Communications: electrical – Continuously variable indicating – With meter reading
Patent
1988-01-26
1990-03-06
Yusko, Donald J.
Communications: electrical
Continuously variable indicating
With meter reading
235440, 235449, 235439, 235380, 3408253, 34082531, 34082533, G06K 700
Patent
active
049069888
ABSTRACT:
Appartus and methods of verifying objects utilize detectable characteristics of a plurality of spaced apart, magnetizable magnetic security regions affixed to the object. Magnetic characteristics for each magnetic region are detected from two different orientations. A verification apparatus senses the magnetic characteristics from two different orientations and compares it to a prestored representative profile previously created. Correspondence between the prestored profile and the currently read characteristics indicates an authentic object. Other objects can be rejected.
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Pudpud Eric
Rand McNally & Co.
Yusko Donald J.
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