US PATENT SUBCLASS 399 / 49
.~.~ Having detection of toner (e.g., patch)


Current as of: June, 1999
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399 /   HD   ELECTROPHOTOGRAPHY

38  DF  CONTROL OF ELECTROPHOTOGRAPHY PROCESS {15}
46  DF  .~ Of plural processes {3}
49.~.~ Having detection of toner (e.g., patch)


DEFINITION

Classification: 399/49

Having detection of toner (e.g., patch):

(under subclass 46) Subject matter wherein a means or method is provided that senses developing material.

(1) Note. Developing material may be applied in the form of a test patch or a developed image.

(2) Note. Developing material may be detected in a developing apparatus before application to the latent image.

SEE OR SEARCH THIS CLASS, SUBCLASS:

27, for diagnostic of consumables (e.g., toner).

35, for diagnostics of cleaning a waste toner container.

41, for detecting plural colors of toner for concentration control.

61+, for detection of toner in a developing unit. 99+, for toner removal.

106, for a toner cartridge.

120, for a new and waste toner container.

129, for supplemental exposure or charging of residual toner.

134, for image formation with photoconductive toner.

224, for adding colored toner.

239+, for application of liquid developer.

253, for conditioning dry toner.

254+, for mixing dry toner.

258+, for supplying new toner.

265+, for application of dry developer.

359, for supplying reclaimed toner to the developing device.

409, for binding copies by toner.

OTHER CLASSIFICATION SYSTEMS:

ipc{2}G03G15/00, for an electros:graphic process using a charge pattern.

epcG03G15/00C7, for measuring photoconductor characteristics (e.g., temperature, a test patch). G03G15/00C8, for measuring the characteristics of an image on the copy material.