JPH0185916U - - Google Patents

Info

Publication number
JPH0185916U
JPH0185916U JP18123787U JP18123787U JPH0185916U JP H0185916 U JPH0185916 U JP H0185916U JP 18123787 U JP18123787 U JP 18123787U JP 18123787 U JP18123787 U JP 18123787U JP H0185916 U JPH0185916 U JP H0185916U
Authority
JP
Japan
Prior art keywords
cylindrical body
columnar bodies
electrostrictive elements
laminated
optical
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
JP18123787U
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 JP18123787U priority Critical patent/JPH0185916U/ja
Publication of JPH0185916U publication Critical patent/JPH0185916U/ja
Pending legal-status Critical Current

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  • Optical Recording Or Reproduction (AREA)

Description

【図面の簡単な説明】
第1図はこの考案の一実施例の要部を示す斜視
図、第2図は第1図の部分断面図、第3図は第2
図の部分拡大図、第4図は従来例の構成を示す説
明図である。 11……円筒体、12a,12b……柱状体、
13……対物レンズ、14……プリズム、15…
…絶縁支持体。

Claims (1)

  1. 【実用新案登録請求の範囲】 フオーカス方向及びトラツキング方向に対物レ
    ンズを移動させて光軸の位置及び焦点がデイスク
    に追従するよう構成した光学ヘツドにおいて、 環状の積層型電歪素子を積層した円筒体端面に
    バイモルフ型電歪素子からなる2本の柱状体を前
    記円筒体の軸方向に対して平行に立設し、その柱
    状体の先端で対物レンズの端部を支持したことを
    特徴とする光学ヘツド。
JP18123787U 1987-11-27 1987-11-27 Pending JPH0185916U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18123787U JPH0185916U (ja) 1987-11-27 1987-11-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18123787U JPH0185916U (ja) 1987-11-27 1987-11-27

Publications (1)

Publication Number Publication Date
JPH0185916U true JPH0185916U (ja) 1989-06-07

Family

ID=31472728

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18123787U Pending JPH0185916U (ja) 1987-11-27 1987-11-27

Country Status (1)

Country Link
JP (1) JPH0185916U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58222449A (ja) * 1982-06-18 1983-12-24 Matsushita Electric Ind Co Ltd 光デイスク用アクチユエ−タ

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58222449A (ja) * 1982-06-18 1983-12-24 Matsushita Electric Ind Co Ltd 光デイスク用アクチユエ−タ

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