Fuse wire switch
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United States of America Patent
Stats
-
Mar 6, 1990
Grant Date -
N/A
app pub date -
Jan 5, 1989
filing date -
Jan 5, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A spring powered switching mechanism in which the energy required to complete switching is stored in a spring (or springs) which are constrained in a 'cocked' or stressed condition by a fuse wire. The fuse wire has the characteristic of having a relative flat coefficient of resistivity over a large temperature range. The mechanism is operative to close (or open) electrical circuits permanently upon receipt of the appropriate electrical signal to the 'fuse' or 'bridge' wire which is caused to break as a result of the receipt of the electrical signal.
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