Condenser device for lighting an original

Details Condenser device for lighting an original Condenser device for lighting an original

1975-02-06

1976-08-31

Hix, L. T.

Photocopying

Projection printing and copying cameras

Illumination systems or details

240 41R, 240 4135R, G03B 2716

Patent

active

039777847

ABSTRACT:
A condenser device for lighting an original as used in a facsimile or copying machine incorporates an elliptical or similar reflecting mirror. A light shield associated with a light source is provided with a pair of reflecting surfaces, one of which directs light incident thereon from the light source onto the elliptical reflecting mirror and thence to the other surface for reflection to a slitwise area to be scanned where it is combined with light following a direct path including the light source and the mirror.

REFERENCES:
patent: 1336967 (1920-04-01), Laird
patent: 1981328 (1934-11-01), Rurer
patent: 3532424 (1970-10-01), Miles
patent: 3728015 (1973-04-01), Oprairl

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