Patent ID: 7573424
Filing Date: 2009-08-11
Classification: H01Q

Abstract:
1. A dual-band antenna for radiating electromagnetic signals of different frequencies, comprising: a ground portion; a feeding part adjacent to the ground portion, for feeding signals; a body electrically connected to the feeding part, the body being substantially shaped as a polygon with a gap, the body comprising: a first radiating part comprising a first free end, a first connecting end electrically connected to the feeding part, and a bent portion disposed between the first free end and the first connecting end, the bent portion having a selective one of an angular concertinaed configuration and a curved concertinaed configuration; and a second radiating part, comprising a second connecting end electrically connected to the first connecting end, and a second free end; wherein the gap is sandwiched between the first free end and the second free end, and at least one of the first and second free ends comprising a protrusion formed at a side thereof to point toward the bent portion.