Magnetically activated RF switch indicator
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United States of America Patent
Stats
-
Dec 16, 1997
Grant Date -
N/A
app pub date -
Apr 4, 1996
filing date -
Apr 4, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electromagnetic relay, such as an electromechanical RF switch, which is operated by an electromagnetic coil, is provided with an indicating circuit which responds to the position of the electromagnetic armature as well as the application of driving current to the coil. A magnetically activated reed switch is mounted adjacent to the electromagnetic coil at a distance selected so that the magnetic field of the coil will operate the reed switch when current is applied to the coil and the armature is driven into a position closing a magnetic circle.
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