Music – Instruments
Patent
1977-07-07
1978-10-17
Weldon, Ulysses
Music
Instruments
84 124, 84DIG8, 84 117, G10F 100
Patent
active
041202260
ABSTRACT:
For reiteration of percussive sounds in an electronic organ there is provided a circuit for generating pulse signals for reiteration control which are "on" for much longer periods than they are "off", thereby substantially reducing the chance of an organ key being actuated when the control signal is in its "off" condition. The circuit is so arranged that playing of an additional key at a time when one or more other keys are being held has no effect on the reiteration of the sound produced by the held keys. The circuit generates four control signals which are connected such that each controls three notes in a given octave on the keyboard, a different three in successive octaves, such that when normal intervals (e.g., thirds, fourths and fifths) are played, the effect of random reiteration control is produced.
REFERENCES:
patent: 3378624 (1968-04-01), Markowitz
patent: 3476864 (1969-11-01), Munch et al.
patent: 3548066 (1970-12-01), Freeman
patent: 3571626 (1971-03-01), Reif
patent: 3617602 (1971-11-01), Kniepkamp
patent: 3629482 (1971-12-01), Pulfer et al.
patent: 3787601 (1974-06-01), Campbell
patent: 3789718 (1974-02-01), Bunger
patent: 3795755 (1974-03-01), Uchiyama
patent: 3974729 (1976-08-01), Koike
CBS Inc.
Olson Spencer E.
Weldon Ulysses
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