Light-beam projecting device

Details Light-beam projecting device Light-beam projecting device

1998-03-19

1999-11-23

Dowling, William C.

Optics: image projectors

Additional illumination of or near projected image

353 50, 353 94, G03B 2114

Patent

active

059888164

ABSTRACT:
The projector includes a first light source for generating a light beam; a succession of functional assemblies for imparting special light effects to the light beam; an output mirror for deflecting the light beam in a controlled manner; a laser source for generating a laser beam; a controlled-deflection optical unit for controlled deflection of the laser beam; and a mirror for superimposing the laser beam on the light beam. The projector emits a light beam of predetermined color and shape, which may be directed in a controlled manner, and in which is visible a beam of greater intensity and predetermined color, by which to form writing or images on illuminated targets.

REFERENCES:
patent: 4006970 (1977-02-01), Slater et al.
patent: 4125843 (1978-11-01), Whitby
patent: 4196461 (1980-04-01), Geary
patent: 4814800 (1989-03-01), Lavinsky et al.
patent: 5311335 (1994-05-01), Crabtree
patent: 5526063 (1996-06-01), Joubert et al.
patent: 5526076 (1996-06-01), Walker
patent: 5572375 (1996-11-01), Crabtree, IV

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