An RFID tag in one embodiment. The RFID tag includes at least one integrated circuit and an antenna pattern coupled to the integrated circuit, wherein the antenna pattern has an inductor pattern which limits the effect of misplacement of the integrated circuit relative to the inductor pattern. Other...http://www.google.fr/patents/US7324061?utm_source=gb-gplus-shareBrevet US7324061 - Double inductor loop tag antenna
