Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With electromagnetic field
Patent
1989-03-10
1990-03-27
Eisenzopf, Reinhard J.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
With electromagnetic field
G01R 120
Patent
active
049123980
ABSTRACT:
A moving iron instrument comprising a cylinder divided into two parts, a cylinder member to which a fixed iron vane is attached, and a frame member for holding a moving shaft to which a moving iron vane is attached, wherein the two members are made of an insulating material.
REFERENCES:
patent: 2183685 (1939-12-01), Lingg
patent: 2610989 (1952-09-01), Wiese et al.
patent: 2998571 (1961-08-01), Corson et al.
patent: 3034058 (1962-05-01), Bennekom
patent: 3155904 (1964-11-01), Thanander
patent: 3165695 (1965-01-01), Roerty
patent: 3585501 (1971-06-01), Okada
Eisenzopf Reinhard J.
Kojima Moonray
Regan Maura K.
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