Electronic stringed instrument

Details Electronic stringed instrument Electronic stringed instrument

1986-10-23

1988-02-09

Witkowski, S. J.

Music

Instruments

367147, 333141, 73597, 84DIG30, G10H 318

Patent

active

047234687

ABSTRACT:
An electronic stringed instrument includes strings, a plurality of metal frets, an ultrasonic transmitter/receiver, and a fret discriminator. The strings are kept taut above an instrument body. The frets are arranged below the strings along their extension direction. When a player depresses a given string to be picked, at least one of the metal frets is brought into contact with the given string. The transmitter/receiver is coupled to specified positions of the strings and causes ultrasonic vibrations of the strings and receives an echo vibration generated as a reflection of the ultrasonic vibration at a fret contacting the given string. The fret discriminator discriminates the fret contacting the string among the metal frets according to the time difference between the generation of the ultrasonic vibration and the receipt of the echo vibration by the transmitter/receiver.

REFERENCES:
patent: 4241430 (1980-12-01), Kayem et al.
patent: 4248120 (1981-02-01), Dickson
patent: 4584676 (1986-04-01), Newman

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