Encodable tag with radio frequency readout

Communications: electrical – Condition responsive indicating system – Specific condition

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Details

340551, 324300, 324308, 428611, 428615, G08B 1314

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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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Duret et al.; "An Absolute Earth Field ESR Vectorial Magnetometer"; IEEE Transactions on Magnetics, vol. 28, No. 5, Sep. 1992; pp. 2187-2189.
Duret et al.; "Use of High Performance Electron Spin Resonance Materials for the Design of Scalar and Vectorial Magnetometers"; IEEE Transactions on Magnetics, MAG-27, 1992, pp. ? (3 pages total).

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