| 摘要 |
A device for playing a desirable melody and, or rhythm by automatically exciting plurality of tone generator ccts. in fixed sequence, was composed of a tempo signal generator (1) (I) for deermining a playing tempc, a devider(2) (II) for deviding an output signals of I, a reset cct. (3) for resetting I and II, a matrix cct.(4) for getting pulse signals from I and II, a manual play switches (5), a tone generator (6) for generating similar sound signals ti base drum, and amplifier for driving a speaker.
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