| 单词 | carbon transmitter |
| 释义 | > as lemmascarbon transmitter carbon transmitter n. now historical = carbon microphone n. ΘΚΠ the world > physical sensation > hearing and noise > audibility > sound magnification or reproduction > [noun] > microphone carbon transmitter1878 microphone1878 carbon microphone1879 pantelephone1881 phonoscope1890 mike1911 condenser microphone1921 magnetophone1922 radio microphone1922 ionophone1924 crystal microphone1925 ribbon microphone1925 radio mike1926 laryngophone1927 velocity microphone1931 ribbon mike1933 pressure microphone1934 bug1936 eight ball1937 ribbon1937 throat microphone1937 throat mike1937 rifle microphone1938 parabolic microphone1939 lip microphone1941 intercept1942 spike mike1950 spy-mike1955 spy-microphone1960 mic1961 rifle mike1961 gun microphone1962 spike microphone1962 shotgun microphone1968 Lavallière1972 wire1973 sneaky1974 multi-mikes1990 1878 Manufacturer & Builder Nov. 245/1 Edison's carbon transmitter. 1944 Sci. Monthly Nov. 333/1 The variable resistance microphone, such as the carbon transmitter, and the electrodynamic and condenser microphones are now joined by the crystal microphone. 1977 Herald-Times-Reporter (Manitowoc-Two Rivers, Wisconsin) 3 June ii. 4/2 Edison..helped Alexander Graham Bell open up the world of telephone communication by introducing the carbon transmitter. < as lemmas |
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