Variable Coil Winding Pickup for String Instruments
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Solution Overview
Problem
Conventional pickups for string instruments have limited ability to vary tonal qualities, as they primarily rely on a small number of adjustable parameters, restricting the enhancement of sound output.
Innovation Solution
A pickup design featuring a coil wound non-uniformly around pole pieces, with varying numbers of windings on different subsets of pole pieces, allowing for enhanced tonal alteration by creating disparities in winding distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional pickups use uniform coil windings around all pole pieces, then the manufacturing process is simple, but the tonal quality variation is limited
Solution Approach 1:
The patent applies local quality by creating different winding configurations around different pole pieces. Specifically, the coil is wound around a first subset of pole pieces with a first number of windings and around a second subset of pole pieces with a second number of windings, where the winding numbers differ. This local differentiation in winding density across the pickup structure enables varied tonal characteristics from different regions of the pickup, resolving the contradiction between manufacturing simplicity and tonal versatility.
Solution Approach 2:
The patent segments the coil winding into distinct sections corresponding to different subsets of pole pieces. The first subsection of the coil is wound around the first subset of pole pieces, while the second subsection is wound around the second subset of pole pieces. This segmentation allows independent control of winding parameters for different pole piece groups, enabling tonal quality variation without requiring complete redesign of the entire pickup structure.
2Adaptability or versatility
If coil windings are varied across different pole pieces, then tonal quality enhancement is achieved, but the manufacturing precision requirements increase
Solution Approach 1:
The patent implements local quality by specifying that the coil includes a first subsection wound around a first subset of pole pieces and a second subsection wound around a second subset of pole pieces, with different winding counts for each subset. This localized approach to varying winding density allows tonal quality enhancement through controlled differences in specific regions, rather than requiring precise control across the entire coil structure, thus managing manufacturing precision requirements.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This design results in qualitative differences in sound waves, with varying amplitude at different frequency registers, providing a richer and distinct sound compared to conventional pickups.
Implementation Method 1
The one or more magnetic pole pieces create a magnetic field that is disturbed by the motion of the vibrating strings, changing the magnetic flux and inducing an electric current through the coil.
Data Source
AI summary
A pickup with variable coil windings for string instruments is described herein. In one aspect, the pickup including a coil including a first subsection wound around a first subset of pole pieces of a plurality of pole pieces; and a second subsection wound around a set of pole pieces of the plurality of pole pieces, the set of pole pieces selected from the group of: the plurality of pole pieces in its entirety and a second subset of pole pieces different than the first subset of pole pieces.