LIGHT SOURCE ASSEMBLY FOR USE WITH AN ELECTROPHOTOGRAPHIC COPYING APPARATUS

摘要

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.