JPH0352822U - - Google Patents

Info

Publication number
JPH0352822U
JPH0352822U JP1989113897U JP11389789U JPH0352822U JP H0352822 U JPH0352822 U JP H0352822U JP 1989113897 U JP1989113897 U JP 1989113897U JP 11389789 U JP11389789 U JP 11389789U JP H0352822 U JPH0352822 U JP H0352822U
Authority
JP
Japan
Prior art keywords
frame
end surface
objective lens
magnetic circuit
drive
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
JP1989113897U
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 JP1989113897U priority Critical patent/JPH0352822U/ja
Priority to KR1019890019031A priority patent/KR0153766B1/ko
Priority to US07/453,933 priority patent/US5136565A/en
Publication of JPH0352822U publication Critical patent/JPH0352822U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例を示す対物レンズ駆
動装置の平面図、第２図はその側面からの部分断
面図、第３図は第１図のフオーカシングコイル及
びトラツキングコイルから成るコイル体を示す斜
視図である。 主な図番の説明、１……レンズホルダー、２…
…対物レンズ、５……磁気回路、６……フレーム
、８……カバー（剛体）、１１，１２……永久磁
石、１３……ヨーク。

Claims (1)

    【実用新案登録請求の範囲】
  1. 駆動コイルが装着され、フレームに変位自在に
    支持されたレンズホルダーに保持される対物レン
    ズを前記駆動コイルに流される制御信号に応じて
    駆動させるべく磁界を形成する磁気回路が前記フ
    レームに固定されている対物レンズ駆動装置にお
    いて、前記磁気回路の開放端面と前記フレームの
    端面とを剛体により連結し、該剛体をそれぞれ前
    記磁気回路の開放端面及び前記フレームの端面に
    固着して剛性を高めたことを特徴とする対物レン
    ズ駆動装置。
JP1989113897U 1988-12-20 1989-09-28 Pending JPH0352822U (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1989113897U JPH0352822U (ja) 1989-09-28 1989-09-28
KR1019890019031A KR0153766B1 (ko) 1988-12-20 1989-12-20 광픽업장치
US07/453,933 US5136565A (en) 1988-12-20 1989-12-20 Optical device for reading and writing data on a recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989113897U JPH0352822U (ja) 1989-09-28 1989-09-28

Publications (1)

Publication Number Publication Date
JPH0352822U true JPH0352822U (ja) 1991-05-22

Family

ID=31662292

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989113897U Pending JPH0352822U (ja) 1988-12-20 1989-09-28

Country Status (1)

Country Link
JP (1) JPH0352822U (ja)

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