Planar inverted F antenna and method of making the same

Details Planar inverted F antenna and method of making the same Planar inverted F antenna and method of making the same

2008-05-20

2008-05-20

Chen, Shih-Chao (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S725000, C343S830000

Reexamination Certificate

active

07375686

ABSTRACT:
A multi-band antenna (1) used in wireless communications includes a radiating portion (2), a grounding portion (4), and a connecting portion (3). The radiating portion (2) includes a first radiating element (21) operating at 900 MHz frequency band and a second radiating element (22) operating at 1800 MHz frequency band. The connecting portion (3) connects the radiating portion (2) and the grounding portion (4). The grounding portion (4), the radiating portion (2), and the connecting portion (3) locate in the same plane.

REFERENCES:
patent: 6600448 (2003-07-01), Ikegaya
patent: 6844853 (2005-01-01), Tai et al.
patent: 6847329 (2005-01-01), Ikegaya
patent: 6891504 (2005-05-01), Cheng
patent: 6897810 (2005-05-01), Dai et al.
patent: 2004/0178957 (2004-09-01), Chang et al.

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