Ultrasonic and VHF locator of electrical systems defects

Details Ultrasonic and VHF locator of electrical systems defects Ultrasonic and VHF locator of electrical systems defects

1981-05-11

1984-03-27

Krawczewicz, Stanley T.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

G01R 3102

Patent

active

044397232

ABSTRACT:
An ultrasonic detecting transducer and a VHF detecting antenna for locating electrical systems defects are mounted on a probe housing and connected through an RF detector to an audio amplifier and speaker contained in the housing, the speaker communicating with the adjacent connected end of an elongated, hollow, electrically non-conductive, substantially rigid pole the opposite, outer handle portion of which pole is rotatable relative to the inner portion and is perforated to allow sounds from the speaker to be heard by the operator grasping the handle portion. A switch is provided on the housing for shorting the VHF detecting antenna when the ultrasonic detecting component is to be used.

REFERENCES:
patent: 2142304 (1939-01-01), Cummings
patent: 3345560 (1967-10-01), Perkins
patent: 3551804 (1970-12-01), Weddle
patent: 3820018 (1974-06-01), Beasley et al.
patent: 3857091 (1974-12-01), Kalifon
patent: 4072899 (1978-02-01), Shimp
patent: 4158169 (1979-06-01), Harrold et al.
patent: 4316139 (1982-02-01), Root

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