Optical pickup for a musical instrument

Details Optical pickup for a musical instrument Optical pickup for a musical instrument

G - Physics

10

H

G10H 3/18 (2006.01)

Patent

CA 2682878

This invention relates to an optical pickup for a musical instrument based on one or more than one Bragg grating. In one embodiment the optical pickup includes at least one Bragg grating in physical contact with a vibrating structure of the musical instrument so as to receive acoustic vibration associated with the musical instrument being played, such that a spectrum of the Bragg grating is modulated upon receipt of the acoustic vibration. A light signal reflected from the at least one Bragg grating may be amplified and the output may be directed to a loud speaker or other real-time output device. The output may also be directed to a data acquisition system for storage and further processing. The optical pickup may include two Bragg gratings arranged as an optical cavity.

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