String Vibration Frequency Altering Shape
- Technology Benefits
- Easy to change the string vibration frequenciesCan be applied in manufacturing strain gagesPurely mechanical way to generate exact string vibration frequency
- Technology Application
- musical acoustics, force sensing through vibration analysis
- Detailed Technology Description
- USF inventors have developed a method to actively change the tension of a string to change its free vibration frequency. This is achieved in a purely mechanical fashion by utilizing a specialized kinetic shape. The kinetic shape is attached to an instrument string. A predefined weight or spring is applied to the shape, which when rotated produces a predicted tension onto the string. The shape can apply different tensions to the string depending on its orientation. When the string is plucked it vibrates at a frequency generating a sound frequency. A prototype device has been constructed to illustrate the concept of the musical kinetic shape. The prototype is controlled by a computer and can be easily programmed to rotate the kinetic shape into a desired position to produce specified and exact notes. By moving the platform and plucking the string, songs can be played using the unique and novel instrument.
- *Abstract
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The University of South Florida has invented a novel method to vary string vibration frequency.
- Country/Region
- USA
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