Edge-responsive apparatus for counting conveyor-transported arti

Details Edge-responsive apparatus for counting conveyor-transported arti Edge-responsive apparatus for counting conveyor-transported arti

1980-06-09

1983-05-17

Malzahn, David H.

Electrical pulse counters, pulse dividers, or shift registers: c

Systems

With photoelectric sensor

377 6, 377 8, G06M 706

Patent

active

043841953

ABSTRACT:
Apparatus for counting conveyor-transported articles, such as newspapers. The apparatus employes a laser which projects a beam to create reflections from such articles, which reflections are imaged onto a linear photodetector array. The array is scanned recurrently to detect the presence and location of such an image, and related, successive output signals from the array are fed to a data-processing circuit which confirms the occurrence of each passing article. Such confirmation is based on the pre-known manner in which the successive leading-edge profiles of passing articles cause multiple output signals of a certain character to be produced by the array.

REFERENCES:
patent: 3737666 (1973-06-01), Dutro
patent: 3835306 (1974-09-01), Bills et al.
patent: 3919531 (1975-11-01), Bobel et al.
patent: 4139765 (1979-02-01), Pomey
patent: 4217491 (1980-08-01), Dufford, Jr. et al.
patent: 4296314 (1981-10-01), Dabisch et al.

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