Foot Pedal Motor Coupling for Effects Pedal Potentiometer Control
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Solution Overview
Problem
Many analog effects pedals in music are manually adjustable, making it difficult for musicians to modify sound effects during performances without using their hands, which is a limitation especially for hobbyists who cannot afford custom modifications.
Innovation Solution
A multi-expression control system using a widely recognized pivot-action foot pedal to control the knobs of effects pedals, comprising an expression pedal, a controller, a motor, and a coupling mechanism that adjusts the potentiometer positions automatically, allowing hands-free control of sound effects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If musicians use manual knobs to adjust effects pedals during performances, then they can modify sound effects, but their hands are occupied and cannot play their instrument simultaneously
Solution Approach 1:
The patent introduces a foot pedal as an intermediary device that allows musicians to control effects parameters without using their hands. The foot pedal acts as a mediator between the musician's foot and the effects pedal's potentiometer, enabling sound modification while hands remain on the instrument.
Solution Approach 2:
The patent replaces the manual mechanical knob-adjusting system with an automated motor-driven system. A small motor is coupled to the potentiometer shaft, allowing electrical control of the mechanical adjustment mechanism, thus enabling hands-free operation.
2Ease of operation
If musicians hire technicians to customize effects pedals for hands-free control, then they can achieve hands-free adjustment, but it becomes expensive and time-consuming
Solution Approach 1:
The patent enables musicians to perform the customization themselves using a standardized kit. The system includes pre-fabricated components (motor, coupling mechanism, power supply) that can be easily installed by the user without requiring professional technician intervention, thus reducing cost and time.
Solution Approach 2:
The patent creates a universal solution that can be applied to multiple different effects pedals. The standardized motor and coupling design works with various pedal types, making the customization process reusable and transferable across different devices, eliminating the need for separate customizations for each pedal.
3Reliability
If analog effects pedals use manual potentiometers, then they provide warm analog sound quality, but they lack digital control interfaces for automated adjustment
Solution Approach 1:
The patent merges the advantages of both analog and digital systems by combining the analog potentiometer (for sound quality) with a digital motor control system (for automated adjustment). The motor drives the analog potentiometer shaft, allowing digital control signals to manipulate analog components, thus achieving both warm sound and modern control versatility.
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
Enables musicians to adjust sound effects seamlessly during performances without manual intervention, providing professional-grade customization at a lower cost and accessibility, suitable for both hobbyists and professionals.
Implementation Method 1
a motor electrically connects to the controller for receiving the outputted electrical current
Data Source
AI summary
The present invention is multi-expression control system designed to control the individual sound from one or more compact analog sound modulator systems, often called “pedals, effects or stomp boxes,” or collectively herein “effects pedals,” for guitars, basses and keyboards. It couples features that are proprietary with off-the shelf products resulting in a system that spans the distance between a third party foot pedal and third party effects pedals. The system gives a musician “hands free” control of any third party effects pedal that has manually controlled potentiometers during a live artistic performance.