1976-12-09
1978-01-31
Schaefer, Robert K.
Music
Instruments
84 124, G10H 100
Patent
active
040709426
ABSTRACT:
A tone generator for an electronic musical instrument. In the tone generator, a coincidence output is produced when contents of a counter which successively counts a clock pulse have amounted to a value representing a tone of a depressed key. The counter is reset by a reset pulse with delay of a predetermined clock time from the time when the coincidence output is produced.
An example is disclosed in which an output of a desired period is statically produced by generating the reset pulse with delay of selected number of clock pulses with respect to the coincidence output. Also disclosed is another example in which desired signals among a plurality of delayed signals produced with delay of one or more clock pulses with respect to the coincidence output are dynamically selected for resetting the counter in response to an output of another counter which cyclically performs counting.
REFERENCES:
patent: 3878750 (1975-04-01), Kapps
patent: 3895554 (1975-07-01), Maillet
patent: 3977290 (1976-08-01), Sakashita
patent: 3979996 (1976-09-01), Tomisawa et al.
patent: 4023454 (1977-05-01), Obayashi et al.
patent: 4043240 (1977-08-01), Ando
Miska Vit W.
Nippon Gakki Seizo Kabushiki Kaisha
Schaefer Robert K.
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