Electric stringed instrument having an arrangement for adjusting

Details Electric stringed instrument having an arrangement for adjusting Electric stringed instrument having an arrangement for adjusting

1993-01-12

1995-01-03

Witkowski, Stanley J.

Music

Instruments

Electrical musical tone generation

84728, 84735, 84738, 84DIG10, G10H 1057, G10H 318

Patent

active

053788508

ABSTRACT:
An electric stringed instrument comprises an electromagnetic pickup having a permanent magnet and a string signal detecting coil wound around the permanent magnet and magnetically combined with the permanent magnet, an electromagnetic force producing unit having a driving coil to produce a magnetic force and being placed in the neighborhood of the electromagnetic pickup, and an adjusting unit provided with a part of a current flowing in the driving coil of the electromagnetic force producing unit and disposed at a place magnetically combined with the string signal detecting coil of the electromagnetic pickup. One induced electromotive force caused by magnetic flux from the adjusting unit and another induced electromotive force caused by magnetic flux from the electromagnetic force producing unit negate each other in the string signal detecting coil.

REFERENCES:
patent: 2894491 (1959-07-01), Hecht
patent: 4941388 (1990-07-01), Hoover et al.

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