Dielectric antenna and radio device using the same

Details Dielectric antenna and radio device using the same Dielectric antenna and radio device using the same

2007-01-09

2007-01-09

Le, Hoanganh (Department: 2821)

Communications: radio wave antennas

Antennas

Antenna components

C343S785000

Reexamination Certificate

active

10937621

ABSTRACT:
A dielectric antenna of the present invention includes a pillar-shaped dielectric section for radiating an electromagnetic wave being fed thereto. The dielectric section includes a depressed portion in an upper portion thereof. The vertical cross section of the depressed portion has such a shape that the height of the dielectric section gradually increases toward the side surface of the dielectric section. For example, the depressed portion is a notch having a V-shaped vertical cross section. Alternatively, the depressed portion includes a flat surface portion.

REFERENCES:
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patent: 5831581 (1998-11-01), Keough
patent: 5922081 (1999-07-01), Seewig et al.
patent: 6661389 (2003-12-01), Griessbaum et al.
patent: 6891513 (2005-05-01), Kienzle et al.
patent: 6911939 (2005-06-01), Carson et al.
patent: 2004/0119646 (2004-06-01), Ohno et al.
patent: 2000-209022 (2000-07-01), None
patent: 2000-278030 (2000-10-01), None
patent: 2002-185240 (2002-06-01), None

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