Light fixture including a partially collimated beam of light and

Details Light fixture including a partially collimated beam of light and Light fixture including a partially collimated beam of light and

1991-02-04

1991-10-08

Henry, Jon W.

Optical: systems and elements

Single channel simultaneously to or from plural channels

362348, 362307, 362 26, 359850, 359638, F21V 700, G02B 2714

Patent

active

050548859

ABSTRACT:
A light fixture has a source of partially collimated light for emitting light having an axis of collimation. A structured surface has a plurality of prisms that are rendered reflective for reflecting light from the light source out of the cavity. The peaks of the prisms define a surface at least a portion of which makes an acute angle with the axis of collimation.

REFERENCES:
patent: 3877802 (1975-04-01), Greenspan
patent: 4011001 (1977-03-01), Moriya
patent: 4127771 (1978-01-01), Sick
patent: 4252416 (1981-02-01), Jaccard
patent: 4420261 (1983-12-01), Barlow et al.
patent: 4629288 (1986-12-01), Wagers
patent: 4799137 (1989-01-01), Aho
patent: 4874228 (1989-10-01), Aho et al.
patent: 4914553 (1990-04-01), Hamada et al.

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