Planar antenna

Details Planar antenna Planar antenna

2008-06-10

2008-06-10

Dinh, Trinh V (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S895000, C343S846000, C343S829000

Reexamination Certificate

active

07385556

ABSTRACT:
A planar antenna (20) includes a radiating body (21), a feeding portion (22), and a first metallic ground plane (24). The radiating body includes a first radiating portion (212) extending away from the feeding portion and a second radiating portion (214) extending away from the feeding portion next to the first radiating portion. The first radiating portion includes an open end (2122) disposed at an extending end of the first radiating portion to point toward the second radiating portion, and a connecting portion (2124). The second radiating portion includes a free end (2144) disposed at an extending end of the second radiating portion to point toward the first radiating portion, and an end (2146) connected to the connecting portion. A first gap (26) is formed between the open end and the free end. The open end, the first gap and the free end are aligned with one another.

REFERENCES:
patent: 5926139 (1999-07-01), Korisch
patent: 6094170 (2000-07-01), Peng
patent: 6930640 (2005-08-01), Chung et al.
patent: 6933902 (2005-08-01), Yeh
patent: 7106259 (2006-09-01), Tseng et al.
patent: 7183981 (2007-02-01), Chao
patent: 7259720 (2007-08-01), Ryu
patent: 1819337 (2006-08-01), None

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