单词 | pulse dialling |
释义 | > as lemmaspulse dialling pulse dialling n. Telecommunications telephone dialling in which each digit is transmitted as an equivalent number of electrical pulses; cf. tone dialling n. at tone n. Additions. ΚΠ 1972 Official Gaz. (U.S. Patent Office) 19 Sept. 816/2 Data Dialing Transmitter... A transmitter..controls withdrawal of energy from the telephone lines at a reporting station to intermittently unload the lines for pulse dialing purposes. 1982 D. A. Tugal & O. Tugal Data Transmission iii. 104 With pulse dialing, a typical 10-digit number takes 15 s to dial. 1991 Which? June 303/2 They work only on the newer digital (tone dialling) phone systems, and not on pulse dialling systems, which a large number of phones still use. < as lemmas |
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