Apparatus for mechanically adjusting lighting fixture azimuth an

Illumination – Photographic lighting – Including specific light modifier

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362272, 362284, 362428, G03B 1502

Patent

active

047697431

ABSTRACT:
An improved apparatus for adjusting the azimuth and elevation of a light projector suitable for entertainment lighting, comprising a light source with associated light collecting and beam forming means producing an elongated beam having an optical centerline is disclosed. A means, typically a mirror, is used to redirect the beam at substantially right angles to the optical centerline, and is rotated to vary beam azimuth through a first plane. Both the light source and the means for redirecting are coupled to a common mechanical support, which is rotated around an effective pivot point perpendicular to the optical centerline and parallel to first plane, to vary beam elevation through a second plane at substantially right angles to the first plane. The unique advantages of the apparatus for remotely-adjusting fixtures and for systems mounting a plurality of lighting fixtures to a common mechanical support are disclosed.

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Kneisley Electric Company Kni-Tron Super-Spot Data Sheet; 2/70; Cameleon Sarl Telescan Brochure and Data Sheet.
"Lighting Trusses on Tour", James L. Moody, Theater Crafts, vol. 16, No. 2, Feb. 1982, pp. 28-63.
Cameleon's Telescan; Telescan Mark II, Manufactured by Cameleon SARL, France.

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