摘要 |
<p>PCT No. PCT/GB91/00459 Sec. 371 Date Nov. 19, 1992 Sec. 102(e) Date Nov. 19, 1992 PCT Filed Mar. 27, 1991 PCT Pub. No. WO91/15022 PCT Pub. Date Oct. 3, 1991.A cable coupling trandformer having a metal or ferrite member defining separate high permeability portions of a pair of flux paths, a winding electromagnetically associated with each high permeability portion, and a common low permeability portion of each flux path which passes between a pair of conductors carrying equal currents in antiphase. A portion of the current induced in either the conductors or the windings are impressed on the other to create a simple communications device.</p> |