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

switch hook n. Telephony the hook or support in a telephone set which operates the circuit switch when the receiver is placed upon or removed from it.

ΘΚΠ

society > communication > telecommunication > telegraphy or telephony > telephony > telephone equipment > [noun] > telephone > parts of telephone

induction coil1837

ferrotype1857

telephone receiver1875

mouthpiece1877

receiver1877

microphone1878

telephone trumpet1879

magneto bell1882

magneto call bella1884

rest1883

hook1885

receptor1898

telephone dial1898

ringer1899

dial1900

Button A (or B)1922

switch hook1922

phone bell1924

hybrid coil1925

cradle1929

dial wheel1938

hybrid transformer1941

scriber1968

fascia1973

1922 Telegr. & Teleph. Jrnl. 8 82/2 If a subscriber leaves his receiver off the switchhook..the switching equipment is automatically released after a certain interval.

1975 D. G. Fink Electronics Engineers' Handbk. xxii. 4 In the common-battery [telephone] set..a circuit closure, activated by the switch hook, serves to alert the central office.

单词	switch hook
释义	> as lemmas switch hook switch hook n. Telephony the hook or support in a telephone set which operates the circuit switch when the receiver is placed upon or removed from it. ΘΚΠ society > communication > telecommunication > telegraphy or telephony > telephony > telephone equipment > [noun] > telephone > parts of telephone induction coil1837 ferrotype1857 telephone receiver1875 mouthpiece1877 receiver1877 microphone1878 telephone trumpet1879 magneto bell1882 magneto call bella1884 rest1883 hook1885 receptor1898 telephone dial1898 ringer1899 dial1900 Button A (or B)1922 switch hook1922 phone bell1924 hybrid coil1925 cradle1929 dial wheel1938 hybrid transformer1941 scriber1968 fascia1973 1922 Telegr. & Teleph. Jrnl. 8 82/2 If a subscriber leaves his receiver off the switchhook..the switching equipment is automatically released after a certain interval. 1975 D. G. Fink Electronics Engineers' Handbk. xxii. 4 In the common-battery [telephone] set..a circuit closure, activated by the switch hook, serves to alert the central office. extracted from switchn. < as lemmas
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