Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1994-11-23
1996-09-10
Hofsass, Jeffery
Communications: electrical
Condition responsive indicating system
Specific condition
340551, 324300, 324308, 428611, 428615, G08B 1314
Patent
active
055549748
ABSTRACT:
A programmable tag for being readable remotely and in a manner which does not require that the tag be held in a particular orientation, includes a first layer of material with electron spin resonance absorption, a second layer of hard magnetic material, and a third layer of soft permeable magnetic material. The second layer and third layer are in close proximity to the first layer. The second layer and the third layer impose a magnetic bias field on the first layer.
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Brady Michael J.
Chaudhari Praveen
Gambino Richard J.
Heinrich Harley K.
Moskowitz Paul A.
Hofsass Jeffery
International Business Machines - Corporation
Lee Benjamin C.
Strunck, Esq. Stephen S.
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