Voltage detecting device

Details Voltage detecting device Voltage detecting device

1988-06-02

1991-01-01

Karlsen, Ernest F.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Using radiant energy

350356, G01R 1507, G01R 3128

Patent

active

049821520

ABSTRACT:
A voltage detecting device using an electro-optical material with a refractive index which is changed by a voltage at a part of an object comprising a light source, comprises an electro-optical material for changing the optical path of the light beam from the light source in accordance with the refraction index of the electro-optical material and a slit or optical fiber extractor at a predetermined position at the output of the electro-optical material for extracting the quantity of light of the light beam at the predetermined position and a detector detecting a voltage at the part of the object from the quantity of light extracted.

REFERENCES:
patent: 3447855 (1969-06-01), Skinner
patent: 4618819 (1986-10-01), Mourou et al.

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