JPS59177030U

JPS59177030U - Optical information reading device pick-up angle adjustment device

Info

Publication number: JPS59177030U
Application number: JP7228883U
Authority: JP
Inventors: 康史鈴木
Original assignee: 旭光学工業株式会社
Priority date: 1983-05-14
Filing date: 1983-05-14
Publication date: 1984-11-27

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図ないし第５図は本考案のピックアップ角度調節装
置の第一の実施例を示すもので、第１図は平面図、第２
図は第１図の■−■線に沿う断面図、第３図は第２図の
■矢視図、第４図は第２図のｒＶ−ＩＶ線に沿う断面図
、第５図は要部の斜視因をそれぞれ示す。第６図および
第７図は本考案の第二の実施例を示すもので、第６図は
平面図、第７図は第６図の■−■線に沿う断面図である
。１１・・・回転軸、１２・・・移動機構、１３・・・ピ
ックアップ、１７・・・アームベース、２３・・・光学
的記録ディスク、２４・・・対物レンズ、３０・・・調
節機構、３１・・・板ばね、３２・・・固定部、３３・
・・固定板、３４・・・固定ねじ、３５・・・ピックア
ップ固定部、３８．３９・・・調節ねじ、４０・・・固
定板。1 to 5 show a first embodiment of the pickup angle adjusting device of the present invention, FIG. 1 is a plan view, and FIG.
The figure is a sectional view taken along the line ■-■ in Fig. 1, Fig. 3 is a view taken in the direction of the ■ arrow in Fig. 2, Fig. 4 is a sectional view taken along the rV-IV line in Fig. 2, and Fig. 5 is a sectional view taken along the line rV-IV in Fig. 2. The causes of strabismus are shown below. 6 and 7 show a second embodiment of the present invention, in which FIG. 6 is a plan view and FIG. 7 is a cross-sectional view taken along the line ■-■ in FIG. 6. DESCRIPTION OF SYMBOLS 11... Rotation axis, 12... Movement mechanism, 13... Pickup, 17... Arm base, 23... Optical recording disk, 24... Objective lens, 30... Adjustment mechanism, 31... Leaf spring, 32... Fixed part, 33...
...Fixing plate, 34...Fixing screw, 35...Pickup fixing part, 38.39...Adjusting screw, 40...Fixing plate.

Claims

[Scope of utility model registration request]

(1) A pickup mounting and supporting an optical system including an objective lens for forming an image of an information readout laser beam on an optical recording disk, and a radial movement mechanism for moving the pickup approximately in the radial direction of the recording disk. A pickup angle adjustment mechanism interposed between the pickup and the radial movement mechanism, comprising: an elastic member connecting the pickup to the radial movement mechanism so that the pickup can be displaced with respect to the radial movement mechanism; and an elastic member of the elastic member. An optical information reading device comprising: an adjusting screw for adjusting the angle of the optical axis of the objective lens mounted on the pickup; and a fixing means for fixing the radial movement mechanism and the pickup after adjusting the angle. pickup angle adjustment device.

(2) Scope of Utility Model Registration Claim 1, wherein the elastic member is made of a leaf spring, and the leaf spring includes a fixed end portion and a pickup fixed portion formed in a position perpendicular to the fixed end portion, A pickup angle adjusting device for an optical information reading device, wherein the one end fixing portion is fixed to the radial direction moving mechanism side, and the pickup fixing portion is fixed to the pickup.

(3) Utility model registration In claim 1 or 2, the radial moving mechanism is a rotating mechanism that rotates the pickup to move the objective lens in an arc shape approximately in the radial direction of the recording disk. A pickup angle adjustment device for an optical information reading device.

(4) Utility Model Registration In claim 1 or 2, the radial movement mechanism is a linear movement mechanism that moves the pickup in a straight line to move the objective lens linearly in a substantially radial direction of the recording disk. A pickup angle adjustment device for an optical information reading device.