Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Using radiant energy
Patent
1978-11-16
1981-02-24
Karlsen, Ernest F.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Using radiant energy
250225, 324142, G01R 3100, G01R 700
Patent
active
042530610
ABSTRACT:
In a high voltage or current detector of the type utilizing an insulating tube, polarized light is directed to a photoelectric element mounted on the upper end or contained in the insulating tube so as to modulate the polarized light in accordance with the voltage or current to be measured. The modulated light is directed to a photosensitive element on the lower end of the tube for producing an electric signal which is applied to a meter for displaying the voltage or current.
REFERENCES:
patent: 3363174 (1968-01-01), Hudson et al.
patent: 3425049 (1969-01-01), Robinson
patent: 3543151 (1970-11-01), Pelenc et al.
patent: 3675125 (1972-07-01), Jaecklin
Ikeda Sensaku
Ohno Hideo
Ono Toshiharu
Eto Goro
Karlsen Ernest F.
Ohno Hideo
Pfund Charles E.
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