US PATENT SUBCLASS 399 / 199
.~.~.~ Additional lens


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}
199.~.~.~ Additional lens


DEFINITION

Classification: 399/199

Additional lens:

(under subclass 196) Subject matter wherein copy magnification is varied through an alternative optical component that focuses light by refraction.

(1) Note. An additional lens may also include a lens that is a substitute lens.

SEE OR SEARCH THIS CLASS, SUBCLASS:

118, for optics with particular modular or displaceable structure.

137, for optical intermediate storage of original image.

196+, for variable magnification during exposure.

200+, for automatic adjustment of an optical component due to a change in magnification.

209, for a repositioning of a scanning carriage due to a change in scanning length. 216, for slit exposure by pivoting mirror.

218, for specific lens during exposure.

219, for fiber optics used during exposure.

SEE OR SEARCH CLASS

206, Special Receptacle or Package,

316.1, for special receptacles for an optical or photos:graphic means.

359, Optics: Systems (Including Communication) and Elements,

12, for copying by holos:graphic means.