JPH0193619U - - Google Patents

Info

Publication number
JPH0193619U
JPH0193619U JP1987190268U JP19026887U JPH0193619U JP H0193619 U JPH0193619 U JP H0193619U JP 1987190268 U JP1987190268 U JP 1987190268U JP 19026887 U JP19026887 U JP 19026887U JP H0193619 U JPH0193619 U JP H0193619U
Authority
JP
Japan
Prior art keywords
optical
yoke
recording surface
optical pickup
pickup
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.)
Pending
Application number
JP1987190268U
Other languages
English (en)
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 filed Critical
Priority to JP1987190268U priority Critical patent/JPH0193619U/ja
Priority to US07/279,635 priority patent/US5022022A/en
Publication of JPH0193619U publication Critical patent/JPH0193619U/ja
Pending 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
    • G11B7/093—Electromechanical actuators for lens positioning for focusing and tracking

Landscapes

  • Optical Recording Or Reproduction (AREA)

Description

【図面の簡単な説明】
第１図Ａ及びＢは本考案による光学式ピツクア
ツプを示した正面図及び側面図、第２図Ａ及びＢ
は第１図Ａ及びＢの部分拡大図、第３図Ａ及びＢ
は従来の光学式ピツクアツプを示した正面図及び
側面図である。 主要部分の符号の説明、１……対物レンズ、３
……フオーカシングコイル、５ａ，５ｂ……トラ
ツキングコイル、６……支持部材、１０ａ，１０
ｂ……外側ヨーク、１２ａ，１２ｂ……内側ヨー
ク、１３ａ，１３ｂ……磁石、１５……磁気ギヤ
ツプ。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 光学式記録媒体の記録面にスポツト光を照
    射する光学式ピツクアツプの光学部品を前記記録
    面に直角な方向及びこれと直角な方向に移動可能
    に支持する支持機構と、磁気ギヤツプを有する磁
    気回路及び少なくとも一部が前記磁気ギヤツプに
    配されるコイルからなり前記光学部品を駆動する
    駆動手段とを含む光学式ピツクアツプであつて、
    前記支持機構は前記磁気回路を構成するヨークと
    、一端にて前記ヨークに担持され他端にて前記光
    学部品を担持する可撓性支持部材とからなること
    を特徴とする光学式ピツクアツプ。 (2) 前記ヨークと前記可撓性支持部材とは互い
    に絶縁されていることを特徴とする実用新案登録
    請求の範囲第１項記載のピツクアツプ。
JP1987190268U 1987-12-15 1987-12-15 Pending JPH0193619U (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1987190268U JPH0193619U (ja) 1987-12-15 1987-12-15
US07/279,635 US5022022A (en) 1987-12-15 1988-12-05 Support structure for an optical pickup electrically adjustable in two directions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987190268U JPH0193619U (ja) 1987-12-15 1987-12-15

Publications (1)

Publication Number Publication Date
JPH0193619U true JPH0193619U (ja) 1989-06-20

Family

ID=16255322

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987190268U Pending JPH0193619U (ja) 1987-12-15 1987-12-15

Country Status (2)

Country Link
US (1) US5022022A (ja)
JP (1) JPH0193619U (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0153766B1 (ko) * 1988-12-20 1998-12-15 이우에 사또시 광픽업장치
JP2537397B2 (ja) * 1989-03-30 1996-09-25 旭光学工業株式会社 光学式ピックアップ装置
JP2002092910A (ja) * 2000-09-19 2002-03-29 Mitsumi Electric Co Ltd 光ピックアップ用アクチュエータ

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60160030A (ja) * 1984-01-30 1985-08-21 Canon Inc 光学的記録再生装置の対物レンズ駆動装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4555780A (en) * 1981-11-19 1985-11-26 Ricoh Co. Ltd. Optical recording and playback unit
US4794580A (en) * 1985-07-12 1988-12-27 Pioneer Electronic Corporation Pickup system in optical information recording and reproducing apparatus with damped lead wires
JPS6447829A (en) * 1987-08-18 1989-02-22 Furukawa Aluminium Aluminum alloy cladding plate for wrapping

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60160030A (ja) * 1984-01-30 1985-08-21 Canon Inc 光学的記録再生装置の対物レンズ駆動装置

Also Published As

Publication number Publication date
US5022022A (en) 1991-06-04

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