TWO-AXIS BEAM STEERING SYSTEM FOR USE IN AUTOMATED LIGHT FIXTURES

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 (42) and about a tilt axis (48), by drive motors that are rigidly mounted to a housing (10) and are not bodily moved with the light beam...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HOPE, CLINTON B, KOHUT, ROBERT J, HARRISON, CHARLES F, FERREN, BRAN
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING LIGHTING MECHANICAL ENGINEERING NON-PORTABLE LIGHTING DEVICES STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR SYSTEMS THEREOF VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS WEAPONS
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Beschreibung
Zusammenfassung:	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 (42) and about a tilt axis (48), by drive motors that are rigidly mounted to a housing (10) and are not bodily moved with the light beam. Movement about the pan axis (42) is effected by rotation of a first mirror (50) mounted in a first rotatable cylinder (40). Movement about the tilt axis (48) is effected by rotation of a second mirror (52) mounted in a second cylinder (46) that is panned with the first cylinder (40) and is itself mounted for rotation about the tilt axis (48).