Event detector
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United States of America Patent
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May 15, 2018
Issued Date -
N/A
app pub date -
Apr 27, 2016
filing date -
Dec 15, 2015
priority date (Note) -
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Abstract
A detector of an event includes an electrical energy generator formed by a flexible piezoelectric element with a weight fastened to the flexible piezoelectric element that is biased with the weight in a position with the piezoelectric element flexed. In response to detection of the event, a trigger releases the weight so as to cause a vibration of the piezoelectric element. This vibration is converted by the flexible piezoelectric element into electrical energy. An electronic system is power by the electrical energy and is operable to generate an electrical signal indicative of the detected event.
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International Classification(s)
- G08B:SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; A....
- G01K:MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT;....
- H01L:SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICE....
- H02N:ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- G01P:MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, D....
- G01D:MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VAR....
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