Static electricity indicator

Electricity: measuring and testing – Electrostatic field

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Details

46233, G01R 528

Patent

active

042086299

ABSTRACT:
The subject invention relates to an indicator device sensitive to small as well as high concentrations of electrostatic charges, the indicator comprising a transparent housing composed of an electrically insulating material and a plurality of articles confined within said housing, said articles having a thin metallic surface such as silver coated upon a low density core.

REFERENCES:
patent: 3955630 (1976-05-01), Thomas
Joseph Alexander et al., A Sourcebook for the Physical Sciences, Harcourt, Brace & World, Inc., New York, 1961, p. 504, FIG. 21-10.
M. Riaz, Electrical Engineering Laboratory Manual, McGraw-Hill Co. 1966, pp. 21.1-21.6, see use of ping-pong balls part 5 of Exp. 21.
Allan S. Kullen et al., Webster's New American Dictionary, p. 737, definition of ping-pong.

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