Rotatable Pointer Plate for Musical Scale Visualization
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Solution Overview
Problem
Traditional methods for teaching music, such as paper-based sheet music and computer programs, fail to effectively improve students' motor skills and provide clear visualization of musical concepts, with computer programs lacking tactile interaction and visual clarity.
Innovation Solution
A mechanical device comprising a scale plate with 12-step scales and a rotatable pointer plate that aligns with musical keys, allowing students to physically interact with and visualize musical concepts, including major and minor scales, without requiring electricity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional paper-based sheet music and textbooks are used, then visual clarity is poor and students find it difficult to grasp musical concepts, but switching to computer programs improves visual clarity and ease of producing sounds, however computer programs fail to improve students' motor skills and lack tactile interaction
Solution Approach 1:
The device divides the circular scale into 12 equal segments representing the 12 notes of a chromatic scale, with each segment clearly marked. This segmentation provides visual clarity for understanding musical intervals while maintaining a simple mechanical structure that students can physically manipulate to improve motor skills.
Solution Approach 2:
The invention transitions from two-dimensional paper-based notation to a three-dimensional mechanical device with rotatable plates and pointers. The vertical dimension is added through the stacking of multiple pointer plates at different heights, allowing students to physically interact with musical concepts in space, thereby improving both visual clarity and motor skills.
2Productivity
If computer programs are used to produce sounds, then it is easy to illustrate mutual similarity among different scales, but the act of producing sound by computer does not teach students to produce the sound themselves and does not improve motoric memory
Solution Approach 1:
The device enables students to self-generate musical insights through physical manipulation. By rotating the pointer plate and aligning pointers with scale markings, students actively discover musical relationships themselves rather than passively receiving information from a computer, thereby improving motoric memory while maintaining ease of use.
Solution Approach 2:
The invention replaces the electronic sound-producing mechanism of computer programs with a mechanical system of rotatable plates and pointers. This mechanical substitution maintains the ease of operation by allowing simple manual manipulation while simultaneously engaging motor skills and improving motoric memory through physical interaction.
3Ease of operation
If computer programs are placed on a music stand or in the natural field of vision, then accessibility is improved, but it is frequently difficult to place a computer physically on a music stand or anywhere else in the natural field of vision of the player
Solution Approach 1:
Instead of placing a large computer on a music stand, the invention inverts the approach by creating a compact device that can be placed on the music stand. The circular scale and pointer plates are designed to fit on standard music stands, providing accessibility in the natural field of vision while avoiding the placement problems associated with computers.
4Adaptability or versatility
If a complex device like Vallery's learning aid is used with multiple concentric discs and folding substrates, then functionality for testing intellectual skills is improved, but the device becomes quite complex and requires extensive usage instructions
Solution Approach 1:
The device achieves versatility through a universal circular scale that can demonstrate all 12 chromatic notes and any interval relationship. The pointer plate can be rotated to align with any note, and the system can illustrate major scales, minor scales, and other musical concepts using the same basic mechanism, eliminating the need for multiple complex components.
Solution Approach 2:
The invention extracts only the essential elements needed for teaching musical concepts: a circular scale with 12 notes and a rotatable pointer plate. By removing unnecessary complex components from devices like Vallery's learning aid, the design achieves functionality with minimal structure, reducing complexity while maintaining adaptability for teaching various musical concepts.
Data Source
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AI summary
Device (100) for presentation of musical concepts. The device comprises a scale plate (102) having a periodical 12-step scale (104) with equally spaced symbols for 12 notes with half-note intervals, wherein symbols of 12 consecutive notes form an octave. The device also comprises at least one pointer plate (152), which comprises a start symbol (156). The pointer plate (152) is configured to revolve with respect to the scale (104) such that the start symbol (156) is settable to align with the symbol (1041 … 10412) of any of the 12 notes of the scale. The pointer plate (152) comprises 7 pointers (1541 … 1547) specific to a given class of keys wherein, when the start symbol (156) points to a base note of a key, the pointers 10 specific to the class of keys point to the symbols of the notes of the key beginning at the base note.