Electromagnetic device utilizing a pair of magnetically activated electronic switches
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United States of America Patent
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Mar 30, 1982
Grant Date -
N/A
app pub date -
Oct 14, 1980
filing date -
Oct 14, 1980
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An electromagnetic device utilizing a pair of Hall effect switches for detecting the presence or absence of an electrical current of a first and a second value. The device includes a flux generator for generating a field of magnetic flux and a magnetic circuit including a pair of adjustable cores for varying the amount of flux delivered to the Hall switches. A first Hall switch outputs a signal responsive to the presence or absence of a current of a first value and the second a signal representative of a current of a second value.
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