JPH03112720U

JPH03112720U -

Info

Publication number: JPH03112720U
Application number: JP2153290U
Authority: JP
Priority date: 1990-03-02
Filing date: 1990-03-02
Publication date: 1991-11-18

Description

[Brief explanation of drawings]

第１図〜第４図はこの考案の光偏向装置の第１
の実施例を示し、第１図は光偏向装置の構成を示
す垂直断面図、第２図はレーザ光反射用平面鏡を
前方から見た拡大図、第３図は第２図の−線
断面図、第４図は光偏向装置の一部を示す拡大側
面図、第５図は光偏向装置を備えたレーザデイス
プレイ装置の構成を示す概略図、第６図はこの考
案の光偏向装置の第２の実施例を示す第２図相当
の図、第７図は第６図の−線断面図、第８図
はこの考案の光偏向装置の第３の実施例を示す第
３図相当の図、第９図はこの考案の光偏向装置の
第４の実施例を示す第３図相当の図、第１０図は
この考案の光偏向装置の第５の実施例を示す第３
図相当の図である。１０……レーザ光反射用平面鏡、１１……ボイ
スコイルモータ、１２……振動子、１３……ロツ
ド、１４，３５……支持体、１４ａ……球状部、
１５ｂ……球面状凹所、３６，３７……芯。 Figures 1 to 4 show the first part of the optical deflection device of this invention.
Fig. 1 is a vertical cross-sectional view showing the configuration of the optical deflection device, Fig. 2 is an enlarged view of a plane mirror for laser beam reflection seen from the front, and Fig. 3 is a cross-sectional view taken along the - line in Fig. 2. , FIG. 4 is an enlarged side view showing a part of the optical deflection device, FIG. 5 is a schematic diagram showing the configuration of a laser display device equipped with the optical deflection device, and FIG. 6 is a second view of the optical deflection device of this invention. 7 is a sectional view taken along the line -- in FIG. 6, and FIG. 8 is a view equivalent to FIG. 3, showing a third embodiment of the optical deflection device of this invention. FIG. 9 is a diagram corresponding to FIG. 3 showing a fourth embodiment of the optical deflection device of this invention, and FIG. 10 is a diagram corresponding to FIG. 3 showing a fifth embodiment of the optical deflection device of this invention.
It is a figure equivalent to the figure. 10... Plane mirror for laser beam reflection, 11... Voice coil motor, 12... Vibrator, 13... Rod, 14, 35... Support body, 14a... Spherical part,
15b... Spherical recess, 36, 37... Core.

Claims

[Claims for Utility Model Registration] (1) A reflecting mirror, three or more voice coil motors for driving the reflecting mirror each having a transducer disposed at the rear of the reflecting mirror and facing forward, and a rear end of each voice coil motor. Three or more rods are fixed to the vibrator of the coil motor, and support a reflecting mirror at the front end so as to be tiltable at the apex of the polygon; A light deflection device comprising: one support member that supports a mirror in a tiltable manner at the center of the polygon. (2) a reflector, two or more voice coil motors for driving the reflector each having a transducer disposed at the rear of the reflector and each facing forward; and a rear end fixed to the transducer of each voice coil motor. and two or more rods that tiltably support the reflector at the front end, extending in the front-rear direction, fixed at the rear end, and forming a polygon with the support point of the rod at the front end. An optical deflection device comprising: one support body that is tiltably supported at any position. (3) The support body is made of a rigid body, and has a spherical part formed at its tip, and this spherical part is rotatably fitted into a spherical recess provided on the rear surface of the reflecting mirror. optical deflection device. (4) The optical deflection device according to claim 1 or 2, wherein the support is made of an elastic material and is formed into a columnar or cylindrical shape, and a front end of the support is fixed to a reflecting mirror. (5) The optical deflection device according to claim 4, wherein a core made of a rigid body is provided on the axis within the support.