Ultra-wideband dipole antenna

Details Ultra-wideband dipole antenna Ultra-wideband dipole antenna

2006-06-20

2006-06-20

Le, Hoanganh (Department: 2821)

Communications: radio wave antennas

Antennas

Active sleeve surrounds feed line

C343S790000, C343S791000

Reexamination Certificate

active

07064728

ABSTRACT:
Provided is an ultra-wideband dipole antenna. In one embodiment, the antenna comprises a first outer sleeve, an intermediate sleeve surrounded by the first outer sleeve, a second outer sleeve above the first outer sleeve, a conductive interconnection interconnected the outer sleeves, and an inner coaxial conductor surrounded by the intermediate sleeve. A distance between the first outer sleeve and the intermediate sleeve can be changed for adjusting the generated capacitance for obtaining a required impedance matching in the resonance mode of an antenna operating bandwidth and an ultra-wideband characteristic. The antenna is particularly suitable for operating in a frequency range of 2.1 GHz to 11.7 GHz.

REFERENCES:
patent: 5969690 (1999-10-01), Yamabayashi et al.
patent: 6177911 (2001-01-01), Yuda et al.
patent: 6421024 (2002-07-01), Stolle
patent: 6483471 (2002-11-01), Petros
patent: 6809697 (2004-10-01), Churng-Jou et al.

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