Antenna device having a ground plate and a feeding unit...

Details Antenna device having a ground plate and a feeding unit... Antenna device having a ground plate and a feeding unit...

2006-04-04

2006-04-04

Phan, Tho (Department: 2821)

Communications: radio wave antennas

Antennas

With ground connection spaced from feed line connection

C343S773000, C343S846000

Reexamination Certificate

active

07023397

ABSTRACT:
A disclosed antenna device includes a plate-like ground plate, and a feeding unit that extends from the ground plate for a predetermined length at a predetermined angle. The feeding unit is constituted by a half-body, which is a body, such as a circular cone, halved by a plane perpendicular to the ground plate, and the feeding unit is prepared perpendicular to the ground plate.

REFERENCES:
patent: 4947181 (1990-08-01), Duncan et al.
patent: 6198454 (2001-03-01), Sharp et al.
patent: 2001/0017603 (2001-08-01), Teshirogi et al.
patent: 2004/0233118 (2004-11-01), Jocher
patent: 2005/0122274 (2005-06-01), Marsan et al.
T. Taniguchi et al., “An Omnidirectional and Low-VSWR Antenna for the FCC-Approved UWB Frequency Band”, published by The Institute of Electronics, Information and Communication Engineers, B-1-133, p. 133.

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