Dielectric antenna, antenna-mounted substrate, and mobile...

Details Dielectric antenna, antenna-mounted substrate, and mobile... Dielectric antenna, antenna-mounted substrate, and mobile...

2006-05-16

2006-05-16

Chen, Shih-Chao (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S702000, C343S846000

Reexamination Certificate

active

07046197

ABSTRACT:
On an antenna forming face (9) in a rectangular shape which a dielectric base (7A) has, a linear element (11A) is provided adjacently only peripheries (9a, 9b, 9c, and9d) of the antenna forming face (9). From the linear element (11A), a linear conductor (25) for matching impedance branches. Since the linear element is adjacent to only the peripheries (9a, 9b, 9c, and9d) of the antenna forming face (9), portions of the linear element (11A) do not become adjacent to each other. Accordingly, mutual interference which easily occurs when the portions of the linear element (11A) are adjacent to each other does not occur, so that decrease of radiation efficiency of the dielectric antenna (1A) and hindrance to widening a band thereof can be eliminated as much as possible.

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