Projecting device

Details Projecting device Projecting device

1980-07-08

1982-09-21

Wintercorn, Richard A.

Photocopying

Including fiber optics

355 8, 355 46, 355 50, G03B 2700, G03B 2744

Patent

active

043504310

ABSTRACT:
A projecting device having an array, in a plane perpendicular to the optical axis, of plural element lens systems each axially provided with two bar lenses of an axial length larger than the effective diameter thereof, characterized by the presence of an intermediate ring positioned between two bar lenses for extracting the effective beam emerging from the first bar lens and entering the second bar lens and providing a determined light intensity distribution on the projection plane.

REFERENCES:
patent: 3560084 (1971-02-01), Limberger
patent: 3584950 (1971-06-01), Gundlach
patent: 3619030 (1971-11-01), Tomii et al.
patent: 4168900 (1979-09-01), Adachi
patent: 4173411 (1979-11-01), Massengeil et al.

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