Advanced magnetic circuit to improve both the solenoidal and magnetic functions of string instrument pickups with co-linear coil assemblies
First Claim
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1. A magnetic pickup for stringed musical instruments having ferromagnetic strings, the pickup comprising:
- a pair of axially spaced coils to have their axis extended perpendicular to the length of the strings;
a plurality of ferromagnetic poles extending through the first and second coils;
first and second coils are separated by first and second ferromagnetic moderator bars adjacent to each side of the ferromagnetic poles; and
high coercive permanent magnets are affixed to the sides of the first and second ferromagnetic bars opposite the plurality of ferromagnetic poles.
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Abstract
An electromagnetic pickup for a stringed musical instrument incorporating a magnetic structure placed between two elongated collinear coils of opposing polarity. The magnetic structure includes a number of ferromagnetic polepieces that extend through the collinear coils and two ferromagnetic moderator bars adjacent to and on opposite sides of the polepieces (within the area between the two coils) that are charged with one polarity by high coercive rare earth high coercive permanent magnets attached to the outer surface of the moderator bars.
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Citations
8 Claims
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1. A magnetic pickup for stringed musical instruments having ferromagnetic strings, the pickup comprising:
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a pair of axially spaced coils to have their axis extended perpendicular to the length of the strings;
a plurality of ferromagnetic poles extending through the first and second coils;
first and second coils are separated by first and second ferromagnetic moderator bars adjacent to each side of the ferromagnetic poles; and
high coercive permanent magnets are affixed to the sides of the first and second ferromagnetic bars opposite the plurality of ferromagnetic poles. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification