Patent ID: 8223076

Claim:
A dual-band printed monopole antenna, printed on the first face of a substrate in a rectangular structure, wherein said rectangular structure's peripheral consisting of a first edge, a second edge, a third edge and a fourth edge, said antenna comprising: a first radiating unit, being of a strip structure and disposed at the inner side of the peripheral, and said strip structure extending to the third edge from the first edge and along the second edge, and said strip structure from said third edge further bending toward the direction of the first edge; a second radiating unit, being of the strip structure and disposed at the inner side of the peripheral, and said strip structure extending to the third edge from the first edge and along the fourth edge; a matching unit, being disposed between the first radiating unit and the second radiating unit, for enabling the first radiating unit and the second radiating unit electronically connected; a first matching unit, being disposed at the first radiating unit, and taken shaped at the exterior side of the peripheral of said rectangular structure; a second matching unit, being disposed at the first radiating unit, and taken shaped at the inner side of the peripheral of said rectangular structure; a signal feed-in terminal, electronically connected with said second radiating unit; and a feed-in signal grounding terminal, comprising a first feed-in signal grounding terminal, a second grounding terminal, and a third grounding terminal, wherein said first feed-in signal grounding terminal and said second grounding terminal are taken shaped at the first face of the substrate and make the signal feed-in terminal being disposed between said first feed-in signal grounding terminal and the second grounding terminal, and said third grounding terminal is taken shaped at a second face of the substrate.