Apparatus and method of measuring temperature
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United States of America Patent
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Oct 5, 1993
Grant Date -
N/A
app pub date -
Sep 30, 1991
filing date -
Sep 30, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus for measuring the temperature and heating rate of a workpiece during the induction heating cycle by inducing and detecting a plurality of eddy current pulses at varying frequencies during a short power interruption to the induction coil and correlating the pulses to generate a workpiece profile which is compared to a reference profile to determine whether to reject the inductively heated workpiece.
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