出し及びフォーカス調整機構
US5223970A (en) * 1989-03-16 1993-06-29 Asahi Kogaku Kogyo Kabushiki Kaisha Optical axis adjusting mechanism and method for optical information recording and reproducing device, and jig therefor
JP2747332B2 (ja) * 1989-07-05 1998-05-06 三菱電機株式会社 光ヘッド
JPH03203029A (ja) * 1989-12-28 1991-09-04 Pioneer Electron Corp 情報読取装置
US5313334A (en) * 1991-07-29 1994-05-17 Sony Corporation Objective lens moving actuator
JP2698251B2 (ja) * 1991-10-22 1998-01-19 シャープ株式会社 組立構造
JP2908677B2 (ja) * 1993-10-15 1999-06-21 株式会社ケンウッド 光学式ピックアップの対物レンズ姿勢調整機構
US5724337A (en) * 1993-10-29 1998-03-03 Tdk Corporation Optical pickup with a compact design
JPH07129966A (ja) * 1993-11-05 1995-05-19 Matsushita Electric Ind Co Ltd マルチビーム光ヘッド
JPH087315A (ja) * 1994-06-21 1996-01-12 Sony Corp 光学ピックアップ
JPH08273165A (ja) * 1995-03-30 1996-10-18 Pioneer Electron Corp 光ディスク用光ピックアップ装置
EP0746138B1 (de) * 1995-05-30 2000-08-02 Océ-Technologies B.V. Optische Justiervorrichtung für ein Abtastsystem
KR0183889B1 (ko) * 1996-06-25 1999-04-15 김광호 틸트 조정이 가능한 디스크플레이어
DE69732275T2 (de) * 1996-09-06 2005-07-07 Kabushiki Kaisha Toshiba, Kawasaki Scheibenwiedergabegerät
JP3509596B2 (ja) * 1998-02-06 2004-03-22 ティアック株式会社 ピックアップ調整機構
JP3547038B2 (ja) * 1998-10-06 2004-07-28 パイオニア株式会社 光ピックアップ装置
JP3592563B2 (ja) * 1998-12-28 2004-11-24 パイオニア株式会社 光ディスクプレーヤのスキュー調整装置
KR100504774B1 (ko) * 1998-12-31 2005-10-04 엘지전자 주식회사 광디스크드라이브의스큐조정방법및조정장치
JP3626644B2 (ja) 1999-09-29 2005-03-09 松下電器産業株式会社 光ディスク装置およびそのスピンドルモータ取付方法
JP3881146B2 (ja) * 2000-02-08 2007-02-14 パイオニア株式会社 ピックアップ及びピックアップの光軸調整方法
JP3668097B2 (ja) * 2000-03-17 2005-07-06 三洋電機株式会社 ピックアップ傾き調整機構を有するディスク記録又は再生装置
KR100436720B1 (ko) * 2001-08-28 2004-06-22 삼성전기주식회사 광픽업 액츄에이터
KR100894937B1 (ko) 2001-09-11 2009-04-27 파나소닉 주식회사 광디스크 장치
JP4097414B2 (ja) * 2001-09-11 2008-06-11 松下電器産業株式会社 光ディスク装置
KR100421456B1 (ko) * 2002-01-22 2004-03-09 삼성전기주식회사 대물렌즈 경사 조정용 광픽업 액츄에이터
JP3091275U (ja) * 2002-07-08 2003-01-24 船井電機株式会社 光ディスク装置
KR100455889B1 (ko) * 2002-08-22 2004-11-06 삼성전기주식회사 광 기록재생장치
TW594679B (en) * 2003-04-07 2004-06-21 Benq Corp Horizontal postion adjustment mechanism and method thereof
US20080212175A1 (en) * 2004-02-17 2008-09-04 Davide Agnetti Telescope Mount
EP1587077A1 (de) * 2004-04-15 2005-10-19 Deutsche Thomson-Brandt Gmbh Gerät zum Lesen und/oder Beschreiben optischer Aufzeichnungsträger
JP2007058898A (ja) * 2005-08-22 2007-03-08 Funai Electric Co Ltd 光ヘッド
CN101401156B (zh) * 2006-03-29 2011-07-27 三菱电机株式会社 透镜驱动装置、光拾取装置及安装调整方法
EP1873767A1 (de) * 2006-06-30 2008-01-02 Deutsche Thomson-Brandt Gmbh Optisches Abtastgerät und optisches Schreib- und Lesegerät
JP2011150755A (ja) * 2010-01-22 2011-08-04 Sanyo Electric Co Ltd 光ピックアップ装置及びその製造方法
US10126560B2 (en) * 2016-02-18 2018-11-13 National Engineering Research Center for Optical Instrumentation Spectrum-generation system based on multiple-diffraction optical phasometry

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2508752B1 (fr) * 1981-06-30 1985-09-20 Thomson Csf Dispositif de reglage du positionnement d'un capteur photoelectrique, notamment pour lecteur de videodisque
JPS58179946A (ja) * 1982-04-14 1983-10-21 Hitachi Ltd 光学式読取装置
JPS5974531U (ja) * 1982-11-12 1984-05-21 山水電気株式会社 光学式ピツクアツプの支持装置
JPS59125730U (ja) * 1983-02-09 1984-08-24 アルパイン株式会社 デイスクプレ−ヤのピツクアツプ調節機構
JPS60138746A (ja) * 1983-12-27 1985-07-23 Toshiba Corp 対物レンズ駆動装置およびその製造方法
US4818066A (en) * 1984-01-30 1989-04-04 Canon Kabushiki Kaisha Objective lens driving device
JPS60175323U (ja) * 1984-04-30 1985-11-20 日本電気ホームエレクトロニクス株式会社 光ピツクアツプの傾き調整装置
US4745589A (en) * 1984-10-04 1988-05-17 Seiko Epson Kabushiki Kaisha Objective lens actuator having movements restricting control means for an optical head
JPS61265731A (ja) * 1985-05-20 1986-11-25 Toshiba Corp 光学ヘツド
JPS62107446A (ja) * 1985-11-05 1987-05-18 Seiko Instr & Electronics Ltd 対物レンズ駆動装置
JPS62165732A (ja) * 1986-01-16 1987-07-22 Asahi Optical Co Ltd 光ピツクアツプの傾き調整機構
JPS62170028A (ja) * 1986-01-21 1987-07-27 Olympus Optical Co Ltd アクチユエ−タ傾き調整機構
JPS6387617A (ja) * 1986-09-30 1988-04-18 Toshiba Corp 光ピツクアツプ装置
JPH0661135B2 (ja) * 1986-12-08 1994-08-10 キヤノン株式会社 光ヘツド装置
JPS63149839A (ja) * 1986-12-12 1988-06-22 Matsushita Electric Ind Co Ltd 対物レンズ駆動装置
NL8701526A (nl) * 1987-06-30 1989-01-16 Philips Nv Inrichting voor het optisch aftasten van een roterende plaat.
US4913527A (en) * 1988-09-19 1990-04-03 Eastman Kodak Company Lens focus adjustment means

Also Published As

Publication number Publication date
EP0341936A2 (de) 1989-11-15
EP0341936B1 (de) 1993-09-08
US5008873A (en) 1991-04-16
EP0341936A3 (en) 1989-12-20
KR920005262B1 (ko) 1992-06-29
JP2634852B2 (ja) 1997-07-30
JPH01282736A (ja) 1989-11-14
CA1323786C (en) 1993-11-02
DE68908948T2 (de) 1994-04-28
KR890017677A (ko) 1989-12-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: PATENTANWAELTE MUELLER & HOFFMANN, 81667 MUENCHEN