Sheet-processing apparatus including optical sensor cleaning dev

Details Sheet-processing apparatus including optical sensor cleaning dev Sheet-processing apparatus including optical sensor cleaning dev

1987-03-24

1988-11-01

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250239, G01N 904

Patent

active

047822252

ABSTRACT:
A sheet processing apparatus comprises conveyor belts for conveying a plurality of supplied sheets one by one and optical detecting units for optically detecting sheets conveyed in the convey belts, and performs predetermined processing while the sheets are being conveyed by the conveyor belts. The apparatus further comprises cleaning pads, provided in the apparatus, for cleaning the optical detecting units and cleaning actuating units, provided in the apparatus, for actuating the cleaning pads to clean the optical detecting units.

REFERENCES:
patent: 3805027 (1974-04-01), Azure
patent: 3844661 (1974-10-01), Birkett
patent: 4165179 (1979-08-01), Sato
patent: 4363545 (1982-12-01), Schafer
patent: 4434359 (1984-02-01), Watanabe
patent: 4473279 (1984-09-01), Sakaki
patent: 4536064 (1985-08-01), Schindel
patent: 4670647 (1987-07-01), Hubble
patent: 4701959 (1987-10-01), Asai

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