There is provided an arrangement of inductive couplers. The arrangement includes a first inductive coupler on a conductor, and a second inductive coupler on the conductor. The first inductive coupler has a first winding for a data signal, and the second inductive coupler has a second winding for the...http://www.google.de/patents/US20050077868?utm_source=gb-gplus-sharePatent US20050077868 - Arrangement of daisy chained inductive couplers for data communication