Illumination apparatus

Details Illumination apparatus Illumination apparatus

1978-08-02

1980-09-30

Hayes, Monroe H.

Illumination

Light source and modifier

Including reflector

362303, 362346, 362349, 355 67, F21V 700

Patent

active

042259231

ABSTRACT:
Illumination apparatus provides for uniform illumination of a planar original by use of a single flash lamp. A pair of parabolic reflectors partially surround the lamp and direct two separate collimated bundles of light toward opposite sides of the original. A planar reflector positioned in the path of each collimated bundle of light intercepts and reflects the collimated light rays upon the original to uniformly illuminate the original from opposite sides.

REFERENCES:
patent: 1631610 (1927-06-01), Wood
patent: 3302519 (1967-02-01), Young
patent: 3428397 (1969-02-01), Elmer
patent: 3586849 (1971-06-01), Starkweather et al.
patent: 3588492 (1971-06-01), Pollock
patent: 3777135 (1973-12-01), Rees
patent: 3804513 (1974-04-01), Ogawa
patent: 3920311 (1975-11-01), Tsuda et al.
patent: 3982116 (1976-09-01), Sakuma
patent: 4092066 (1978-05-01), Kawai
patent: 4118761 (1978-10-01), Day

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