Music – Instruments
Patent
1975-01-27
1976-07-27
Hix, L. T.
Music
Instruments
84 124, 84445, G10H 100, G10H 502
Patent
active
039712826
ABSTRACT:
An electronic musical instrument capable of transposition has a high frequency oscillator provided on its output side with an octave frequency divider comprising twelve counter circuits to generate twelve tone signals based on a twelve tone tempered scale. These tone signals are respectively frequency-divided by respective pluralities of counter circuits to obtain a plurality of octave tone signals. An oscillator for transposition comprising a plurality of counter circuits is provided and the output terminals of these counter circuits are selectively connected to an input terminal of the octave frequency divider such that the oscillation frequency generated from the high frequency oscillator is added to the oscillation frequency generated from the transposition oscillation to produce an input frequency for the octave frequency divider. A frequency divider is provided at the output of the oscillator.
REFERENCES:
patent: 3610800 (1971-10-01), Deutsch
patent: 3674907 (1972-07-01), Derry
patent: 3697661 (1972-10-01), Deutsch
patent: 3824325 (1974-07-01), Obayashi et al.
patent: 3836909 (1974-09-01), Cockerell
patent: 3890871 (1975-06-01), Oberheim
patent: 3910149 (1975-10-01), Obayashi
Obayashi Nobuharu
Sakashita Tetsuzi
Hix L. T,.
Kabushiki Kaisha Kawai Gakki Seisakusho
Witkowski Stanley J.
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