Light source assembly for use with an electrophotographic copyin

Details Light source assembly for use with an electrophotographic copyin Light source assembly for use with an electrophotographic copyin

1987-10-15

1989-03-07

Hix, L. T.

Photocopying

Projection printing and copying cameras

Illumination systems or details

G03B 2772

Patent

active

048110574

ABSTRACT:
A lamp unit for use in an electrophotographic copying apparatus. The lamp unit containing a lamp moves under an original on the original support. The lamp unit is formed with a slit through which the light from the lamp is shed on to the original and is reflected by it on to a photosensitive object to form an image thereon. The slit is the narrowest at its center and gradually widens toward its both ends. Also, the lamp unit is accelerated until it reaches the center of the original support and is decelerated thereafter. This assures a uniform distribution of light over the surface of a photosensitive object.

REFERENCES:
patent: 4171905 (1979-10-01), Boschet
patent: 4232964 (1980-11-01), Nodov et al.

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