Apparatus for measuring impedance

Details Apparatus for measuring impedance Apparatus for measuring impedance

1984-05-21

1986-12-23

Coven, Edward M.

Surgery

Truss

Pad

128419C, H61B 500

Patent

active

046306153

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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patent: 4390023 (1983-06-01), Rise
patent: 4408617 (1983-10-01), Auguste

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