Patent ID: 8106839
Filing Date: 2012-01-31
Classification: H01Q

Abstract:
1. A multi-band antenna adapted for being mounted to a support of a portable electronic device, comprising: a strip-shaped first radiating portion disposed levelly to lie on a top of the support of the portable electronic device, an end of a long side of the first radiating portion extended downwardly to form a first grounding portion; a strip-shaped second radiating portion, the second radiating portion disposed in alignment with and spaced from the first radiating portion with a predetermined distance, a long side of the second radiating portion extended downwards to form a feeding portion at an end thereof away from the first radiating portion, the feeding portion located at the same side as the first grounding portion with respect to the first and second radiating portion; and a strip-shaped third radiating portion stretched levelly and oppositely from an end of the second radiating portion adjacent to the feeding portion, the third radiating portion being longer than the second radiating portion and having a long side extended downwardly to form a fixing portion adjacent to a free end thereof, the fixing portion located at the same side as the feeding portion with respect to the second and third radiating portion.