Light projector for movable optical effects

Details Light projector for movable optical effects Light projector for movable optical effects

1986-03-03

1987-09-15

Nelli, Raymond A.

Illumination

Light source and modifier

Including reflector

362282, 362291, 362812, F21V 700

Patent

active

046943811

ABSTRACT:
The light projector has the peculiar feature of comprising, within a disk-shaped enclosing body, a light source surrounded by a shaping diaphragm which is rotatable coaxially with the cited light source. Also provided, on said enclosing body, is a toroidal lens which extends preferably through 360.degree. and focuses on said shaping diaphragm, being disposed concentrically with the cited light source.

REFERENCES:
patent: 2556472 (1951-06-01), Gray
patent: 3271735 (1966-09-01), Gosswillar
patent: 4387362 (1983-06-01), Gosswillar
patent: 4458303 (1984-07-01), Barns
patent: 4499527 (1985-02-01), Tauber et al.
patent: 4575786 (1986-03-01), Roberts

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