Magnetic pickup for musical instruments
OwnerFrank Mirigliano, Richard Struzziinventors
Life of this patent
Estimating the term…
Abstract
A magnetic pickup for musical instruments, more particularly, for stringed instruments such as an electric guitar. A plurality of individual pickups are housed in a plastic cover. Each pickup comprises a pole piece made of a ferromagnetic material which pole piece is substantially surrounded by a coil. Each coil is disposed inside a polarized permanent magnet cup and the pole pieces are arranged in a humbucking configuration. One end of each pole piece is physically connected to an alloy bar or strip wherein the bar is separated into two pieces by an air gap. The alloy bar at the top of the assembly is preferably exposed to the strings of the instrument via a slot in the top of the plastic cover.
Claims21
A magnetic pickup for use with electrically amplified stringed musical instruments, said magnetic pickup having at least one pickup coil, said at least one pickup coil comprising:
- a bobbin;
- said bobbin comprising a magnetic pole piece and a winding of wire wound thereabout, said bobbin having an exterior surface;
- a cylinder comprising a magnetic material;
- said bobbin being disposed in said cylinder with the magnetic material of said cylinder disposed adjacent the exterior surface of said bobbin;
- and
- at least one of said cylinder and said pole piece comprising a permanent magnetic material.
A magnetic pickup for use with electrically amplified stringed musical instruments, said magnetic pickup comprising:
- at least one pickup coil;
- said at least one pickup coil comprising a pole piece and a winding of wire wound about said pole piece, said pole piece having a longitudinal axis;
- said pole piece comprising a magnetic material;
- said bar made from ferromagnetic material;
- a portion of said pole piece of at least one of said at least one pickup coil being adjacent to said bar;
- said bar being disposed in a direction transverse to said longitudinal axis of said magnetic pole piece;
- said bar comprising a transverse slit dividing said bar into at least two portions and forming an gap between said at least two portions;
- and
- said slit being cut at a diagonal relative to a longitudinal direction of said bar.
A magnetic pickup for use with electrically amplified stringed musical instruments, said magnetic pickup having at least one pickup coil, said at least one pickup coil comprising:
- a pole piece and a winding of wire wound thereabout;
- an outer portion comprising a cylinder of a permanent magnet material, said cylindrical outer portion surrounding said pole piece and said winding;
- said pole piece comprising a ferromagnetic material having a high magnetic saturation flux density;
- and
- said pole piece having a cross sectional dimension substantially smaller than a cross sectional dimension of said outer portion.
A magnetic pickup for use with electrically amplified stringed musical instruments, said magnetic pickup comprising:
- at least one pickup coil;
- said at least one pickup coil comprising a winding of wire;
- at least one of said at least one pickup coil having a longitudinal axis about which said winding of wire is wound;
- said at least one pickup coil having an exterior surface thereabout, the exterior surface being substantially parallel to said longitudinal axis;
- said winding of wire for having magnetic flux lines passing therethrough;
- and `the magnetic flux lines for being generally perpendicular to the exterior surface at substantially all sides of the exterior surface.
Dependencies are inferred from the claim text.