Dual-band dipole antenna

Details Dual-band dipole antenna Dual-band dipole antenna

2007-11-07

2009-06-16

Le, Don P (Department: 2819)

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

C343S7000MS

Reexamination Certificate

active

07548214

ABSTRACT:
A dual-band dipole antenna includes two radiating arms and a short-circuited element. The two radiating arms and the short-circuited element are formed monolithically. Each radiating arm has a feed-in end and a radiating end. Each radiating arm has a slot that divides the radiating arm into a first radiating portion and a second radiating portion. The resonant frequencies of the first radiating portion and the second radiating portion are different to radiate/receive wireless signals in two frequencies respectively. The short-circuited element is connected to the feed-in end of each radiating arm, so as to electrically connect the two radiating arms. The short-circuited element also makes an included angle formed between the two radiating arms, so as to obtain the effect of dipole gains of the radio waves transferred or received by the two radiating arms.

REFERENCES:
patent: 6600450 (2003-07-01), Efanov et al.
patent: 6621464 (2003-09-01), Fang et al.
patent: 6961028 (2005-11-01), Joy et al.
patent: 7145517 (2006-12-01), Cheng
patent: 7151500 (2006-12-01), Su et al.
patent: 7183993 (2007-02-01), Dai et al.
patent: 7230578 (2007-06-01), Ke et al.

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