US PATENT SUBCLASS 399 / 221
.~.~.~ Modifier (e.g., reflector, filter)

Current as of: June, 1999
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399 /   HD   ELECTROPHOTOGRAPHY

130  DF  IMAGE FORMATION {30}
177  DF  .~ Exposure {15}
220  DF  .~.~ Light source {1}
221.~.~.~ Modifier (e.g., reflector, filter)

DEFINITION

Classification: 399/221

Modifier (e.g., reflector, filter):

(under subclass 220) Subject matter wherein a means or method is provided between a light source and an original for changing the emitted light.

SEE OR SEARCH THIS CLASS, SUBCLASS:

207, for a light-aperture modifier between the original and the photoconductive member.