Microphone

(noun.) device for converting sound waves into electrical energy.

手打:梅格

• This apparatus was called the microphone, and was in reality but one of the many forms that it is possible to give to the telephone transmitter. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• Professor Hughes spent an afternoon in examining the apparatus, and in about a month came out with his microphone, which was absolutely nothing more nor less than my exact invention. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• Indeed, even the platinum point, which in the early form of the Reis transmitter pressed against the platinum contact cemented to the centre of the diaphragm, was a microphone. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• The utility of the telephone has been greatly increased by the inventions of Hughes and Edison of the _microphone_. 威廉·亨利·杜利特. 世纪发明.
• For example, the Edison granular transmitter was a variety of microphone, as was also Edison's transmitter, in which the solid button of carbon was employed. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.

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