Electronic musical instrument with touch response function

Details Electronic musical instrument with touch response function Electronic musical instrument with touch response function

1985-05-17

1986-07-15

Perkey, William B.

Music

Instruments

84 117, G10H 146

Patent

active

045999309

ABSTRACT:
First and second voltages of different levels are supplied to first and second key switches, which are consecutively turned on with the depression of a performance key on a keyboard. The output terminals of the first and second key switches are commonly connected to a common connection node, which is in turn commonly connected to input terminals of first and second buffers having different input threshold levels. A tone signal with a touch response is obtained through a response data generating circuit according to the outputs of the buffer circuits.

REFERENCES:
patent: 4067253 (1978-01-01), Wheelwright et al.
patent: 4201106 (1980-05-01), Kimura et al.
patent: 4211141 (1980-07-01), Jensen et al.
patent: 4362934 (1982-12-01), McLey
patent: 4364296 (1982-12-01), Franz et al.
patent: 4416178 (1983-11-01), Ishida
patent: 4506581 (1985-03-01), Sunada
patent: 4552051 (1985-11-01), Takeuchi

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