Apparatus for testing metal detectors

Details Apparatus for testing metal detectors Apparatus for testing metal detectors

1976-08-27

1979-03-13

Strecker, Gerard R.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

324 6, 325363, H04B 1700, G01V 312, G01R 3500

Patent

active

041444868

ABSTRACT:
An apparatus and method for testing low-power, low-band radio frequency metal detectors of the type employing a radio transmitter alone or a transmitter and a receiver. The apparatus is characterized by a variable voltage power supply, a transmitter, an antenna, a voltmeter, a rectifier connected to the voltmeter, a switch for connecting the rectifier to either the antenna or the power supply and for selectively energizing the transmitter, and a surface placed in a fixed position relative to the antenna and defining the proper position for placement of the equipment under test.

REFERENCES:
patent: 2079205 (1937-05-01), Gillett
patent: 2242312 (1941-05-01), Machts
patent: 2421016 (1947-05-01), Deloraine et al.
patent: 2776365 (1957-01-01), White
patent: 3009057 (1961-11-01), Glaser
patent: 3461385 (1969-08-01), Bayer
patent: 3697876 (1972-10-01), Robbins et al.
patent: 3737782 (1973-06-01), Pierce
patent: 3970940 (1976-07-01), Venn

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