| 释义 |
vario-coupler Electr. ? Obs.|ˈvɛərɪəʊkʌplə(r)|
Also variocoupler.
[f. vari- + -o + coupler.]
A device, consisting of two unconnected coils, one inside the other, whose relative position can be altered to vary the mutual inductance between two circuits.
1922–3T. Eaton & Co. Catal. Fall & Winter 401/4 Variocouplers, built up on black fibre cylinder, with taps, fitted with lugs. 1925P. J. Risdon Crystal Receivers & Circuits ii. 21 A vario-coupler..is a sort of combination of a variometer and an ordinary tapped tuning inductance. 1937Discovery Feb. 54/2 (in figure) Vario-coupler. |