Music – Instruments
Patent
1982-09-30
1984-11-06
Witkowski, S. J.
Music
Instruments
84423A, 84451, 84DIG2, G10H 122
Patent
active
044805195
ABSTRACT:
An improved keyboard for a musical instrument includes a plurality of keys arranged in a side-by-side order, all lying in a common plane. Different embodiments of the invention have a varying number of keys per octave, from as small as 12 keys per octave to as high as 90-120 keys per octave. In those embodiments of the invention in which the number of keys per octave results in a key whose width is too narrow to be uniquely depressed by an operator's finger, associated apparatus determines from a plurality of keys which have been depressed, a particular tone to be produced. The keyboard may be associated with apparatus to distinguish one set of keys from other sets of keys, which apparatus can include a selectively energizable light source associated with each different key or other equivalent apparatus.
REFERENCES:
patent: 1685401 (1928-09-01), Fellows
patent: 2456575 (1948-12-01), Young
patent: 2706926 (1955-04-01), Young
patent: 3200689 (1965-08-01), Rosberger
patent: 3943811 (1976-03-01), Coles
patent: 3986422 (1976-10-01), Coles
patent: 4009633 (1977-03-01), Coles
patent: 4048893 (1977-09-01), Coles
patent: 4098162 (1978-07-01), Okamoto et al.
patent: 4100831 (1978-07-01), Deutsch
Osvaldo Skliar et al., "Una Nueva Notacion Musical", Editorial Episteme (Buenos Aires 1976).
Arellano Yolanda M.
Witkowski S. J.
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