Two-axis beam steering system for use in automated light fixture

Details Two-axis beam steering system for use in automated light fixture Two-axis beam steering system for use in automated light fixture

1989-05-01

1990-07-31

Husar, Stephen F.

Illumination

Light source and modifier

Adjustable or repositionable modifier

362277, 362301, F21V 705

Patent

active

049454595

ABSTRACT:
A beam steering mechanism for deflecting a light beam along any selected azimuth and elevational direction. The beam is movable without limitation about a pan axis and through a range of 180 degrees about a tilt axis, by drive motors that are rigidly mounted to a housing and are not bodily moved with the light beam. Movement about the pan axis is effected by rotation of a first mirror mounted in a first rotatable cylinder. Movement about the tilt axis is effected by rotation of a second mirror mounted in a second cylinder that is panned with the first cylinder and is itself mounted for rotation about the tilt axis.

REFERENCES:
patent: 3449035 (1969-06-01), Denaro
patent: 4663698 (1987-05-01), Tomlinson
patent: 4697227 (1987-09-01), Callahan
patent: 4729071 (1988-03-01), Solomon
patent: 4769743 (1988-09-01), Callahan
Dept. of the Navy Letter Dated 8/8/89 & Specificaton for "F/A-18 WTT 2E7 Target Projector System".

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