Decision machine of detection tag using magnetic field
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United States of America Patent
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Issued Date -
Aug 24, 2006
app pub date -
Feb 6, 2006
filing date -
Feb 8, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The present invention discloses a decision machine of detection tag using magnetic field, comprising: a cross coil 22 constituted by a plurality of individual coils which have been wound round a frame member so as to form a predetermined differential angle between the central axes of the individual coils, a magnetic power supply part 24 comprising an oscillator for generating an AC power and a phase modulator for differing each other the phase of AC power generated by the oscillator, by a predetermined differential angle, to supply powers of different phases to the individual coils, a signal processor part 28 connected to the plurality of individual coils, and a decision part 30 for deciding the output signal sent from the signal processor part.
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