Printed antenna

Details Printed antenna Printed antenna

2007-11-22

2010-02-16

Le, HoangAnh T (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S702000

Reexamination Certificate

active

07663552

ABSTRACT:
A printed antenna (10) disposed on a substrate (90) includes a feeding portion (12), an antenna body (16), a first grounded portion (20), a second grounded portion (30), and a matching portion (14). The feeding portion feeds electromagnetic signals. The antenna body electronically connected to the feeding portion transmits and receives electromagnetic signals, and includes a first radiation portion (162), a pair of second radiation portions (164), and a pair of third radiation portions (166). The first radiation portion, the second radiation portions, and the third radiation portions co-form, a “D” shape with an indentation in a straight side of the “D” shape which extends into a middle of the “D” shape. The first grounded portion and the second grounded portion are respectively disposed on opposite sides of the feeding portion. The matching portion is disposed on one side of the feeding portion, and located adjacent to the first grounded portion.

REFERENCES:
patent: 6052889 (2000-04-01), Yu et al.
patent: 7079077 (2006-07-01), Lee
patent: 2005/0062671 (2005-03-01), Berezin et al.
patent: 1591972 (2005-03-01), None

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