Music – Instruments
Patent
1978-11-30
1980-08-05
Rubinson, Gene Z.
Music
Instruments
84 122, G10H 100
Patent
active
042156149
ABSTRACT:
There are provided a plurality of key switches which respectively designate the pitches of the musical tones to be generated, a frequency number generator which generates frequency numbers corresponding to the respective key switches, a harmonic order number generator which generates harmonic order numbers representing the orders of the respective harmonic components, an arithmetic processor for producing a multiplication product of the frequency number and the harmonic order number, an accumulator which repeatedly accumulates the output of the arithmetic processor of each harmonic order at a predetermined speed, and a sinusoid table including a memory device storing the amplitude values at respective sampling points of a sinusoidal wave for generating the amplitude values of the sinusoidal wave corresponding to respective harmonic components thereby producing the harmonic components.
REFERENCES:
patent: 3610901 (1971-10-01), Lynch
patent: 3809786 (1974-05-01), Deutsch
patent: 3888153 (1975-06-01), Deutsch
patent: 3929053 (1975-12-01), Deutsch
patent: 3951030 (1976-04-01), Deutsch
patent: 4000675 (1977-01-01), Futamase et al.
Isen Forester W.
Nippon Gakki Seizo Kabushiki Kaisha
Pfund Charles E.
Rubinson Gene Z.
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