An apparatus designed to convert sound, esp. speech, into electrical signals for the purpose of allowing two people to communicate verbally over a…
| 单词 | θ198021 |
| 释义 | society > communication > telecommunication > telegraphy or telephony > telephony > telephone equipment > [noun] > telephone > types of > other than Bell type (4) telephone1864 An apparatus designed to convert sound, esp. speech, into electrical signals for the purpose of allowing two people to communicate verbally over a… telephonograph1879 Originally: a device consisting of a combination of a telephone and a phonograph, used for making permanent audio records of telephone conversations… telegraphone1889 A device which records sounds received by telephone, so that they may be subsequently replayed or reproduced; spec. †(a) one which records sounds… magneto-phonograph1902 = telegraphone, n. 2(b). |
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