US PATENT SUBCLASS 399 / 201
.~.~.~.~ Lens positioning

Current as of: June, 1999
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399 /   HD   ELECTROPHOTOGRAPHY

130  DF  IMAGE FORMATION {30}
177  DF  .~ Exposure {15}
196  DF  .~.~ Variable magnification {4}
200  DF  .~.~.~ Having scanning modification {2}
201.~.~.~.~ Lens positioning

DEFINITION

Classification: 399/201

Lens positioning:

(under subclass 200) Subject matter wherein copy magnification is varied by moving the location of an optical component that focuses light by refraction.