Shopping cart retrieval system with award signal generation base

Details Shopping cart retrieval system with award signal generation base Shopping cart retrieval system with award signal generation base

1990-10-10

1992-06-02

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

194211, 194213, 194905, H04B 1000, G07F 1100

Patent

active

051190877

ABSTRACT:
A system for retrieving shopping carts at a store having a plurality of shopping carts is disclosed. The system includes a counter which can be preset to a first determined count. A target is mounted to each shopping cart while a sensor detects the return of each shopping cart to a designated area. As each shopping cart is returned to the designated area, the sensor generates an output pulse which changes the count in the counter. Whenever the count in the counter achieves a second predetermined count, an alarm is activated indicative that a prize is awarded to the person returning the shopping cart to the designated area.

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patent: 4576274 (1986-03-01), Thorsen
patent: 4868544 (1989-09-01), Havens

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