Electronic keyboard instrument

Details Electronic keyboard instrument Electronic keyboard instrument

1994-01-14

1996-09-17

Spyrou, Cassandra C.

Music

Instruments

Electrical musical tone generation

84646, 84655, 84DIG30, G10H 700, H04J 300

Patent

active

055570577

ABSTRACT:
An electronic musical instrument is designed in a generally guitar-shaped configuration with a fingerboard containing rows of keys replacing each string, one key for each string/fret position. Pressing on a key causes a signal to be provided to a central processing unit which continually scans the fingerboard at a high rate and converts the signals to a plurality of outputs to a synthesizer. Unlike a guitar, a plurality of keys, including a plurality along a single row, may be operated simultaneously to produce a plurality of notes simultaneously. A number of pressure switches and other switches located on the body enable a player to modify the output with vibrato, pitchbend, stereo pan, percussion effects, etc. Additional pressure responsive circuits provide inputs to the central processing unit varying with pressure on the keys. A second embodiment includes a fingerboard with many more rows or columns of keys and more keys per column. In either embodiment the keys may be colored similarly to a piano keyboard or otherwise either embodiment may have a specified or programmable musical interval between adjoining keys on adjacent rows.

REFERENCES:
patent: 4177705 (1979-12-01), Evangelista
patent: 5065659 (1991-11-01), Uchiyama et al.

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