Harmonica

Details Harmonica Harmonica

1991-08-26

1993-01-26

Roskoski, Bernard

Music

Instruments

Wind

G10D 712

Patent

active

051824132

ABSTRACT:
A harmonica with increased musical range and volume is disclosed. The technique used to produce some of the additional notes is called bending. To increase the musical range of the instrument, the harmonica has four reeds per reed cell. Two of the reeds are traditional blow and draw reeds and the other two reeds are enabler reeds for enabling the blow and draw reeds to both be bent to lower frequencies. All four reeds have check valves which are essential for the enabler reeds to preclude unwanted sympathetic vibration in adjacent cells.

REFERENCES:
patent: 1735645 (1929-11-01), Hostetter
patent: 2565100 (1951-08-01), Tate
patent: 2592220 (1952-04-01), Wetzler

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