an apparatus for producing electric currents by induction, consisting of two separated coils of wire generally surrounding a soft-iron core, the…
| 单词 | θ198023 |
| 释义 | society > communication > telecommunication > telegraphy or telephony > telephony > telephone equipment > [noun] > telephone > parts of telephone (24) induction coil1837 an apparatus for producing electric currents by induction, consisting of two separated coils of wire generally surrounding a soft-iron core, the… ferrotype1857 In full ferrotype plate. A thin iron plate used in this process. telephone receiver1875 (in early use) the earpiece of a telephone, in which electrical signals are converted into sound; (in later use chiefly) a complete telephone… mouthpiece1877 Something placed in, against, or near the mouth. The part of a telephone, intercom device, etc. (usually concealing or incorporating a simple… receiver1877 The part of a telephone apparatus contained in the earpiece, in which electric currents transmitted along the wire are converted to sound; = telephon… microphone1878 Originally: a telephone transmitter capable of amplifying faint sounds. Now: any instrument designed to convert sound waves into corresponding… telephone trumpet1879 the earpiece or mouthpiece of an early type of telephone, so called because of its shape. magneto bell1882 an electric bell employing an electromagnet whose armature is permanently magnetized. magneto call bella1884 = magneto bell n. rest1883 A support or hook for a telephone receiver when not in use, incorporating a switch that is automatically closed when the receiver is lifted so as to… hook1885 A hook upon which (in early models) the telephone receiver rested. receptor1898 The receiver of a telephone; = receiver, n.1 6c. rare. telephone dial1898 a disc with numbered finger holes on a telephone, rotated a particular distance for each digit of the number being called; = dial, n.1 6b. ringer1899 A device which rings or produces a ringing sound, esp. on a telephone. dial1900 A disc on a telephone with numbered finger holes, which is rotated a set distance for each digit of the number being called. In later use also: a… Button A (or B)1922 (in some types of public telephone) a push-button on the coin box labelled with the letter ‘A’ (or ‘B’) which is depressed to complete the… switch hook1922 the hook or support in a telephone set which operates the circuit switch when the receiver is placed upon or removed from it. phone bell1924 hybrid coil1925 a type of transformer used in two-wire telephone circuits when amplification in both directions is required, having four pairs of terminals so… cradle1929 Any framework of bars, cords, rods, etc. united by lateral ties; a grating, or hurdle-like structure. The ‘rest’ or support for a telephone receiver… dial wheel1938 A dial on a telephone. hybrid transformer1941 = hybrid coil n. scriber1968 A very thin circular sheet of copper designed to be placed under the rotary dial of a telephone, on which marks are recorded corresponding to the… fascia1973 Chiefly British. The front face or control panel of a piece of electronic equipment; (also) a removable front face or housing for a mobile phone… |
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