Key board system for an electronic musical instrument

Details Key board system for an electronic musical instrument Key board system for an electronic musical instrument

1984-11-20

1986-05-13

Perky, William B.

Music

Instruments

84 127, 84DIG24, G01H 100, G10C 312

Patent

active

045878773

ABSTRACT:
In a key board system for an electronic musical instrument, input signals for the instrument generated in response to key actuation have an electrical characteristic which varies as a function of the key actuation force. The foregoing results from the deflection of a mass-carrying leaf spring in response to a key stroke, the input signal being generated by a piezoelectric element mounted on the leaf spring and being deformed in response to the deflection thereof.

REFERENCES:
patent: 3580979 (1971-05-01), Amano
patent: 3588310 (1971-06-01), Gschwandtner
patent: 3634593 (1972-01-01), Nagano
patent: 3711617 (1973-01-01), Evans
patent: 4058045 (1977-11-01), Jennings et al.
patent: 4342246 (1982-08-01), Rhodes et al.

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