Humbucking pick-up assembly including an unmagnetized, disassoci

Details Humbucking pick-up assembly including an unmagnetized, disassoci Humbucking pick-up assembly including an unmagnetized, disassoci

1984-04-09

1986-04-15

Witkowski, Stanley J.

Music

Instruments

84 116, G10H 318

Patent

active

045819742

ABSTRACT:
A pick-up assembly for stringed musical instruments including a pair of pick-up assemblies, only one of which is magnetized. The first and second pick-up assemblies are physically disassociated so that the reactance of the unmagnetized pick-up assembly does not interfere with the magnetized pick-up assembly. The unmagnetized pick-up assembly is lowered further into the body of the instrument than the magnetized pick-up assembly for the same purpose. The outputs of the two pick-up assemblies are summed at the negative input of an operational amplifier which negative input is a virtual ground so that neither coil acts as a load for the other coil.

REFERENCES:
patent: 4151776 (1979-05-01), Stich
patent: 4480520 (1984-11-01), Gold

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