Selectable mechanical and electronic pattern generating aperture

Details Selectable mechanical and electronic pattern generating aperture Selectable mechanical and electronic pattern generating aperture

1989-05-24

1992-05-12

Lazarus, Ira S.

Illumination

Light source and modifier

Adjustable or repositionable modifier

362324, 362284, F21V 1100

Patent

active

051133326

ABSTRACT:
A lighting system aperture mechanism formed by a movable carriage including a frame with openings for mechanically formed or electronic pattern apertures. The frame is moved to position a selected opening around a beam of light and the pattern aperture disposed within the selected opening may be rotated as desired to produce special effect patterns in the beam of light.

REFERENCES:
patent: 3757106 (1973-09-01), Bau et al.
patent: 4294524 (1981-10-01), Stolov
patent: 4627696 (1986-12-01), Sacher
patent: 4812034 (1989-03-01), Mochizuki et al.
patent: 4832461 (1989-03-01), Yamagishi et al.
patent: 4891738 (1990-01-01), Richardson et al.
patent: 4899267 (1990-02-01), Mardon

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