Variable spot stage light

Details Variable spot stage light Variable spot stage light

1980-09-20

1982-07-06

Walsh, Donald P.

Illumination

Light source and modifier

Plural serial lens elements or components

362281, 362285, 362804, F21V 2900

Patent

active

043386547

ABSTRACT:
A stage light comprising a reflector, an incandescent source, a variable iris and an objective lens system, the position of the lamp and the iris opening being variable individually or in ganged fashion.

REFERENCES:
patent: 2236845 (1941-04-01), Curry
patent: 4232359 (1980-11-01), Leon

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