Copying apparatus having a lamp to form or erase an image

Details Copying apparatus having a lamp to form or erase an image Copying apparatus having a lamp to form or erase an image

1990-01-17

1991-04-30

Grimley, Arthur T.

Photocopying

Contact printing

Light boxes

355228, G03G 1504

Patent

active

050122835

ABSTRACT:
A copying apparatus includes a housing in which are arranged an image carrier and an exposure unit both for emitting light to an original placed on the original stand to form an electrostatic latent image on the image carrier and for emitting light to the image carrier to erase the electrostatic latent image. The exposure unit includes a lamp having light emitting portions and non-light emitting portions which are alternately connected together. A reflector is located around the lamp and directs the light emitted from the lamp toward the original. The reflector has a plurality of openings formed to face the lamp, so that part of the light emitted from the lamp passes through the openings and is directed to the image carrier. The reflector has a plurality of connecting portions facing the non-light-emitting portions and located between adjacent ones of the openings.

REFERENCES:
patent: 3990792 (1976-11-01), Kono
patent: 4194835 (1980-03-01), Shiode
patent: 4259711 (1981-03-01), Mochizuki
patent: 4792824 (1988-12-01), Kozuka

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