JPS62153623U - - Google Patents

Info

Publication number
JPS62153623U
JPS62153623U JP4159386U JP4159386U JPS62153623U JP S62153623 U JPS62153623 U JP S62153623U JP 4159386 U JP4159386 U JP 4159386U JP 4159386 U JP4159386 U JP 4159386U JP S62153623 U JPS62153623 U JP S62153623U
Authority
JP
Japan
Prior art keywords
objective lens
focus
track
coil
magnetic circuit
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
JP4159386U
Other languages
Japanese (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 JP4159386U priority Critical patent/JPS62153623U/ja
Publication of JPS62153623U publication Critical patent/JPS62153623U/ja
Pending legal-status Critical Current

Links

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  • Optical Recording Or Reproduction (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第1図はこの考案にかかる対物レンズ駆動装置
の平面図、第2図は断面図、第3図は従来の対物
レンズ駆動装置を示す平面図である。 1……対物レンズ、3……フオーカスコイル、
6……対物レンズホルダ、7……フオーカス磁気
回路、9……内ヨーク。
FIG. 1 is a plan view of an objective lens driving device according to this invention, FIG. 2 is a sectional view, and FIG. 3 is a plan view showing a conventional objective lens driving device. 1...Objective lens, 3...Focus coil,
6...Objective lens holder, 7...Focus magnetic circuit, 9...Inner yoke.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 対物レンズと、該対物レンズを支持し、前記対
物レンズをフオーカス方向へ駆動するフオーカス
コイルと、前記対物レンズをトラツク方向へ駆動
するトラツクコイルとが固着されている対物レン
ズホルダと、前記フオーカスコイルに作用し、前
記対物レンズホルダをフオーカス方向へ駆動せし
めるフオーカス用磁気回路と、前記トラツクコイ
ルに作用し、前記対物レンズホルダをトラツク方
向へ駆動せしめるトラツク用磁気回路とから成る
対物レンズ駆動装置において、前記フオーカスコ
イルが2組、前記対物レンズホルダに固着され、
該フオーカスコイルが各々、前記フオーカス用磁
気回路の内ヨークを取り囲むように構成されて成
ることを特徴とする、光学式記録再生装置の対物
レンズ駆動装置。
an objective lens holder to which are fixed an objective lens, a focus coil that supports the objective lens and drives the objective lens in a focus direction, and a track coil that drives the objective lens in a track direction; An objective lens driving device comprising: a focus magnetic circuit that acts on a coil to drive the objective lens holder in the focus direction; and a track magnetic circuit that acts on the track coil to drive the objective lens holder in the track direction. , two sets of the focus coils are fixed to the objective lens holder,
An objective lens drive device for an optical recording/reproducing device, wherein each of the focus coils is configured to surround an inner yoke of the focus magnetic circuit.
JP4159386U 1986-03-20 1986-03-20 Pending JPS62153623U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4159386U JPS62153623U (en) 1986-03-20 1986-03-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4159386U JPS62153623U (en) 1986-03-20 1986-03-20

Publications (1)

Publication Number Publication Date
JPS62153623U true JPS62153623U (en) 1987-09-29

Family

ID=30856734

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4159386U Pending JPS62153623U (en) 1986-03-20 1986-03-20

Country Status (1)

Country Link
JP (1) JPS62153623U (en)

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