Apparatus for sensing the presence of toner particles

Details Apparatus for sensing the presence of toner particles Apparatus for sensing the presence of toner particles

1984-06-01

1986-09-16

Braun, Fred L.

Photocopying

Including fiber optics

118688, 118689, G03G 1509

Patent

active

046119000

ABSTRACT:
An apparatus in which the presence of toner particles is detected. The apparatus includes a member adapted to be charged by the toner particles in contact therewith. A signal is transmitted in response to the member being charged to indicate the presence of toner particles in contact with the member.

REFERENCES:
patent: 3892672 (1975-07-01), Gawron
patent: 3932034 (1976-01-01), Takahashi
patent: 4181422 (1980-01-01), Forgo et al.
patent: 4343548 (1982-08-01), Bares et al.
patent: 4524088 (1985-06-01), Fagen et al.

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