英语词汇“optophone”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	optophone
释义	optophone optophone (ˈɒptəˌfəʊn) n (Electrical Engineering) a device for blind people that converts printed words into sounds optophone a device combining a selenium cell and telephone apparatus that converts light energy into sound energy, used to enable blind people to sense light through the hearing and thus read printed matter.See also: Blindness optophone optophone [′äp·tə‚fōn] (engineering acoustics) A device with a photoelectric cell to convert ordinary printed letters into a series of sounds; used by the blind.
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