Music – Instruments – Electrical musical tone generation
Patent
1988-02-03
1990-05-08
Grimley, A. T.
Music
Instruments
Electrical musical tone generation
84602, 84622, 84641, 84642, 84DIG2, 364900, G10H 700, G10H 308, G10H 309
Patent
active
049227947
ABSTRACT:
An electronic musical instrument includes a musical tone information storing device, a plurality of external memory devices, a control unit, a switching unit, and a determining unit. The musical tone information storing device stores musical tone information. The control unit controls information transfer between at least one of the external memory devices and the musical tone information storing device. The switching unit generates a transfer command. The determining unit determines whether an external memory device of the highest priority in accordance with a predetermined priority is in a transfer enable state. The control unit controls information transfer between the external memory device of the highest priority which is selected by the determining unit and the musical tone information storing device.
REFERENCES:
patent: 3449724 (1969-06-01), Boland et al.
patent: 4147083 (1979-04-01), Woron et al.
patent: 4215619 (1980-08-01), Budelman et al.
patent: 4287568 (1981-09-01), Lester
patent: 4572048 (1986-02-01), Frauz et al.
patent: 4614983 (1986-09-01), Usami
patent: 4615024 (1986-09-01), Usui
patent: 4624171 (1986-11-01), Yuzawa et al.
Grimley A. T.
Smith Matthew S.
Yamaha Corporation
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