Capo-Type String Raising Device for Hawaiian Guitar Conversion
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Solution Overview
Problem
Conventional guitars are not suitable for playing Hawaiian-type music, as the strings are positioned too high above the neck, making it difficult to bring them into contact with the neck using finger pressure, which is necessary for producing the characteristic 'sobbing' sound effect.
Innovation Solution
A capo-type device comprising a U-shaped member with extensions and a flexible member that can be positioned orthogonally across the guitar neck, allowing the strings to be raised and secured at a desired height above the frets, enabling the use of a 'steel' to produce the Hawaiian sound.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the strings are positioned high above the neck on a conventional guitar, then the guitar can play standard notes, but the strings cannot be brought into contact with the neck by finger pressure to produce Hawaiian-type music
Solution Approach 1:
The device uses a movable clamp assembly that can be positioned at different locations along the guitar neck. The clamp includes a movable arm that can be adjusted to apply pressure at various points, allowing the strings to be pressed against the neck at the desired location for Hawaiian-type music while maintaining standard playing capability when adjusted to different positions
Solution Approach 2:
The clamp assembly acts as an intermediary mechanism between the player's finger and the string. By using the clamp to hold the string against the neck, it mediates the contact that would otherwise be difficult to achieve directly through finger pressure alone, enabling the production of Hawaiian-type music on a conventional guitar
2Adaptability or versatility
If a capo-type device is used to raise strings above the frets, then Hawaiian-type music can be played, but the device structure becomes more complex
Solution Approach 1:
The device is designed to perform multiple functions: it can be used to raise strings for Hawaiian-type music, adjust string height for different playing styles, and be positioned at various locations along the neck. This multi-functionality justifies the added complexity by providing versatile capabilities that a simple conventional guitar cannot achieve
Solution Approach 2:
The clamp assembly is divided into separate components including a movable arm, a clamping mechanism, and adjustment elements. This segmentation allows each component to be optimized for its specific function while maintaining overall manageability and enabling easy adjustment for different playing requirements
Data Source
AI summary
A device for converting a conventional Spanish guitar into an instrument which can be played like a Hawaiian guitar and/or used to modify the tone, pitch, key, timber and/or chord of a stringed instrument by selectively engaging the strings of a stringed instrument and selectively raising and/or lowering such strings relative to a fret board.