JPH03106522U - - Google Patents

Info

Publication number
JPH03106522U
JPH03106522U JP1416690U JP1416690U JPH03106522U JP H03106522 U JPH03106522 U JP H03106522U JP 1416690 U JP1416690 U JP 1416690U JP 1416690 U JP1416690 U JP 1416690U JP H03106522 U JPH03106522 U JP H03106522U
Authority
JP
Japan
Prior art keywords
objective lens
optical axis
support base
movable part
driving
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
JP1416690U
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 JP1416690U priority Critical patent/JPH03106522U/ja
Publication of JPH03106522U publication Critical patent/JPH03106522U/ja
Pending legal-status Critical Current

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Description

【図面の簡単な説明】
第1図A,B,Cは本考案の一実施例である対
物レンズ支持装置の三面図、第2図A,Bは第1
図に於ける要部断面図、第3図A,B,Cは従来
の対物レンズ支持装置の三面図、第4図A,Bは
第3図に於ける要部断面図を示す。 1……ホルダ(可動部材)、2……対物レンズ
、3……フオーカシングコイル、4……トラツキ
ングコイル、5……支持ベース、6……フオーカ
シングマグネツト(第一の磁気回路)、7′……
トラツキングマグネツト(第二の磁気回路)。

Claims (1)

  1. 【実用新案登録請求の範囲】 支持ベースと、対物レンズを有し上記支持ベー
    スに対して対物レンズの光軸方向及び光軸に直角
    な方向に変位可能に取り付けられた可動部と、上
    記支持ベース又は上記可動部に固定され、上記可
    動部の光軸方向の駆動に寄与する第一の磁気回路
    、及び光軸に直角な方向の駆動に寄与する第二の
    磁気回路とを備え、上記対物レンズにより集束さ
    れるビームの集束位置を記録体の所定位置に整合
    させる様制御する対物レンズ駆動装置において、 上記第一、第二の磁気回路を、上記対物レンズ
    の光軸上において、互いの磁場が打ち消し合う様
    に配置したことを特徴とする対物レンズ駆動装置
JP1416690U 1990-02-14 1990-02-14 Pending JPH03106522U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1416690U JPH03106522U (ja) 1990-02-14 1990-02-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1416690U JPH03106522U (ja) 1990-02-14 1990-02-14

Publications (1)

Publication Number Publication Date
JPH03106522U true JPH03106522U (ja) 1991-11-05

Family

ID=31517543

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1416690U Pending JPH03106522U (ja) 1990-02-14 1990-02-14

Country Status (1)

Country Link
JP (1) JPH03106522U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6235418B2 (ja) * 1982-02-18 1987-08-01 Kanebo Ltd

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6235418B2 (ja) * 1982-02-18 1987-08-01 Kanebo Ltd

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