JPS60173123U - レンズ駆動装置 - Google Patents

レンズ駆動装置

Info

Publication number
JPS60173123U
JPS60173123U JP1984059718U JP5971884U JPS60173123U JP S60173123 U JPS60173123 U JP S60173123U JP 1984059718 U JP1984059718 U JP 1984059718U JP 5971884 U JP5971884 U JP 5971884U JP S60173123 U JPS60173123 U JP S60173123U
Authority
JP
Japan
Prior art keywords
optical axis
objective lens
coil
axis direction
recording surface
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
JP1984059718U
Other languages
English (en)
Other versions
JPH064415Y2 (ja
Inventor
栗原　俊彦
Original Assignee
パイオニア株式会社
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 パイオニア株式会社 filed Critical パイオニア株式会社
Priority to JP1984059718U priority Critical patent/JPH064415Y2/ja
Priority to DE19853514658 priority patent/DE3514658A1/de
Priority to US06/726,597 priority patent/US4679904A/en
Priority to GB08510338A priority patent/GB2159293B/en
Publication of JPS60173123U publication Critical patent/JPS60173123U/ja
Application granted granted Critical
Publication of JPH064415Y2 publication Critical patent/JPH064415Y2/ja
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
    • G11B7/0925—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)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【図面の簡単な説明】
第１図は既に提案されたレンズ駆動装置の斜視図、第２
図、第３図及び第４図は本考案に係るレンズ駆動装置の
各側断面図、平面図及び斜視図、第５図は該レンズ駆動
装置の一部変形例を示す斜視図である。 主要部分の符号の説明、２１・・・・・・対物レンズ、
２２・・・・・・ボビン、２２ｂ・・・・・・サブボビ
ン、２３・・・・・・ベース、２４．２５・・川・板バ
ネ、２６，２７・・・・・・ブロック、３０・・・・・
・フォーカシングコイル、３１・・・・・・トラッキン
グコイル、３３．３４・・・・・・マグ　　、ネット、
３５・・川・ヨーク。

Claims (1)

    【実用新案登録請求の範囲】
  1. □　　　記録媒体の記録面にスポット光を照射せしめる
    ための対物レンズと、前記対物レンズを該対物レンズの
    光軸方向疎び前記光軸方向と垂直な方向１こおいて移動
    可能に且つ前記対物レンズの光軸が前記記録面に対して
    垂直であるように支持する支持機構と、前記対物レンズ
    を前記光軸方向及び前記垂直な方向に駆動する駆動手段
    とを含み、前記駆動手段はコイル中心軸が前記光軸方向
    と略平行であるように巻回された第１コイルと、コイル
    中心軸が前記光軸方向に垂直であるように巻回された第
    ２コイルと、前記第１コイル及び第２コイルを囲むよう
    に形成されて前記第１コイル及び第２コイルに鎖交する
    磁束を発生する単一の磁気回路とからなることを特徴と
    するレンズ駆動機構。
JP1984059718U 1984-04-23 1984-04-23 レンズ駆動装置 Expired - Lifetime JPH064415Y2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1984059718U JPH064415Y2 (ja) 1984-04-23 1984-04-23 レンズ駆動装置
DE19853514658 DE3514658A1 (de) 1984-04-23 1985-04-23 Antriebseinrichtung mit vereinfachtem aufbau fuer die linse einer optischen leseeinheit
US06/726,597 US4679904A (en) 1984-04-23 1985-04-23 Lens driving device for an optical pickup unit with simplified construction
GB08510338A GB2159293B (en) 1984-04-23 1985-04-23 Lens driving device for an optical pickup

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984059718U JPH064415Y2 (ja) 1984-04-23 1984-04-23 レンズ駆動装置

Publications (2)

Publication Number Publication Date
JPS60173123U true JPS60173123U (ja) 1985-11-16
JPH064415Y2 JPH064415Y2 (ja) 1994-02-02

Family

ID=13121259

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984059718U Expired - Lifetime JPH064415Y2 (ja) 1984-04-23 1984-04-23 レンズ駆動装置

Country Status (4)

Country Link
US (1) US4679904A (ja)
JP (1) JPH064415Y2 (ja)
DE (1) DE3514658A1 (ja)
GB (1) GB2159293B (ja)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0668843B2 (ja) * 1985-08-16 1994-08-31 ソニー株式会社 光学ピツクアツプ装置
DE3684124D1 (de) * 1985-12-27 1992-04-09 Mitsubishi Electric Corp Antriebsvorrichtung fuer ein objektiv.
US4845699A (en) * 1986-03-04 1989-07-04 Sanyo Electric Co., Ltd. Electric mechanical transducer and optical type pickup apparatus driven by a magnetic field
US4811320A (en) * 1986-03-04 1989-03-07 Sanyo Electric Co., Ltd. Optical type pickup apparatus with lens holder supported by frame wires each having an end inserted into a frame hole
US4842392A (en) * 1986-05-26 1989-06-27 Matsushita Electric Industrial Co., Ltd. Objective lens driving unit
US4782476A (en) * 1986-06-24 1988-11-01 Sharp Kabushiki Kaisha Objective lens-driving unit
JPS63257927A (ja) * 1987-04-15 1988-10-25 Pioneer Electronic Corp ピツクアツプアクチユエ−タ
US4794581A (en) * 1987-06-25 1988-12-27 International Business Machines Corporation Lens support system enabling focussing and tracking motions employing a unitary lens holder
NL8702034A (nl) * 1987-08-31 1989-03-16 Philips Nv Optische eenheid voor het contactloos inschrijven en/of aftasten van een informatiespoor, alsmede inrichting voorzien van de optische eenheid.
JPH01128238A (ja) * 1987-11-13 1989-05-19 Toshiba Corp 光学手段支持装置
JPH01113827U (ja) * 1988-01-21 1989-07-31
US4987565A (en) * 1988-01-22 1991-01-22 Olympus Optical Co., Ltd. Apparatus for driving objective lens
US4863252A (en) * 1988-02-11 1989-09-05 Tracor Northern, Inc. Objective lens positioning system for confocal tandem scanning reflected light microscope
US5216643A (en) * 1988-09-20 1993-06-01 Hewlett-Packard Company Rotary arm and optical head for a magneto-optic disk drive
US5136558A (en) * 1989-06-20 1992-08-04 Applied Magnetics Corporation Two axis electromagnetic actuator
US5265079A (en) * 1991-02-15 1993-11-23 Applied Magnetics Corporation Seek actuator for optical recording
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
US5107372A (en) * 1989-09-06 1992-04-21 Daniel Gelbart Focus servo actuator for moving lens scanners
JP2533948B2 (ja) * 1989-11-07 1996-09-11 パイオニア株式会社 光ディスク原盤記録装置
US5808980A (en) * 1991-02-15 1998-09-15 Discovision Associates Seek actuator for optical recording
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
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
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
US5177640A (en) * 1991-10-08 1993-01-05 Applied Magnetics Corporation Two-axis moving coil actuator
US5432763A (en) * 1993-03-15 1995-07-11 Hewlett-Packard Company Subminiature rotary actuator optical head
US5920539A (en) * 1995-01-25 1999-07-06 Discovision Associates Apparatus and method for suppression of electromagnetic emissions having a groove on an external surface for passing an electrical conductor
US6091684A (en) * 1995-01-25 2000-07-18 Discovision Associates Optical disc system and method for changing the rotational rate of an information storage medium
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
US5748578A (en) * 1995-01-25 1998-05-05 Discovision Associates Colpitts type oscillator having reduced ringing and improved optical disc system utilizing same
NL1000924C2 (nl) * 1995-08-03 1997-02-04 Scantech Bv Autofocusseerinrichting met een capacitieve terugkoppellus en werkwijze voor autofocussering.
NL1000923C2 (nl) * 1995-08-03 1997-02-04 Scantech Bv Autofocusseerinrichting.
US10036895B2 (en) * 2015-05-28 2018-07-31 Corephotonics Ltd. Bi-directional stiffness for optical image stabilization in a dual-aperture digital camera

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57198548A (en) * 1981-05-29 1982-12-06 Victor Co Of Japan Ltd Readout lens device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2060927B (en) * 1979-07-24 1984-02-01 Universal Pioneer Corp Signal reading device for optical discs
JPS57122030U (ja) * 1981-01-26 1982-07-29
US4418405A (en) * 1981-06-29 1983-11-29 Rca Corporation Lens positioning controller for optical playback apparatus
FR2522860B1 (fr) * 1982-03-02 1989-07-13 Thomson Csf Tete optique d'ecriture-lecture d'un disque optique et dispositif optique associe a une telle tete
US4568142A (en) * 1982-04-26 1986-02-04 Hitachi, Ltd. Objective lens drive apparatus
US4475179A (en) * 1982-06-30 1984-10-02 Eastman Kodak Company Optical disc write/read methods and apparatus with improved focus and tracking control
JPS59104733A (ja) * 1982-12-08 1984-06-16 Pioneer Electronic Corp 光学式情報読取装置における光学系駆動装置
CA1208361A (en) * 1983-01-25 1986-07-22 Yoshikazu Fujii Optical focus position control in optical disc apparatus
NL8303700A (nl) * 1983-10-27 1985-05-17 Philips Nv Electro-optische inrichting.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57198548A (en) * 1981-05-29 1982-12-06 Victor Co Of Japan Ltd Readout lens device

Also Published As

Publication number Publication date
JPH064415Y2 (ja) 1994-02-02
GB2159293A (en) 1985-11-27
GB8510338D0 (en) 1985-05-30
GB2159293B (en) 1988-02-24
US4679904A (en) 1987-07-14
DE3514658A1 (de) 1985-10-24
DE3514658C2 (ja) 1990-04-05

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