US PATENT SUBCLASS 399 / 220
.~.~ Light source


Current as of: June, 1999
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399 /   HD   ELECTROPHOTOGRAPHY

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


DEFINITION

Classification: 399/220

Light source:

(under subclass 177) Subject matter wherein a means or method is provided for emitting light to illuminate an original.

(1) Note. Types of light sources may be halogen, fluorescent, etc.

(2) Note. This subject matter may also include on-and-off timing or temperature regulation of the lamp.

SEE OR SEARCH THIS CLASS, SUBCLASS:

95, for controlling the on-and-off condition of the light source to prevent overheating the platen.

SEE OR SEARCH CLASS

355, Photocopying,

67+, for photocopying illumination not particular to electrophotography. 362, Illumination, for illumination, per se.

OTHER CLASSIFICATION SYSTEMS:

ipc{2}G03G15/04, for exposing (i.e., imagewise exposure by optically projecting the original image on a photoconductive recording material).

epcG03G15/04L, for details of illuminating systems (e.g., lamps, reflectors).