JPS5817628U

JPS5817628U - Objective lens drive control device in optical disk player

Info

Publication number: JPS5817628U
Application number: JP11171481U
Authority: JP
Inventors: 英夫福島
Original assignee: ソニー株式会社
Priority date: 1981-07-28
Filing date: 1981-07-28
Publication date: 1983-02-03

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 the drawing]

第１図は従来例の概要を示す平面図、第２図は・第１図
のＡ−Ａ’断面図である。第３図乃至第６図は本考案の
一実施例を示し、第３図は要部概略平面図、第４図は正
面図、第５図は側面図、第６　　　　′図は分解斜視図
である。１０・・・ヨーク、１１・・・マグネット、１２Ａ。１２Ｂ・・・コイル、１３・・・空隙、１４・・・対物
レンズホルダー、１５・・・可動鉄片。第３図第５図　。FIG. 1 is a plan view showing an outline of a conventional example, and FIG. 2 is a sectional view taken along line AA' in FIG. Figures 3 to 6 show an embodiment of the present invention, with Figure 3 being a schematic plan view of the main parts, Figure 4 being a front view, Figure 5 being a side view, and Figure 6' being an exploded perspective view. be. 10...Yoke, 11...Magnet, 12A. 12B...Coil, 13...Gap, 14...Objective lens holder, 15...Movable iron piece. Figure 3 Figure 5.

Claims

[Scope of utility model registration request]

In an optical disk player equipped with an objective lens drive control device configured to drive and control the objective lens disposed on the optical axis of the optical system in a two-dimensional direction of a focusing direction and a tracking direction perpendicular to the focusing direction, A coil is wound in two orthogonal directions to form a magnetic circuit that generates magnetic flux, a magnetic material is disposed integrally with the lens holder, and the lens holder is supported movably in two directions, up, down, left and right, and each of the above An objective lens drive control device for an optical disc player, characterized in that the lens holder can be operated in two directions, up, down, right and left, by changing the current flowing through the coil.