Finger-Pressed Auxiliary Device for Stringed Instruments
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Solution Overview
Problem
Beginners playing stringed instruments often experience finger tip pain due to the need to depress strings with significant force, as ideal finger placement positions for chords are ergonomically challenging, and existing auxiliary devices only provide relief for localized regions and specific notes.
Innovation Solution
A finger-pressed auxiliary device with a series of plates that extend along the neck of the instrument, supported at both ends, featuring transverse ribs on the bottom surface to press strings against the fingerboard, allowing precise force transfer without direct finger contact, and optionally incorporating light-emitting units for improved learning efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If finger placement position is closer to fret for ideal tone production, then force required to press string is reduced, but ergonomic finger arrangement becomes impossible for chord positions
Solution Approach 1:
The patent introduces a finger-pressed auxiliary device as an intermediary between the player's finger and the string. This device includes a support body with multiple pressing elements that can press the strings at optimal positions closer to the frets, while the player's fingers only need to press the support body itself, thereby resolving the contradiction between force reduction and ergonomic finger placement
Solution Approach 2:
The auxiliary device segments the pressing function into multiple independent pressing elements (first pressing element, second pressing element, etc.), each capable of pressing different strings at different positions. This segmentation allows each element to be optimally positioned for force efficiency while maintaining overall ergonomic operability
2Object-affected harmful factors
If existing auxiliary devices are used for localized chord regions, then pain relief is provided for specific notes, but relief is not available for various finger placement positions needed for skill play
Solution Approach 1:
The auxiliary device is designed with multiple pressing elements (at least three fingers' worth) that can accommodate various finger placement positions across different chords and playing techniques. The support body serves as a universal interface that adapts to different playing scenarios, providing pain relief not just for specific chord positions but for a wide range of finger placements including skill play positions
Data Source
AI summary
A finger-pressed auxiliary device for a stringed instrument is provided. The stringed instrument comprises a body, a neck connected to the body, a fingerboard disposed on the neck, a plurality of frets disposed on the fingerboard at spaced intervals, and a plurality of strings extending along the length direction of the neck. The finger-pressed auxiliary device comprises: a plurality of finger-pressed plates extending along the length direction of the strings and each being disposed to correspond to a respective string; an upper support secured to the top of the neck; and a lower support secured to the bottom of the neck or the body. As the fingers only have to contact the surfaces of the finger-pressed plates, the pain associated with holding strings with fingertips is avoided.