Ground isolated electrostatic field detector

Details Ground isolated electrostatic field detector Ground isolated electrostatic field detector

1978-05-17

1982-09-14

Strecker, Gerard R.

Electricity: measuring and testing

Electrostatic field

324 52, 324133, G01R 528, G01R 3108

Patent

active

043497837

ABSTRACT:
An instrument for locating the position of hidden live continuous or broken wires utilizes an indicator such as a series of light emitting diodes to indicate the adjacency or the strength of the electrostatic field surrounding the wire. By watching the number of light emitting diodes lit, the instrument can be brought directly to the wire. The instrument is comprised of an antenna connected to the high input impedance of an amplifier, a low pass filter connected to the output of the amplifier, a lamp operation circuit and an indication means connected to the lamp operation circuit.

REFERENCES:
patent: 2615969 (1952-10-01), Albrecht
patent: 3309690 (1967-03-01), Moffitt
patent: 3482235 (1969-12-01), Johnson
patent: 3786468 (1974-01-01), Moffitt
patent: 3828256 (1974-08-01), Liu
patent: 3927571 (1975-12-01), Athey
patent: 3987392 (1976-10-01), Kugelmann et al.

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