Voltage testing device for electric tooth-brush

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Nonquantitative

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Details

324437, 320 48, G01R 1900

Patent

active

050032500

ABSTRACT:
A voltage testing device for electric tooth-brushes comprises a device body, a light emitting member mounted to the device body, and a pair of electrical conductors mounted to the device body and having each one end connected to the light emitting member and the other end projecting outwardly of the device body.

REFERENCES:
patent: 3657648 (1972-04-01), Malme
patent: 3667454 (1972-06-01), Prince
patent: 3753095 (1973-08-01), Nichols
patent: 4025850 (1977-05-01), Spiteri
patent: 4514695 (1985-04-01), Lau
patent: 4533864 (1985-08-01), Austin
patent: 4564802 (1986-01-01), Collins

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