Compact theatrical light and method

Details Compact theatrical light and method Compact theatrical light and method

1995-10-23

1998-10-06

Cariaso, Alan

Illumination

Light source and modifier

Adjustable or repositionable modifier

362268, 362299, 362301, 362319, 362293, F21V 1306

Patent

active

058166904

ABSTRACT:
A compact and efficient theatrical light that includes four mirrors, a gobo apparatus a colorchanger/dowser/diffusion system, and a lens system. The light beam is reflected four times, each time by 90 degrees. The second reflection is perpendicular to the plane formed by the initial path of the beam and the path after the first reflection. The gobo, the lens system and the colorchanger/dowser/diffusion system are located between the second and the third mirrors. This achieves a very compact, but fully capable light which may be attached to and protected by a truss system when in use and when in transport.
Also discussed is a simple color changer/dowser/diffusion system with color glass panels mounted to tracks and moveable into and out of the optical path by cables connected to each panel.

REFERENCES:
patent: 3920315 (1975-11-01), Linke
patent: 4890208 (1989-12-01), Izenour
patent: 4914556 (1990-04-01), Richardson
patent: 5143444 (1992-09-01), Shields
patent: 5207505 (1993-05-01), Naraki et al.
patent: 5463497 (1995-10-01), Muraki et al.
patent: 5590955 (1997-01-01), Bornhorst et al.

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