Patents-Review.com
ClassID:

196467 ⎘

G10H1/0553 - CPC Classification

Classification description:

Details of electrophonic musical instruments; Means for controlling the tone frequencies, e.g. attack, decay; Means for producing special musical effects, e.g. vibrato, glissando by additional modulation during execution only by switches with variable impedance elements using optical or light-responsive means

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Optical transducer having optical fiber plug transparent to curing light and non-transparent to sensing light