Patent ID: 9735822
Date: 2017-08-15
CPC Classifications: H01Q,H04B

Claim:
1. An electronic device comprising: a transceiver to transmit and receive radio frequency (RF) signals; a RF feed coupled to the transceiver; and a dual-band antenna structure coupled to the RF feed, wherein the dual-band antenna structure comprises: wherein the inner loop element is disposed at least partially within an inner area defined by the outer loop element, the inner loop element configured to radiate electromagnetic energy in a first quarter-wave resonant mode in a first band of the dual-band antenna structure when the RF signals are applied to the RF feed, wherein the outer loop element radiates electromagnetic energy in a second quarter-wave resonant mode in a second band of the dual-band antenna structure and radiates electromagnetic energy in a third three-quarters-wave resonant mode in the first band of the dual-band antenna structure when the RF signals are applied to the RF feed.