Tester for a copier

Details Tester for a copier Tester for a copier

1982-08-30

1986-02-25

Braun, Fred L.

Photocopying

Including fiber optics

118688, 118694, 355 14D, G03G 1508

Patent

active

045726612

ABSTRACT:
A tester can resolve a sensed signal whose duty cycle is proportional to the amount of a developer disposed in a copier. The tester includes an input device and an indication device. The input device is coupled to the copier for providing a processed signal relating to the extent the sensed signal resides in a predetermined state. The indication device is coupled to the input device and can provide an indication of the magnitude of the processed signal.

REFERENCES:
patent: 4032227 (1977-06-01), Hubbard et al.
patent: 4108545 (1978-08-01), Eckert et al.
patent: 4155638 (1979-05-01), Blitzer
patent: 4343548 (1982-08-01), Bares et al.
patent: 4419010 (1983-12-01), Grombone et al.
patent: 4423948 (1984-01-01), Kimura et al.

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