Transient electromagnetic field detector

Electricity: measuring and testing – Testing potential in specific environment – Voltage probe

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Details

324 95, 324102, G01R 3102

Patent

active

046314733

ABSTRACT:
A high frequency electromagnetic field detector for detecting high frequency electromagnetic fields comprises a micro antenna for mainly receiving the induction term of the electromagnetic field, an amplifier for amplifying a voltage induced on the antenna, a comparator circuit for comparing the output of the amplifier with a predetermined reference level to output a signal indicating that the output exceeds the reference level, and an indicator in response to the signal from the comparator circuit for indicating it.

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Muhr, M., UFO Detector, Elektor, (Jul./Aug. 1979), vol. 51/52, No. 7-8.

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