Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1992-07-02
1993-11-09
Swann, III, Glen R.
Communications: electrical
Condition responsive indicating system
Specific condition
340551, 34082531, 364403, G08B 1324
Patent
active
052606902
ABSTRACT:
A responder assembly for an article inventory control system employs a plurality of sensors for detection of sensitized markers attached to inventory items. By processing signals from each of the plurality of sensors, a detection pattern is provided to determine whether none, one, or more than one marker is present within a zone of sensitivity.
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Mann Graeme R.
Naylor Rick L.
Bates Carolyn A.
Forrest Peter
Griswold Gary L.
Minnesota Mining and Manufacturing Company
Swann III Glen R.
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