US PATENT SUBCLASS 399 / 65
.~.~.~.~.~.~ Including sample holder

Current as of: June, 1999
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399 /   HD   ELECTROPHOTOGRAPHY

38  DF  CONTROL OF ELECTROPHOTOGRAPHY PROCESS {15}
53  DF  .~ Control of developing {4}
58  DF  .~.~ Concentration control {3}
61  DF  .~.~.~ Detection of toner in developing unit {1}
62  DF  .~.~.~.~ Concentration detection {2}
64  DF  .~.~.~.~.~ Optical detector {1}
65.~.~.~.~.~.~ Including sample holder

DEFINITION

Classification: 399/65

Including sample holder:

(under subclass 64) Subject matter wherein the toner to be detected is attracted to a detection location by an applied voltage.