JPS60140232U

JPS60140232U - Drive mechanism of optical information processing device

Info

Publication number: JPS60140232U
Application number: JP2560784U
Authority: JP
Inventors: 鈴木　明秀
Original assignee: 株式会社東芝
Priority date: 1984-02-24
Filing date: 1984-02-24
Publication date: 1985-09-17

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

[Brief explanation of drawings]

第１図、第２図ａ、　ｂはそれぞれ従来の光学式情報処
理装置の駆動機構を示す断面図、側面間及び平面図、第
３図及び第４図はそれぞれ第１図のフォーカス及びトラ
ッキング駆動感度特性を示す特性図、第５図はこの考案
の適用された光学式情報処理装置の外観を示す斜視図、
第６図は第５図の構成を示す構成説明図、第７図はこの
考案の一実施例、係る光学式情報処理装置０駆動機構を
示す断面図、第８図ａ、ｂはそれぞれ第７図の要部を示
す側面図及び平面図、第９図及び第１０図はそれぞれ第
７図のフォーカス及びトラッキング駆動感度特性を示す
特性図である。２０・・・ハウジング、２１・・・カバー、２３・・・
接続コネクタ、２４・・・対物レンズ、２５・・・半導
体レザーダイオード、２６・・・回折格子、２７・・・
偏光ビームスプリッタ、２８・・・コリメニタレンズ、
２９・・・プリズムミラー、３．０・・・１／４波長板
、３１・・・ディスク、３２・・・円柱し、ンズ、３３
・・・凹レンズ、３４・・・光検知器、３５・・・固定
部、３６・・・可動部、３７・・・バランス部材、３８
・・・第１の可動コイル、３−９・・・第２の可動コイ
ル、４０・・・磁気回路部、４１・・・磁石、４−２・
・・継鉄ミ４３・・・弾性体、４４，４５．４６，４７
・・・接続端、４８・・・リード線、４９・・・リード
線挿通孔、５０．５１．５２．５３・・・供給接続端。Figures 1, 2a and 2b are cross-sectional views, side-to-side and plan views showing the drive mechanism of a conventional optical information processing device, respectively, and Figures 3 and 4 are focus and tracking drives in Figure 1, respectively. A characteristic diagram showing sensitivity characteristics; FIG. 5 is a perspective view showing the appearance of an optical information processing device to which this invention is applied;
FIG. 6 is a configuration explanatory diagram showing the configuration of FIG. 9 and 10 are characteristic diagrams showing the focus and tracking drive sensitivity characteristics of FIG. 7, respectively. 20...Housing, 21...Cover, 23...
Connection connector, 24... Objective lens, 25... Semiconductor laser diode, 26... Diffraction grating, 27...
Polarizing beam splitter, 28... collimator lens,
29... Prism mirror, 3.0... 1/4 wavelength plate, 31... Disc, 32... Cylindrical lens, 33
...Concave lens, 34...Photodetector, 35...Fixed part, 36...Movable part, 37...Balance member, 38
...First moving coil, 3-9... Second moving coil, 40... Magnetic circuit section, 41... Magnet, 4-2.
... Yoke Mi 43 ... Elastic body, 44, 45. 46, 47
... Connection end, 48 ... Lead wire, 49 ... Lead wire insertion hole, 50.51.52.53 ... Supply connection end.

Claims

[Scope of utility model registration request]

An optical information system in which a movable part having an objective lens and a movable coil that selectively generates draft lines is movably provided via a shaft to a fixed part having a magnetic circuit part for generating magnetic flux. 1. A drive mechanism for an optical information processing device, characterized in that the shaft is provided with an insertion hole for a lead wire for guiding current to the movable coil.