Optical pattern producing system

Details Optical pattern producing system Optical pattern producing system

1998-06-08

2000-11-07

O'Shea, Sandra

Illumination

Light source and modifier

Adjustable or repositionable modifier

362322, 362285, 353 48, 353 46, 353 50, F21V 700

Patent

active

061426539

ABSTRACT:
There is disclosed a system that produces patterns or images from a light beam by a series of reflections off of multiple mirrors, these mirrors rotated by motors. The mirrors are positioned with respect to each other and offset at a predetermined angle from a plane perpendicular with respect to the transverse vertical plane extending axially through the respective motors. This positioning creates a path of travel for the light beam that crosses over on itself at least once, allowing for the maximum number of patterns to be produced from a maximum number of mirrors, that are all preferably substantially uniform in their diameter (largest transverse dimension).

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patent: 3892478 (1975-07-01), Lampkin
patent: 4171902 (1979-10-01), Imai et al.
patent: 4247181 (1981-01-01), Inness-Brown
patent: 4327975 (1982-05-01), Harris
patent: 4814800 (1989-03-01), Lavinsky et al.
patent: 4827387 (1989-05-01), Ferren et al.
patent: 5050056 (1991-09-01), Ellison

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