Music – Instruments
Patent
1984-04-11
1985-10-08
Isen, Forester W.
Music
Instruments
84377, 84 114, 84DIG14, G10H 300
Patent
active
045452776
ABSTRACT:
A sound attachment for a reed instrument such as a harmonica. A housing is provided having an open end adapted for attachment to the instrument, covering the full width of the portion of the instrument from which sound is emitted, and a closed opposite end. Interior walls of the housing converge from the open end to an area intermediate the length of the housing, defining a sound funnel. A sound absorbing collar is mounted transversely within the housing, located between the intermediate area and the closed end of the housing, and has an electronic sound pick up element mounted therein. The pick up element is located to provide an air chamber on both sides of the collar pick up element assembly, the rear chamber being at least partially filled with sound absorbing material such that virtually total sound from the instrument is received by the pick up element with very little or no distortion, and thus may be amplified without distortion. The chamber formed by the sound funnel has an aperture or port leading to the exterior of the housing allowing the reed instrument player to modify at will the volume and tone of the sound by controllably obturating the aperture or port with a finger or forming a secondary resonance cavity by cupping of the hand over the aperture or port.
REFERENCES:
patent: 2945408 (1960-07-01), Terlinde
patent: 3868881 (1975-03-01), Heath
patent: 3901118 (1975-08-01), Ford
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