Patent ID: 7663552
Filing Date: 2010-02-16
Classification: H01Q

Abstract:
1. A printed antenna, disposed on a substrate, comprising: a feeding portion, for feeding electromagnetic signals; an antenna body, electronically connected to the feeding portion, for transmitting and receiving electromagnetic signals, the antenna body comprising a first radiation portion, a pair of second radiation portions, and a pair of third radiation portions, each second radiation portion respectively connecting one of the third radiation portions to the first radiation portion, and two free ends of the pair of third radiation portions facing each other, the first radiation portion, the pair of second radiation portions, and the pair of third radiation portions co-forming a “D” shape, with an indentation in a straight side of the “D” shape which extends into a middle of the “D” shape; a first grounded portion, disposed on one side of the feeding portion; a second grounded portion, disposed on the other side of the feeding portion; and a matching portion, disposed on one side of the feeding portion, and located adjacent to the first grounded portion.