Antenna

Details Antenna Antenna

2007-07-17

2007-07-17

Chen, Shih-Chao (Department: 2821)

Communications: radio wave antennas

Antennas

Wave guide type

C343S830000

Reexamination Certificate

active

11354708

ABSTRACT:
An antenna supplied with power by a coaxial line including an inner conductor, an outer conductor, and a dielectric provided between the inner conductor and the outer conductor is disclosed. The antenna includes an antenna part including a first conductor and a second conductor, the second conductor including a conical shape having an apex thereof opposing the first conductor; and a transition area having an effective dielectric constant different from the dielectric constant of the dielectric in the coaxial line, the transition area being provided in the end part of the coaxial line connected to the antenna.

REFERENCES:
patent: 6284971 (2001-09-01), Atalar et al.
patent: 6972726 (2005-12-01), Sato et al.
patent: 7006047 (2006-02-01), Marsan et al.
patent: 7027004 (2006-04-01), Haunberger et al.
patent: 9-83238 (1997-03-01), None
patent: 9-153727 (1997-06-01), None

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