JPH0284119U - - Google Patents

Info

Publication number
JPH0284119U
JPH0284119U JP16466688U JP16466688U JPH0284119U JP H0284119 U JPH0284119 U JP H0284119U JP 16466688 U JP16466688 U JP 16466688U JP 16466688 U JP16466688 U JP 16466688U JP H0284119 U JPH0284119 U JP H0284119U
Authority
JP
Japan
Prior art keywords
piezoelectric element
lens
air gap
fixing member
displacement
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
JP16466688U
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 JP16466688U priority Critical patent/JPH0284119U/ja
Publication of JPH0284119U publication Critical patent/JPH0284119U/ja
Pending legal-status Critical Current

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  • Optical Recording Or Reproduction (AREA)

Description

【図面の簡単な説明】
図面は本考案の一実施例を示す縦断側面図であ
る。 1…固定部材、6…レンズ支持体、7…絞り込
みレンズ、8…電磁装置、18…圧電素子、19
…エアーギヤツプ。

Claims (1)

  1. 【実用新案登録請求の範囲】 1 絞り込みレンズを保持するとともに電磁装置
    に連結されたレンズ支持体を前記絞り込みレンズ
    の光軸方向に沿つて固定部材に往復動自在に嵌合
    し、変位方向が前記絞り込みレンズの光軸方向と
    直行する方向に定められた圧電素子を前記固定部
    材と前記レンズ支持体との対向面の一方の面に固
    定するとともに他方の面と前記圧電素子との間に
    エアーギヤツプを形成したことを特徴とする可変
    ダンピング光ヘツド。 2 エアギヤツプを零にする変位量をもつ圧電素
    子を用いたことを特徴とする請求項1記載の可変
    ダンピング光ヘツド。
JP16466688U 1988-12-20 1988-12-20 Pending JPH0284119U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16466688U JPH0284119U (ja) 1988-12-20 1988-12-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16466688U JPH0284119U (ja) 1988-12-20 1988-12-20

Publications (1)

Publication Number Publication Date
JPH0284119U true JPH0284119U (ja) 1990-06-29

Family

ID=31450476

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16466688U Pending JPH0284119U (ja) 1988-12-20 1988-12-20

Country Status (1)

Country Link
JP (1) JPH0284119U (ja)

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