ATE74681T1 - Optische lesekopfvorrichtungen. - Google Patents

Optische lesekopfvorrichtungen.

Info

Publication number
ATE74681T1
ATE74681T1 AT86306257T AT86306257T ATE74681T1 AT E74681 T1 ATE74681 T1 AT E74681T1 AT 86306257 T AT86306257 T AT 86306257T AT 86306257 T AT86306257 T AT 86306257T AT E74681 T1 ATE74681 T1 AT E74681T1
Authority
AT
Austria
Prior art keywords
support member
optical axis
optical
axis
rotation axis
Prior art date
Application number
AT86306257T
Other languages
English (en)
Inventor
Hiroshi Oinoue
Yoshimasa Goda
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of ATE74681T1 publication Critical patent/ATE74681T1/de

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
    • 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
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/0932—Details of sprung supports
    • 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
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/093—Electromechanical actuators for lens positioning for focusing and tracking

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Die Bonding (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
  • Lasers (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Head (AREA)
  • Facsimile Heads (AREA)
AT86306257T 1985-08-16 1986-08-13 Optische lesekopfvorrichtungen. ATE74681T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP60180145A JPH0668843B2 (ja) 1985-08-16 1985-08-16 光学ピツクアツプ装置
EP86306257A EP0212941B1 (de) 1985-08-16 1986-08-13 Optische Lesekopfvorrichtungen

Publications (1)

Publication Number Publication Date
ATE74681T1 true ATE74681T1 (de) 1992-04-15

Family

ID=16078188

Family Applications (1)

Application Number Title Priority Date Filing Date
AT86306257T ATE74681T1 (de) 1985-08-16 1986-08-13 Optische lesekopfvorrichtungen.

Country Status (8)

Country Link
US (1) US4766583A (de)
EP (1) EP0212941B1 (de)
JP (1) JPH0668843B2 (de)
KR (1) KR950014833B1 (de)
AT (1) ATE74681T1 (de)
CA (1) CA1268369A (de)
DE (1) DE3684734D1 (de)
HK (1) HK160295A (de)

Families Citing this family (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2541963B2 (ja) * 1987-02-27 1996-10-09 オリンパス光学工業株式会社 対物レンズ駆動装置
JPS63257927A (ja) * 1987-04-15 1988-10-25 Pioneer Electronic Corp ピツクアツプアクチユエ−タ
US4922477A (en) * 1987-05-30 1990-05-01 Nec Home Electronics Ltd. Optical head unit
JPS6459647A (en) * 1987-08-31 1989-03-07 Nippon Denki Home Electronics Objective lens actuator for optical head
JPS6442520U (de) * 1987-09-08 1989-03-14
DE3831425C2 (de) * 1987-09-16 1998-01-22 Sankyo Seiki Seisakusho Kk Optische Abnehmervorrichtung
JPH01128238A (ja) * 1987-11-13 1989-05-19 Toshiba Corp 光学手段支持装置
US5073883A (en) * 1988-01-27 1991-12-17 Sony Corporation Objective lens driving apparatus including parallalogram structure
JP2529876Y2 (ja) * 1988-03-17 1997-03-19 シャープ株式会社 対物レンズ支持装置
JP2536436Y2 (ja) * 1988-05-25 1997-05-21 シャープ株式会社 対物レンズ駆動装置
US5050964A (en) * 1988-06-25 1991-09-24 Nec Home Electronics Ltd. Objective lens supporting mechanism for use in an optical head of an optical disc apparatus
JPH0266739A (ja) * 1988-09-01 1990-03-06 Pioneer Electron Corp 光学式ビックアップ装置
US5132944A (en) * 1988-09-20 1992-07-21 Hewlett-Packard Company Half-height magneto-optic disk drive
JPH0679384B2 (ja) * 1988-09-30 1994-10-05 日本電気株式会社 対物レンズ駆動装置
US5206762A (en) * 1988-12-01 1993-04-27 Kabushiki Kaisha Toshiba Viscoelastic substance and objective lens driving apparatus with the same
JPH0758553B2 (ja) * 1989-01-12 1995-06-21 日本電気株式会社 対物レンズ駆動装置
EP0617417B1 (de) * 1989-02-10 1997-04-16 Kabushiki Kaisha Toshiba Gerät zum Antreiben einer Objektivlinse
JP2684762B2 (ja) * 1989-04-20 1997-12-03 ソニー株式会社 対物レンズ駆動装置
JPH0734495Y2 (ja) * 1989-05-09 1995-08-02 パイオニア株式会社 光学式ピックアップ
US6141300A (en) 1989-06-20 2000-10-31 Discovision Associates Optical actuator including lens assembly with optical axis having symmetric suspensory forces acting thereon and optical disc system including same
US5265079A (en) 1991-02-15 1993-11-23 Applied Magnetics Corporation Seek actuator for optical recording
US5150343A (en) * 1989-07-19 1992-09-22 Matsushita Electric Industrial Co., Ltd. Miniaturized low-power-consumption optical head provided with a state transformation mechanism
US5253402A (en) * 1989-07-25 1993-10-19 Kabushiki Kaisha Toshiba Method of manufacturing a leaf spring mechanism
JPH03104027A (ja) * 1989-09-18 1991-05-01 Sony Corp 対物レンズ駆動装置
US5293363A (en) * 1989-10-13 1994-03-08 Mitsubishi Denki Kabushiki Kaisha Optical head apparatus with light weight movable lens holder
JP2765633B2 (ja) * 1989-11-02 1998-06-18 オリンパス光学工業株式会社 光学系支持装置
JP2757891B2 (ja) * 1989-11-10 1998-05-25 キヤノン株式会社 アクチュエータ
US5182738A (en) * 1989-11-10 1993-01-26 Canon Kabushiki Kaisha Objective lens actuator using a balance weight therein
JPH077522B2 (ja) * 1990-01-31 1995-01-30 シャープ株式会社 レンズ駆動用支持体
US5046819A (en) * 1990-04-16 1991-09-10 International Business Machines Corporation Objective lens support having rotary and axial motions for use in an optical disk apparatus
NL9001492A (nl) * 1990-06-29 1992-01-16 Philips Nv Electro-optische aftastinrichting, alsmede optische speler voorzien van de aftastinrichting.
KR920015291A (ko) * 1991-01-31 1992-08-26 강진구 광학기록 및 재생장치의 대물렌즈 구동수단
US6236625B1 (en) 1991-02-15 2001-05-22 Discovision Associates Optical disc system having current monitoring circuit with controller for laser driver and method for operating same
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
US5729511A (en) 1991-02-15 1998-03-17 Discovision Associates Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal
US6069857A (en) 1991-02-15 2000-05-30 Discovision Associates Optical disc system having improved circuitry for performing blank sector check on readable disc
JPH0534617A (ja) * 1991-07-26 1993-02-12 Minolta Camera Co Ltd レーザビーム走査光学装置
US5313334A (en) * 1991-07-29 1994-05-17 Sony Corporation Objective lens moving actuator
DE69219856T2 (de) * 1991-11-07 1997-12-18 Philips Electronics Nv Elektrooptische Abtasteinrichtung, Gelenkelement zum Gebrauch in der Abtasteinrichtung sowie optischer Plattenspieler mit der Abtasteinrichtung
KR950004797B1 (ko) * 1991-12-31 1995-05-10 삼성전자주식회사 레이져 디스크 플레이어의 광픽업 장치
JPH05258325A (ja) * 1992-01-13 1993-10-08 Sharp Corp 対物レンズ駆動装置
US5461598A (en) * 1992-09-18 1995-10-24 Eastman Kodak Company Balanced focus actuator for an optical storage system
US5432763A (en) * 1993-03-15 1995-07-11 Hewlett-Packard Company Subminiature rotary actuator optical head
US5519677A (en) * 1993-03-22 1996-05-21 Sony Corporation Biaxial actuator for driving an objective lens in both focusing and tracking directions
US5428589A (en) * 1993-08-17 1995-06-27 Eastman Kodak Company Apparatus and method for an electromagnetic actuator with two orthogonal axes of motion
JP3279024B2 (ja) * 1993-10-30 2002-04-30 ソニー株式会社 光ピックアップ装置
JP3246140B2 (ja) * 1993-11-16 2002-01-15 ソニー株式会社 対物レンズ駆動装置
JP3319481B2 (ja) * 1993-12-22 2002-09-03 ソニー株式会社 対物レンズ駆動装置及びこれを利用した光ディスク装置
JPH0830991A (ja) * 1994-07-08 1996-02-02 Seiko Epson Corp 光ピックアップ装置
US5898652A (en) * 1994-07-08 1999-04-27 Seiko Epson Corporation Support structure for an optical pickup
US6434087B1 (en) 1995-01-25 2002-08-13 Discovision Associates Optical disc system and method for controlling bias coil and light source to process information on a storage medium
JP2572081Y2 (ja) * 1995-04-05 1998-05-20 シャープ株式会社 対物レンズ支持装置
JPH0954969A (ja) * 1995-08-11 1997-02-25 Minebea Co Ltd 対物レンズ支持装置
JP3881634B2 (ja) * 2002-09-20 2007-02-14 シャープ株式会社 光ピックアップ装置およびその調整方法
GB0315273D0 (en) * 2003-07-01 2003-08-06 1 Ltd Lens suspension and actuation apparatus
EP1783757A1 (de) * 2005-11-07 2007-05-09 Deutsche Thomson-Brandt Gmbh Gerät zum Lesen und/oder Beschreiben optischer Aufzeichnungsträger
EP1783760B1 (de) * 2005-11-07 2009-05-06 Thomson Licensing S.A. Vorrichtung zum Lesen von und/oder Schreiben auf optischen Aufzeichnungsmedien

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57103131A (en) * 1980-12-18 1982-06-26 Sony Corp Biaxial driver
JPS57120240A (en) * 1981-01-16 1982-07-27 Sony Corp Optical disk player
JPS57178233A (en) * 1981-04-27 1982-11-02 Sony Corp Supporting structure of optical system
US4475179A (en) * 1982-06-30 1984-10-02 Eastman Kodak Company Optical disc write/read methods and apparatus with improved focus and tracking control
JPS5914134U (ja) * 1982-07-19 1984-01-28 パイオニア株式会社 可動体の支持構造
JPS5920438U (ja) * 1982-07-27 1984-02-07 パイオニア株式会社 光学式情報読取装置における光学系駆動装置
JPS59168839U (ja) * 1983-04-28 1984-11-12 パイオニア株式会社 光学式情報読取装置における光学部品の駆動機構
WO1984004841A1 (en) * 1983-05-31 1984-12-06 Matsushita Electric Industrial Co Ltd Apparatus for driving objective lens of optical disc player
US4615355A (en) * 1983-09-26 1986-10-07 Garcia Gervasio B Automobile anti-theft device
US4633456A (en) * 1984-01-23 1986-12-30 International Business Machines Corporation Two axis electromagnetic actuator
JPH064415Y2 (ja) * 1984-04-23 1994-02-02 パイオニア株式会社 レンズ駆動装置
NL8403052A (nl) * 1984-10-08 1986-05-01 Philips Nv Optische inrichting.
JPH0750526B2 (ja) * 1986-03-15 1995-05-31 ソニー株式会社 デイスクプレ−ヤの光学ヘツド装置

Also Published As

Publication number Publication date
EP0212941A2 (de) 1987-03-04
KR870002558A (ko) 1987-03-31
DE3684734D1 (de) 1992-05-14
EP0212941B1 (de) 1992-04-08
JPS6240627A (ja) 1987-02-21
HK160295A (en) 1995-10-20
CA1268369A (en) 1990-05-01
KR950014833B1 (ko) 1995-12-15
EP0212941A3 (en) 1989-01-18
US4766583A (en) 1988-08-23
JPH0668843B2 (ja) 1994-08-31

Similar Documents

Publication Publication Date Title
ATE74681T1 (de) Optische lesekopfvorrichtungen.
SG67193G (en) Optical scanning device,mirror objective suitable for use therein and an optical recording and/or reproducing apparatus provided therewith
SE7708701L (sv) Optisk avlesningsenhet for avsokning av en uppteckningsberare med en stralningsreflekterande informationsstruktur
ATE104792T1 (de) Optische abtastvorrichtung.
EP0326354A3 (de) Lesegerät fur ein optisches Speichermedium
EP0379363A3 (de) Optische Kopfanordnung zur Verwendung in einem optischen Scheibensystem
DE3778406D1 (de) Optische kopfeinrichtungen fuer plattenspieler.
ATE104793T1 (de) Optische abtastvorrichtung, geeignetes spiegelobjektiv fuer diese vorrichtung und optische schreib- und/oder leseanordnung mit der abtastvorrichtung.
MY104267A (en) Optical pick-up devices
DE69131855D1 (de) Aufzeichnungs-/Wiedergabesystem für eine magneto-optische Platte
EP0400570A3 (de) Optisches Informationsverarbeitungssystem
JPS55125417A (en) Photodetector
BR9601008A (pt) Aparelhos para reproduzir ou gravar oticamente informações sobre um disco ótico e para controlar a posição de uma lente
EP0367465A3 (de) Optische Abtasteinrichtungen
ATE75544T1 (de) Optisch arbeitendes oberflaechenpruefgeraet.
ATE110875T1 (de) Optische abtastvorrichtung.
JPS6488931A (en) Servo optical pick-up device
JPS6479944A (en) Optical pickup device
JPS621131A (ja) 光学ヘツド
JPS5661044A (en) Optical information reader
ATE115320T1 (de) Gerät zur feststellung der neigung einer optischen karte.
JPH01146315U (de)
KR890010825A (ko) 광 픽업 장치
KR19990005968U (ko) 광검측기 조정장치
JPS6016323U (ja) ピツクアツプ装置

Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee