Self powered wireless system
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United States of America Patent
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Aug 23, 2016
Grant Date -
Oct 31, 2013
app pub date -
Apr 29, 2013
filing date -
Apr 30, 2012
priority date (Note) -
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Abstract
Apparatus for a self-powered wireless transmitter system. One such system includes an inductor, a delay circuit, and a transmitter with an antenna. The magnet interacting with the inductor generates both power and a trigger signal. The inductor generates sufficient power for the transmitter to transmit a wireless signal corresponding to when the magnet interacts with the inductor. Precise timing is insured by the inductor being connected to the trigger input of the transmitter unit and the delay circuit adding a short delay to the signal from the inductor with the delayed signal connected to the supply voltage connection of the transmitter. The transmitter transmits the wireless signal upon being energized through the delay circuit.
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