Device using membranous valve to produce sound
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United States of America Patent
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N/A
Issued Date -
Jul 17, 2003
app pub date -
Jan 17, 2002
filing date -
Jan 17, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A device (10) for producing sound, such as, for example, simulated animal calls for hunting or flatulence or other bodily noises for entertainment, using a membranous valve (17) including one or more vibrating thermoplastic or thermoset plastic membranes (18,20), wherein said vibration is mechanically induced by a gas, such as air, releasing from a reservoir (12). In a preferred embodiment, the device (10) is hand-held, portable, and broadly comprises the reservoir (12); a return (14); a focuser (16); the membranous valve (17); and an emitter (22). Gas released from the reservoir (12) is directed by the focuser (16) to pass across the one or more membranes (18,20) which are held in their operating positions by the emitter (22). Vibration of an edge portion of each membrane (18,20) produces the desired sound.
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