Multi-band antenna

Details Multi-band antenna Multi-band antenna

2006-04-25

2006-04-25

Chen, Shih-Chao (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S702000

Reexamination Certificate

active

07034754

ABSTRACT:
A multi-band antenna (1) used for an electronic device includes a Z-shaped ground portion, a first L-shaped radiating arm (13) positioned above a ground section of the ground portion, a second U-shaped radiating arm (14) extending from the first radiating arm, a connecting portion (12) connecting the two radiating arms with the ground portion. The first and the second radiating arms are coplanar with each other. The ground portion, the connecting portion, the radiating arms and the feeder cable form two inverted-F antennas operating in different frequency bands.

REFERENCES:
patent: 6147652 (2000-11-01), Sekine
patent: 6166694 (2000-12-01), Ying
patent: 6552686 (2003-04-01), Ollikainen et al.
patent: 6593888 (2003-07-01), Fu
patent: 6734825 (2004-05-01), Guo et al.
patent: 6831607 (2004-12-01), Hebron et al.
patent: 6836249 (2004-12-01), Kenoun et al.
patent: 6897810 (2005-05-01), Dai et al.
patent: 2541958 (2003-03-01), None

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