Apparatus for measuring impedance
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United States of America Patent
Stats
-
Dec 23, 1986
Grant Date -
N/A
app pub date -
May 21, 1984
filing date -
May 21, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The apparatus comprises: a comparator for comparing the voltage at which the constant current pulses are being supplied to the load with an increasing reference voltage; a counter for counting the number of voltage pulses that are greater in magnitude than the increasing reference voltage over a sampling period; and signal processing circuitry for correlating the count of pulses over the sampling period with the impedance of the load required to generate that number of constant current pulses at the voltage required for same.
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- Non-US Classification not provided for expired patents
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Patent Citation Ranking
- Citation Ranking not provided for expired patents
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