Impact responsive portable electronic drumhead
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United States of America Patent
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May 10, 2016
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N/A
app pub date -
Dec 4, 2014
filing date -
Dec 4, 2014
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Abstract
A portable electronic drumhead sensor which converts impact forces exerted by a drumstick or hand into electrical pulses input to headphones to thereby simulate sounds of an acoustic drumhead includes a Force Sensing Resistor (FSR) lamination coated with an electrically conductive polymer ink, a spacer lamination, and a flexible electrode lamination having on an inner surface thereof interdigitated electrodes, the electrode lamination elastically contacting the FSR lamination in response to impact forces on the outer surface of either lamination to momentarily reduce electrical resistance between the electrodes. An annular ring-shaped embodiment of the sensor positionable on an acoustic drumhead has an upwardly protruding resilient bumper strikable to produce electronically synthesized rim-shot sounds. Optionally, the sensor may include a planar resistor connected to a row of electrodes which enables determination of the position where a force has been exerted on the sensor as well as the magnitude of the force.
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