Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1975-10-20
1977-05-10
Corcoran, Robert J.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
324 95, G01R 3302
Patent
active
040230937
ABSTRACT:
This is a probe for detecting the magnetic field component of low frequency electro-magnetic fields. Loop antennas utilizing thermocouples are tuned to resonate at a frequency below the lower frequency of the range being detected and a plurality of these loop antennas are arranged orthogonally to one another in order to obtain isotropic performance.
REFERENCES:
patent: 3721900 (1973-03-01), Andrews
patent: 3750017 (1973-07-01), Bowman et al.
patent: 3794914 (1974-02-01), Aslan
F. Tischer, Precision Sensor for Magnetic Field, IEEE Trans. Ind. Elec., Cont Instrument (U.S.A.), vol. 17, No. 2, Apr. 1970, pp. 185-187.
Aslan, E., Broad Band Isotropic etc., IEEE Trans. on Inst., vol. 1m-21, No. 4, Nov. 1972, pp. 421-424.
Corcoran Robert J.
The Narda Microwave Corporation
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