Keyboard system for musical instruments

Details Keyboard system for musical instruments Keyboard system for musical instruments

1978-01-04

1980-04-22

Witkowski, S. J.

Music

Instruments

84429, 84445, G10H 102, G10H 500

Patent

active

041988906

ABSTRACT:
Adjacent primary digitals of a musical keyboard are actuated in the same fingering sequence for all key signatures. Each primary digital forms part of a three section group having two secondary digitals for producing the sharps and flats. Through a separate selector keyboard, the tones produced by selected digitals are shifted by a half-tone in accordance with a logic applied program to transpose operation of the keyboard to the selected key signature.

REFERENCES:
patent: 1009194 (1911-11-01), Smith
patent: 2542532 (1951-02-01), Jewett et al.
patent: 3012460 (1961-12-01), Wilson
patent: 3610800 (1971-10-01), Deutsch
patent: 4048893 (1977-09-01), Coles
patent: 4056032 (1977-11-01), Coles

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