Object counter and identification system

Details Object counter and identification system Object counter and identification system

1997-02-07

1998-05-26

Wambach, Margaret Rose

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

Applications

Counting animate or inanimate entities

377 14, 377 24, G03M 700

Patent

active

057578761

ABSTRACT:
A system for counting the number of objects of known thickness in a stack and identifying the objects by their color in which an ultrasonic sensor is mounted at a known distance from a reference point that defines the beginning of the stack. The ultrasonic sensor is operated to measure the round trip transit time of ultrasonic energy reflected back from the closest object in the stack and the number of objects in the stack is calculated on the basis of the known distance and the round trip transit time. A color sensor senses the color of at least one object in the stack to identify the object. In a casino application where the objects are chips of known monetary value, the value of the chips in the stack can be calculated.

REFERENCES:
patent: 4026309 (1977-05-01), Howard
patent: 4755941 (1988-07-01), Bacchi

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