An improved inductor/antenna (100)improves the selectivity of a recognition system (10) by ensuring that only the transponder (14) closest to the inductor/antenna (100) of an interrogator (12) receives therefrom, and reacts to, an interrogation signal (S1). The improved inductor/antenna (100) also receives...http://www.google.fr/patents/US5461386?utm_source=gb-gplus-shareBrevet US5461386 - Inductor/antenna for a recognition system