Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1977-04-15
1978-05-02
Olms, Douglas W.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
324 57SS, H04B 346
Patent
active
040876586
ABSTRACT:
A signal is produced which is representative of the absolute value of the impedance of admittance (i.e., immittance) of a circuit as a function of frequency. At the same time, the frequencies are identified for the local maximum and minimum values of this signal.
REFERENCES:
patent: 3711771 (1973-01-01), Hume et al.
"Direct-Reading Swept-Frequency Slotted-Line System with Slope Correction" by Stauffer et al., in IEEE Transactions on Instrumentation and Measurement, vol. IM-23, No. 4, pp. 394-399.
Bell Telephone Laboratories Incorporated
Logan H. L.
Olms Douglas W.
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