Automatic play device having controllable tempo settings

Details Automatic play device having controllable tempo settings Automatic play device having controllable tempo settings

1991-03-29

1993-06-15

Shoop, Jr., William M.

Music

Instruments

Electrical musical tone generation

84652, 84668, G10H 700

Patent

active

052201201

ABSTRACT:
An automatic play device generates a tempo signal at a frequency corresponding to a tempo setting value. When a tempo setting value is changed, the device changes the frequency of the tempo signal gradually from one frequency corresponding to the tempo setting value prior to the change to another frequency corresponding to a target tempo setting value posterior to the change, so that a smooth tempo change can be realized. It is also possible to automatically adjust the tempo in correspondence to a time interval between on-events of a tap switch, in which case the automatic play is controlled so as to stop when on-state of the tap switch continues for more than a predetermined time.

REFERENCES:
patent: 4033220 (1977-07-01), Shibahara
patent: 4361066 (1982-11-01), Jones
patent: 4432266 (1984-02-01), Nakada
patent: 4655113 (1987-04-01), Bunger et al.
patent: 4694724 (1987-09-01), Kikumoto et al.
patent: 5164529 (1992-11-01), Saito

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