JPS5945735U - Focus drive mechanism of optical pickup - Google Patents

Focus drive mechanism of optical pickup

Info

Publication number
JPS5945735U
JPS5945735U JP14143182U JP14143182U JPS5945735U JP S5945735 U JPS5945735 U JP S5945735U JP 14143182 U JP14143182 U JP 14143182U JP 14143182 U JP14143182 U JP 14143182U JP S5945735 U JPS5945735 U JP S5945735U
Authority
JP
Japan
Prior art keywords
drive mechanism
optical pickup
focus drive
support
ring
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.)
Granted
Application number
JP14143182U
Other languages
Japanese (ja)
Other versions
JPS6334105Y2 (en
Inventor
隆 中原
清 伊藤
Original Assignee
オンキヨー株式会社
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 オンキヨー株式会社 filed Critical オンキヨー株式会社
Priority to JP14143182U priority Critical patent/JPS5945735U/en
Publication of JPS5945735U publication Critical patent/JPS5945735U/en
Application granted granted Critical
Publication of JPS6334105Y2 publication Critical patent/JPS6334105Y2/ja
Granted 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 the drawing]

第１図は光学式ピックアップの基本的な構成図、第２図
は従来のフォーカス駆動機構の構成を示す断面図、第３
図はフォーカス駆動機構の特性（フォーカスエラー電流
に附子る変位量）を示す図、第４図は本考案のフォーカ
ス駆動機構の構成を示す断面図である。 ５は対物レンズ、１５は支持体、１６は駆動コ　　　　
。 イル、１９はリング状マグネット、１８は支持枠である
。Figure 1 is a basic configuration diagram of an optical pickup, Figure 2 is a sectional view showing the configuration of a conventional focus drive mechanism, and Figure 3 is a sectional view showing the configuration of a conventional focus drive mechanism.
This figure is a diagram showing the characteristics of the focus drive mechanism (the amount of displacement attached to the focus error current), and FIG. 4 is a sectional view showing the configuration of the focus drive mechanism of the present invention. 5 is an objective lens, 15 is a support, and 16 is a drive control.
. 19 is a ring-shaped magnet, and 18 is a support frame.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 対物レンズ５を支持した支持体１５の下端部を延長し、
当該延長部に駆動コイル１６を巻装し、当該駆動コイル
１６に対向してリング状マグネット１９を配置し、かつ
当該リング状マグネット１９を上記支持体１５の軸と直
角な方向にそれぞれ着磁し、当該支持体１５を支持枠１
８に上下動可能に支持した光学式ピックアップのフォー
カス駆動機構。Extending the lower end of the support 15 that supported the objective lens 5,
A drive coil 16 is wound around the extension, a ring-shaped magnet 19 is arranged opposite to the drive coil 16, and the ring-shaped magnets 19 are each magnetized in a direction perpendicular to the axis of the support 15. , the support body 15 is attached to the support frame 1
A focus drive mechanism for an optical pickup supported vertically at 8.
JP14143182U 1982-09-16 1982-09-16 Focus drive mechanism of optical pickup Granted JPS5945735U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14143182U JPS5945735U (en) 1982-09-16 1982-09-16 Focus drive mechanism of optical pickup

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14143182U JPS5945735U (en) 1982-09-16 1982-09-16 Focus drive mechanism of optical pickup

Publications (2)

Publication Number Publication Date
JPS5945735U true JPS5945735U (en) 1984-03-27
JPS6334105Y2 JPS6334105Y2 (en) 1988-09-09

Family

ID=30316323

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14143182U Granted JPS5945735U (en) 1982-09-16 1982-09-16 Focus drive mechanism of optical pickup

Country Status (1)

Country Link
JP (1) JPS5945735U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56169231A (en) * 1980-05-30 1981-12-25 Sankyo Seiki Mfg Co Ltd Three-dimensional parallel driver for bobbin

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56169231A (en) * 1980-05-30 1981-12-25 Sankyo Seiki Mfg Co Ltd Three-dimensional parallel driver for bobbin

Also Published As

Publication number Publication date
JPS6334105Y2 (en) 1988-09-09

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