COMBINED STRUCTURE OF PIEZOELECTRIC RECEIVER AND ULTRASONIC GENERATOR
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Nov 16, 2015
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Mar 31, 2015
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Abstract
The present invention discloses a combined structure of a piezoelectric receiver and an ultrasonic generator comprises a piezoelectric plate, an ultrasonic signal generator, an audio signal input circuit and a switching circuit, wherein the input end of the switching circuit is connected with the ultrasonic signal generator and the audio signal input circuit, respectively, so as to switch therebetween; and the output end of the switching circuit is connected with the piezoelectric plate. The technical effect of the present invention is that the piezoelectric receiver and the ultrasonic generator are combined, such that functions of the receiver and the ultrasonic generator can be achieved only through one piezoelectric plate, saving the cost and the space.
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