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NON-CONTACT DATA CARRIER, INTERROGATOR, NON-CONTACT DATA CARRIER SYSTEM, DATA ACQUISITION METHOD FOR NON-CONTACT DATA CARRIER, AND DATA ACQUISITION PROGRAM FOR NON-CONTACT DATA CARRIER
NON-CONTACT DATA CARRIER, INTERROGATOR, NON-CONTACT DATA CARRIER SYSTEM, DATA ACQUISITION METHOD FOR NON-CONTACT DATA CARRIER, AND DATA ACQUISITION PROGRAM FOR NON-CONTACT DATA CARRIER
PROBLEM TO BE SOLVED: To increase flexibility of measurable physical quantity maintaining a reduced cost and miniaturization even when a physical quantity measurement function is mounted on a non-contact data carrier.;SOLUTION: The non-contact data carrier includes a measurement port connecting a comparison signal generation source generating a signal to be compared corresponding to surrounding physical quantity; a comparison means for comparing a threshold with the input signal to be compared, and outputting the comparison resu a variable threshold means for variably outputting the threshold; and a comparison control means for communicating with the interrogator for the measurement. The interrogator makes the comparison means repetitively compare with the varied thresholds, and fetches the threshold information having a varied logic in the comparison result, and thereby obtains information of the physical quantity related to the signal to be compared.;COPYRIGHT: (C)2006,JPO&NCIPI
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