Pickup apparatus, having a winding with an adjacent closed circu

Details Pickup apparatus, having a winding with an adjacent closed circu Pickup apparatus, having a winding with an adjacent closed circu

1993-01-12

1994-12-27

Witkowski, Stanley J.

Music

Instruments

Electrical musical tone generation

G10H 318

Patent

active

053767543

ABSTRACT:
A pickup apparatus for a stringed musical instrument includes an electromagnetic string vibration sensor, preferably including at least one winding, and a feature associated therewith, preferably a conductive closed circuit around the winding, to suppress resonant peaks and thereby equalize the harmonic reproduction. The apparatus preferably includes two such windings and circuits connected in a hum-canceling manner. A second hum-canceling pair of windings having a lower inductance to reproduce clean highs without phase cancellation can be added along with a resistive-capacitive network so that the combination can reproduce a wide variety of different sounds, all at a consistent high output level.

REFERENCES:
patent: Re20070 (1936-08-01), Lesti
patent: 2119584 (1938-06-01), Knoblauch
patent: 2262335 (1941-11-01), Russell
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patent: 3711619 (1973-01-01), Jones et al.
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patent: 4151776 (1979-05-01), Stich
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patent: 4364295 (1982-12-01), Stich
patent: 4442749 (1984-04-01), DiMarzio et al.
patent: 4501185 (1985-02-01), Blucher
patent: 4809578 (1989-03-01), Lace, Jr.
The Guitar Handbook, Ralph Denyer with Isaac Guillory and Alastair M. Crawford, pp. 52-53, 186-189 and 194 (1982).
"Pickups The 10 Most Frequently Asked Questions Answered by Bill Lawrence", Guitar Player magazine, Dec. 1975.

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