Portable counter and data storage system

Details Portable counter and data storage system Portable counter and data storage system

1994-06-23

1996-06-04

Heyman, John S.

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

Applications

Counting animate or inanimate entities

340556, 377 53, G06M 102, G06M 1274, G07C 900

Patent

active

055241298

ABSTRACT:
A compact counting and data storage system includes control circuitry coupled with a detector and input selector to enable monitoring of traffic within a selected area for a selected count interval. The system also includes a readily removable data storage unit.

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patent: 5119087 (1992-06-01), Lucas
patent: 5138638 (1992-08-01), Frey
patent: 5250941 (1993-10-01), McGregor et al.
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Michael J. McCarthy, James Bond Hits the Supermarket: Stores Snoop on Shoppers' Habits to Boost Sales, Wall Street Journal, Aug. 25, 1993.

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