Chordal Jamming Harmonica for Pulmonary Rehabilitation
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Solution Overview
Problem
Conventional harmonicas are not effective in improving pulmonary function, particularly in older adults, as they require advanced breathing control for playing individual notes, which can be challenging and may lead to reduced compliance in therapy regimens due to the lack of musicality when playing chords.
Innovation Solution
A harmonica configured for 'Chordal Jamming' that rearranges notes to allow easy playability of at least four distinct chords while maintaining the ability to play individual notes, enabling the player to produce chord progressions and rhythms, thus providing a more significant physiological challenge and maintaining musicality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional harmonicas are used to play individual notes, then breathing control is required, but pulmonary function improvement is limited due to lack of sufficient lung exertion
Solution Approach 1:
The patent rearranges the tuning parameters of reeds within hole groups to enable chord production. Specifically, reeds are tuned so that blowing or drawing across a group of holes simultaneously produces multiple notes that form chords (e.g., major, minor, seventh chords). This parameter change transforms the instrument's output from single notes to chords while maintaining the same physical blowing/drawing action, thereby increasing lung exertion without compromising ease of operation
Solution Approach 2:
The harmonica is designed to serve multiple functions: it can play individual notes for melody, produce chords for harmony, and enable chordal jamming for pulmonary rehabilitation. The same holes and reeds that produce individual notes when played separately are configured to produce chords when played together as a group, providing multi-functionality without adding separate mechanisms
2Adaptability or versatility
If chord harmonicas are used to play chords, then multiple chords can be played, but the instrument becomes very large and expensive
Solution Approach 1:
The patent divides the 10 holes into groups (e.g., holes 1-4 form one chord, holes 5-8 form another chord) and configures reeds within each group to produce specific chord notes. This segmentation allows chords to be played using subsets of holes rather than requiring all holes to be played simultaneously, reducing the effective playing area needed while maintaining chord versatility
Solution Approach 2:
Instead of adding more holes or reeds in a linear fashion (one-dimensional expansion), the patent reorganizes the existing holes and reeds into functional groups that produce chords. This reconfiguration in the dimensional arrangement of reeds within holes enables chordal functionality without increasing the physical size of the instrument body
3Measurement precision
If conventional harmonicas require advanced breathing control for individual notes, then clear tones can be produced, but compliance in therapy regimens decreases due to lack of musicality
Solution Approach 1:
The chordal jamming technique allows players to produce musically satisfying chord progressions without requiring advanced tongue control or complex breathing techniques. The instrument configuration itself produces the chords when players simply blow or draw across grouped holes, making the therapy self-serviceable and accessible to players of all skill levels while maintaining tone clarity through proper reed tuning
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 harmonica configured for Chordal Jamming strengthens respiratory muscles, improves lung capacity, and enhances pulmonary function by requiring deeper breathing and greater lung exertion, making it suitable for pulmonary rehabilitation while maintaining the fun and musicality of playing, thus improving compliance and overall health benefits.
Implementation Method 1
A player is able to produce sound, including musical tones, by 'blowing' (exhaling) or 'drawing' (inhaling) air into the harmonica to vibrate one or more reeds located within the instrument
Data Source
AI summary
A harmonica is provided comprising a blow reed plate having a plurality of blow reeds, a draw reed plate having a plurality of draw reeds, and a comb having a plurality of air channels therein, wherein each blow reed and each draw reed corresponds to one of a plurality of musical tones, wherein the plurality of air channels are grouped into a first group of air channels and a second group of air channels, wherein blowing air through a first subset of the first group of air channels produces the musical tones of a first musical chord and drawing air from the first subset of the first group of air channels produces the musical tones of a second musical chord, and wherein blowing air through a first subset of the second group of air channels produces the musical tones of a third musical chord and drawing air from the first subset of the second group of air channels produces the musical tones of a fourth musical chord.