Antenna apparatus

Details Antenna apparatus Antenna apparatus

2006-07-04

2006-07-04

Chen, Shih-Chao (Department: 2821)

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

C343S814000, C343S872000

Reexamination Certificate

active

07071891

ABSTRACT:
First, second, third and fourth dipole antennas (14, 16, 18, 20) are disposed in a casing (1). The first through fourth dipole antennas are arranged in the same plane, and are disposed in line symmetry with respect to first through fourth imaginary lines (A, B, C, D) passing through the center of the casing (1) at an angle of 45 degrees between adjacent imaginary lines.

REFERENCES:
patent: 2702347 (1955-02-01), Spindler
patent: 4122447 (1978-10-01), Kawai et al.
patent: 6201510 (2001-03-01), Lopez et al.
patent: 6498589 (2002-12-01), Horii
patent: 6774863 (2004-08-01), Shirosaka et al.
patent: 6933907 (2005-08-01), Shirosaka et al.
patent: 2004/0252070 (2004-12-01), Bisiules et al.

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