Electric field whistle

Details Electric field whistle Electric field whistle

2011-04-08

2011-11-01

Nguyen, Tai T (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S660000, C340S691200, C340S691400, C340S693500, C340S425500, C340S427000, C234S072000, C234S045000

Reexamination Certificate

active

08049633

ABSTRACT:
In one embodiment, an electric field sensor is provided including an elongated conductor; a circuit including an input and an output connected across the elongated conductor wherein said circuit includes a DC to AC signal converter; wherein said elongated conductor is operative to impose a DC signal on said circuit input in response to being exposed to an electric field and broadcast an AC signal converted from said DC signal in response to said electric field being greater than a threshold level.

REFERENCES:
patent: 4904996 (1990-02-01), Fernandes
patent: 7855476 (2010-12-01), Ogram
SAE 1999-11-0033, E-Field Detectors.
Lightning: Physics and Effects, Vladimir A. Rakov, Martin A. Uman, Cambridge University Press, 2007 ISBN 0521035414, 9780521035415, 697 Pages, Lightning and Airborne Vehicles, p. 352.

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