JPS6070926U - optical disc playback device - Google Patents

optical disc playback device

Info

Publication number
JPS6070926U
JPS6070926U JP16212183U JP16212183U JPS6070926U JP S6070926 U JPS6070926 U JP S6070926U JP 16212183 U JP16212183 U JP 16212183U JP 16212183 U JP16212183 U JP 16212183U JP S6070926 U JPS6070926 U JP S6070926U
Authority
JP
Japan
Prior art keywords
optical disc
focus control
disk
playback device
focus
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
JP16212183U
Other languages
Japanese (ja)
Inventor
徹 山本
石本　正信
Original Assignee
三洋電機株式会社
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 三洋電機株式会社 filed Critical 三洋電機株式会社
Priority to JP16212183U priority Critical patent/JPS6070926U/en
Publication of JPS6070926U publication Critical patent/JPS6070926U/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]

図面は何れも光学式ディスク再生装置を示すものであり
、第１図は従来例を示す図、第２図は本考案の実施例を
示す図である。 １はディスク回転駆動手段、えはピックアップ手段、８
はフォーカスサーボ回路、９はフォーカス用コイル、１
０はフォーカス用磁石。The drawings all show an optical disc reproducing device, with FIG. 1 showing a conventional example and FIG. 2 showing an embodiment of the present invention. 1 is a disk rotation drive means, e is a pickup means, 8
is a focus servo circuit, 9 is a focus coil, 1
0 is a focus magnet.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）ディスクを回転駆動する為のディスク回転駆動手
段と、ディスクより情報を読出す為のピックアップ手段
と、このピックアップ手段より導出されるフォーカス制
御信号に基いて前記ディスク回転駆動手段をピックアッ
プ手段の光軸方向に変位させることによりフォーカス制
御を行うフォーカス制御手段とを有することを特徴とす
る光学式ディスク再生装置。(1) A disk rotation drive means for rotationally driving the disk, a pickup means for reading information from the disk, and a focus control signal derived from the pickup means to drive the disk rotation drive means to the pickup means. What is claimed is: 1. An optical disc reproducing apparatus comprising: a focus control means that performs focus control by displacing the optical disc in the optical axis direction. （２）フォーカス制御手段がディスク回転駆動手段の回
転軸に設けられたフォーカス用磁石と、こ、　の磁石に
対向配置され前記フォーカス制御信号が印加されるフォ
ーカス用コイルとよりなる実用新案登録請求の範囲第１
項記載の光学式ディスク再生装置。(2) A utility model registration claim in which the focus control means comprises a focus magnet provided on the rotation shaft of the disk rotation drive means, and a focus coil arranged opposite to the magnet and to which the focus control signal is applied. Range 1
The optical disc playback device described in .
JP16212183U 1983-10-19 1983-10-19 optical disc playback device Pending JPS6070926U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16212183U JPS6070926U (en) 1983-10-19 1983-10-19 optical disc playback device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16212183U JPS6070926U (en) 1983-10-19 1983-10-19 optical disc playback device

Publications (1)

Publication Number Publication Date
JPS6070926U true JPS6070926U (en) 1985-05-20

Family

ID=30356099

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16212183U Pending JPS6070926U (en) 1983-10-19 1983-10-19 optical disc playback device

Country Status (1)

Country Link
JP (1) JPS6070926U (en)

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