Earthquake Cabinet Safety
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United States of America Patent
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N/A
Issued Date -
Apr 19, 2012
app pub date -
Oct 15, 2010
filing date -
Oct 15, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Apparatus for detecting the initial shock of an earthquake and automatically locking a cabinet door before the occurrence of destructive ground motions having an accelerometer located to measure the acceleration of a shock wave of an earthquake coupled to an integrator which obtains the time integral of the acceleration of the shock wave of the earthquake. Comparing means which is coupled to the integrator to compare the value of the time integral of the acceleration of the shock wave with a preset value sends a signal to a signal generating means when the value of the time integral of the acceleration of the shock wave is equal or greater than the preset value. A power amplifier coupled to the signal generating means generates a signal which locks a cabinet door by operating a latch when the value of the time integral of the acceleration is equal or greater than the preset value.
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