US PATENT SUBCLASS 399 / 135
.~ Ion modulation (e.g., screen)


Current as of: June, 1999
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399 /   HD   ELECTROPHOTOGRAPHY

130  DF  IMAGE FORMATION {30}
135.~ Ion modulation (e.g., screen)


DEFINITION

Classification: 399/135

Ion modulation (e.g., screen):

(under subclass 130) Subject matter wherein the photoconductive member is in the form of a screen or grid or apertures and, after formation of a latent image as per the class definition, serves to modulate the flow of ions or charged particles to produce a similar or the same latent image on a second member.

SEE OR SEARCH CLASS

347, Incremental Printing and Symbolic Information,

55, for applying an electric field ejection intermittently.

OTHER CLASSIFICATION SYSTEMS:

ipc{2}G03G15/05, for imagewise charging (e.g., photoconductive control screen, optically activated charging means).

jpofiG03G15/05, for imagewise charging (e.g., photoconductive control screen, optically activated charging means). G03G15/22 107, for machines handling xeroradios:graphic images and for machines using a photocontrolled ion flow.

epcG03G15/22H, for using a photocontrolled ion flow.