Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Patent
1988-07-12
1990-03-06
Karlsen, Ernest F.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
With rotor
324 96, 324 731, G01R 3128
Patent
active
049069225
ABSTRACT:
A voltage detecting device for detecting voltages in an object under test including an electro-optic material covering a plurality of parts of the object under test; the refractive index of the electro-optic material being variable according to an applied voltage. A light source emits light through the electro-optic material toward the object under test and a detecting device receives an emergent light beam reflected from within the electro-optic material in order to detect voltages in the object. Further, a scanning device automatically scans the object under test with the light beam in order to detect voltages at a plurality of locations on the object.
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Aoshima Shinichiro
Takahashi Hironori
Tsuchiya Yutaka
Hamamatsu Photonics K. K.
Karlsen Ernest F.
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