Loudspeaker sound modulation appliance
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United States of America Patent
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-
Aug 1, 2006
Grant Date -
N/A
app pub date -
Mar 23, 2004
filing date -
Mar 23, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In combination with a loudspeaker assembly that includes a speaker diaphragm that is displaced to produce sound, the combination comprising a spinner element mounted to rotate in the path of sound waves produced by the speaker diaphragm; and a rotary drive for rotating the spinner, the spinner defining sound wave passing through openings, in said path.
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Cited Art Landscape
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