Collator with photoelectric bin fill detection

Details Collator with photoelectric bin fill detection Collator with photoelectric bin fill detection

1981-10-14

1985-05-28

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250561, G01V 904

Patent

active

045202630

ABSTRACT:
A collator has a common light-emitting element for emitting light to a photosensitive element for detecting an empty bin and to a photosensitive element for detecting a full bin; or a common photosensitive element for receiving light emitted from a light-emitting element for detection of an empty bin and from a light-emitting element for detection of a full bin. The collator allows correct detection of an empty bin and a full bin with fewer members and with simple construction. After detection of a full bin, some sheets already printed by a high-speed printer or the like can still be stacked in a space above the full bin level. Each bin also incorporates a bin inlet sensor to prevent erratic detection of a full bin or an empty bin when a sheet is in the process of being inserted in the bin through the inlet.

REFERENCES:
patent: 3457423 (1969-07-01), Gravely
patent: 4229650 (1980-10-01), Takahashi et al.
patent: 4265440 (1981-05-01), Shibazaki et al.

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