Acoustics – Sound-modifying means
Patent
1987-06-23
1988-10-11
Fuller, B. R.
Acoustics
Sound-modifying means
181141, G10K 1100
Patent
active
047764279
ABSTRACT:
An echo sound melodeon, in accordance with the principles of this invention, includes a body on which is mounted a keyboard and a holder, and a controlled flow of air into an interior of the body. A propeller is placed in the interior of the body in the path of the controlled flow of air. The spinning of the propeller causes the flow of air to vibrate and the vibrating air creates echo sound effects.
REFERENCES:
patent: 2849909 (1958-09-01), Gobbi
Franklin Richard
Fuller B. R.
MacPherson Alan H.
Winters Paul J.
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