Modified musical instrument keyboard

Details Modified musical instrument keyboard Modified musical instrument keyboard

1985-05-24

1986-12-16

Franklin, Lawrence R.

Music

Instruments

General features

84423R, G10C 312

Patent

active

046287922

ABSTRACT:
A keyboard for a musical instrument includes at least one series of keys wherein seven keys in the series and five keys correspond to the typical piano or synthesizer white and black keys, respectively. Twelve narrow keys at a third level raised from the level of the black keys, each coupled to switches for producing a respective pitch and wherein the narrow keys are arranged with respect to the white and black keys such that a narrow key comprises every other key.

REFERENCES:
patent: 1421464 (1922-07-01), Hans
patent: 1603676 (1926-10-01), Forster
patent: 1775330 (1930-09-01), Stoehr
patent: 1815228 (1931-07-01), Barth
patent: 1851168 (1932-05-01), Forster
patent: 1958227 (1934-05-01), Barnett
patent: 2097280 (1937-10-01), House
patent: 2266856 (1941-12-01), Farny
patent: 2627777 (1953-02-01), Robbins
patent: 2706926 (1955-04-01), Young
patent: 3200689 (1965-08-01), Rosberger
patent: 3915050 (1975-10-01), Hak

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