Smart Guitar Cable With Adjustable Capacitance and Balanced Output
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Solution Overview
Problem
Corded electrical guitars face challenges in maintaining consistent sound quality due to varying capacitance in guitar cords, which affects tone and harmonics, and RF interference, especially with shorter cords that prioritize comfort over sound quality, and different musicians have unique preferences for optimal sound settings.
Innovation Solution
A smart guitar cable system that allows users to configure and save capacitance settings for optimal sound quality, using a 4-conductor cable with a locking connector and internal electronics to adjust capacitance and resistance, and convert unbalanced signals to balanced for reduced interference, enabling users to select desired tone and store settings for recall.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a shorter guitar cord is used to improve performer mobility and comfort, then ease of operation is improved, but sound quality consistency deteriorates due to insufficient capacitance
Solution Approach 1:
The patent applies parameter changes by incorporating adjustable capacitance components (capacitors) into the guitar cord that allow the electrical parameters of the cord to be modified. This enables the cord to provide sufficient capacitance for sound quality even at shorter lengths, resolving the contradiction between mobility and sound consistency by changing the electrical parameter rather than the physical length.
Solution Approach 2:
The patent implements dynamics by making the capacitance value adjustable and changeable during operation. The cord can be reconfigured to have different capacitance values depending on the specific guitar and performance requirements, allowing optimal sound quality to be achieved with shorter cord lengths while maintaining the ability to adapt to different situations.
2Reliability
If a longer guitar cord is used to maintain sound quality through sufficient capacitance, then sound quality consistency is improved, but ease of operation deteriorates due to increased entanglement and mobility restrictions
Solution Approach 1:
The patent resolves this contradiction by changing the electrical parameter (capacitance) rather than the physical parameter (length). The adjustable capacitors allow a shorter cord to provide the necessary capacitance for sound quality, eliminating the need to use longer cords solely for electrical reasons.
3Reliability
If different guitar cords are used to achieve preferred sound qualities, then sound quality is improved, but device complexity increases due to the need to manage multiple cords
Solution Approach 1:
The patent applies universality by designing a single guitar cord with adjustable parameters that can adapt to work with different guitars and achieve various sound quality preferences. Instead of needing multiple specialized cords, one universal cord with adjustable capacitance can serve multiple functions and accommodate different musical requirements.
Solution Approach 2:
The patent implements dynamics by making the cord's electrical characteristics changeable, allowing a single cord to dynamically adapt to different guitars and desired sound qualities, replacing the need for a static collection of specialized cords.
4Device complexity
If unbalanced signal connection is used in guitar cords, then device complexity is reduced, but RF interference increases affecting sound quality
Solution Approach 1:
The patent applies the intermediary principle by introducing a balanced connection system as an intermediate solution between the guitar and the audio equipment. The balanced connection acts as a mediator that maintains signal integrity and reduces RF interference while not significantly increasing complexity, as it uses standard balanced audio technology.
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
The smart guitar cable system ensures consistent sound quality across different guitars and wiring configurations, reduces RF interference, and allows users to customize and save settings for future use, enhancing performance and comfort by optimizing capacitance and resistance for desired tone.
Implementation Method 1
the internal capacitance of the cord can have a significant effect on the sound quality or tone of the guitar output
Implementation Method 2
convert unbalanced signals to balanced for reduced interference
Data Source
AI summary
Methods and devices are provided whereby deficiencies in the impedance of a cable connecting an electric guitar and a wireless transmitter or other audio device may be electronically corrected, according to user preferences. User settings may be saved and recalled as needed from a program interface that serially communicates with electronics controlling the behavior of the cable.