JPS5810225U - Objective lens drive device in optical disc player - Google Patents

Objective lens drive device in optical disc player

Info

Publication number
JPS5810225U
JPS5810225U JP10179981U JP10179981U JPS5810225U JP S5810225 U JPS5810225 U JP S5810225U JP 10179981 U JP10179981 U JP 10179981U JP 10179981 U JP10179981 U JP 10179981U JP S5810225 U JPS5810225 U JP S5810225U
Authority
JP
Japan
Prior art keywords
objective lens
drive
optical disc
disc player
drive device
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
JP10179981U
Other languages
Japanese (ja)
Inventor
英夫 福島
稔 石田
Original Assignee
ソニー株式会社
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 by ソニー株式会社 filed Critical ソニー株式会社
Priority to JP10179981U priority Critical patent/JPS5810225U/en
Publication of JPS5810225U publication Critical patent/JPS5810225U/en
Pending legal-status Critical Current

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  • Optical Recording Or Reproduction (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は従来の対物レンズ駆動制御装置の平面図、第２
図はその第１図に示した対物レンズ駆動装置の縦断面図
、第３図は上記駆動装置に使用されているフォーカシン
グ駆動用バネを示す平面図である。第４図は本考案が適
用されたトラッキング駆動用バネを用いた対物レンズ支
持部を示す斜視図、第５図は上記トラッキング駆動用バ
ネの一部拡大断面図である。第６図はトラッキング駆動
用バネの端部拡大図、第７図はダンピング原理を説明す
るための模式図である。 １・・・・・・対物レンズ、１８．１８・・・・・・ト
ラッキング駆動用バネ、１９Ａ、１９Ｂ・・・・・・板
バネ、２０・・・・・・ダンパー材。Figure 1 is a plan view of a conventional objective lens drive control device;
This figure is a longitudinal sectional view of the objective lens drive device shown in FIG. 1, and FIG. 3 is a plan view showing a focusing drive spring used in the drive device. FIG. 4 is a perspective view showing an objective lens support part using a tracking drive spring to which the present invention is applied, and FIG. 5 is a partially enlarged sectional view of the tracking drive spring. FIG. 6 is an enlarged view of the end of the tracking drive spring, and FIG. 7 is a schematic diagram for explaining the damping principle. 1... Objective lens, 18.18... Tracking drive spring, 19A, 19B... Leaf spring, 20... Damper material.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 光学系の光軸上に配置された対物レンズをフォーカシン
グ方向とこれに直交するトラッキング方向との２次元方
向に駆動制御するようにした対物レンズ駆動装置を備え
た光学式ディスクプレーヤにおいて、上記対物レンズを
上記フォーカシング方向に駆動し得るように弾性的に支
持するためのフォーカス駆動用バネと上記対物レンズを
上記トラッキング方向に駆動し得るように弾性的に支持
するためのトラッキング駆動用バネのうち、少なくとも
一方のバネを二枚の板バネ間にダンパー材を挾み込むよ
うにラミネートしたことを特徴とする光学式ディスクプ
レーヤにおける対物レンズ駆動装置。In an optical disc player equipped with an objective lens drive device configured to drive and control an objective lens disposed on the optical axis of the optical system in two-dimensional directions of a focusing direction and a tracking direction perpendicular thereto, the objective lens at least one of a focus drive spring for elastically supporting the objective lens so as to be able to drive the objective lens in the focusing direction and a tracking drive spring for elastically supporting the objective lens so as to be able to drive the objective lens in the tracking direction. An objective lens drive device for an optical disc player, characterized in that one spring is laminated so that a damper material is sandwiched between two leaf springs.
JP10179981U 1981-07-10 1981-07-10 Objective lens drive device in optical disc player Pending JPS5810225U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10179981U JPS5810225U (en) 1981-07-10 1981-07-10 Objective lens drive device in optical disc player

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10179981U JPS5810225U (en) 1981-07-10 1981-07-10 Objective lens drive device in optical disc player

Publications (1)

Publication Number Publication Date
JPS5810225U true JPS5810225U (en) 1983-01-22

Family

ID=29896452

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10179981U Pending JPS5810225U (en) 1981-07-10 1981-07-10 Objective lens drive device in optical disc player

Country Status (1)

Country Link
JP (1) JPS5810225U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5933128U (en) * 1982-08-26 1984-03-01 パイオニア株式会社 Pickup device for optical information reading device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54155802A (en) * 1978-05-30 1979-12-08 Olympus Optical Co Ltd Objective lens driving device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54155802A (en) * 1978-05-30 1979-12-08 Olympus Optical Co Ltd Objective lens driving device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5933128U (en) * 1982-08-26 1984-03-01 パイオニア株式会社 Pickup device for optical information reading device

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