Noise detection apparatus

Details Noise detection apparatus Noise detection apparatus

1980-12-19

1983-11-29

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

340657, 340699, G08B 2100

Patent

active

044183410

ABSTRACT:
A non-contact noise detection apparatus is provided with a detector not connected to the source of the noise for detecting the high frequency field generated by the source. A high pass filter and amplifier passes the high frequency pulse components only of the output of the detector. A pulse generator is responsive to the output of the high pass filter to provide a pulse signal of predetermined width, and an indicator is responsive to the pulse generator.

REFERENCES:
patent: 3653019 (1972-03-01), Barton et al.
patent: 3783680 (1974-01-01), Mason
patent: 4163227 (1979-07-01), Sawada et al.

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