JPH03110634U - - Google Patents

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Publication number
JPH03110634U
JPH03110634U JP1688090U JP1688090U JPH03110634U JP H03110634 U JPH03110634 U JP H03110634U JP 1688090 U JP1688090 U JP 1688090U JP 1688090 U JP1688090 U JP 1688090U JP H03110634 U JPH03110634 U JP H03110634U
Authority
JP
Japan
Prior art keywords
fixed part
opening
light
disk
extraction
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
JP1688090U
Other languages
English (en)
Other versions
JP2553035Y2 (ja
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 JP1990016880U priority Critical patent/JP2553035Y2/ja
Publication of JPH03110634U publication Critical patent/JPH03110634U/ja
Application granted granted Critical
Publication of JP2553035Y2 publication Critical patent/JP2553035Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

【図面の簡単な説明】
第1図はこの考案の一実施例を示す分離型光学
ヘツド装置を備えた光磁気デイスク装置のシヤー
シを裏側より見た全体斜視図、第2図は同光学ヘ
ツド装置の概略断面図、第3図は従来例の分離型
光学ヘツド装置を備えた光磁気デイスク装置のシ
ヤーシを裏側より見た全体斜視図、第4図は同光
学ヘツド装置の概略断面図である。 5……デイスク、5a……信号面、10……光
学ヘツド装置、20……固定部、21a……光導
出入用の開口部、22……レーザーダイオード(
光源)、26……フオトダイオード(光検出器)
、27……防塵用カバー、30……可動部、31
a……光導出入用の開口部、33……対物レンズ
、37,38……防塵用カバー。

Claims (1)

    【実用新案登録請求の範囲】
  1. 光源、光検出器等を有する固定部と、この固定
    部に対しデイスクの径方向に移動自在に配設され
    て上記光源からの光ビームをデイスクの信号面上
    に集束させる対物レンズ等を有する可動部とを備
    え、上記固定部側の光導出入用の開口部と、上記
    可動部側の光導出入用の開口部とに、防塵用カバ
    ーをそれぞれ設けたことを特徴とする光学ヘツド
    装置。
JP1990016880U 1990-02-22 1990-02-22 光学ヘッド装置 Expired - Lifetime JP2553035Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990016880U JP2553035Y2 (ja) 1990-02-22 1990-02-22 光学ヘッド装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990016880U JP2553035Y2 (ja) 1990-02-22 1990-02-22 光学ヘッド装置

Publications (2)

Publication Number Publication Date
JPH03110634U true JPH03110634U (ja) 1991-11-13
JP2553035Y2 JP2553035Y2 (ja) 1997-11-05

Family

ID=31520122

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990016880U Expired - Lifetime JP2553035Y2 (ja) 1990-02-22 1990-02-22 光学ヘッド装置

Country Status (1)

Country Link
JP (1) JP2553035Y2 (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03127339A (ja) * 1989-10-13 1991-05-30 Canon Inc 光学ヘッド

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03127339A (ja) * 1989-10-13 1991-05-30 Canon Inc 光学ヘッド

Also Published As

Publication number Publication date
JP2553035Y2 (ja) 1997-11-05

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term