Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Reexamination Certificate
2006-04-11
2006-04-11
Chen, Shih-Chao (Department: 2821)
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
C343S873000, C343S893000
Reexamination Certificate
active
07027005
ABSTRACT:
A broadband dipole array antenna adopted for use in radio transmission includes a feed network, radiation units and a reflection plate. The antenna is held vertically in a trough of the reflection plate, which reflects the radiation signals of the antenna to enhance antenna directionality. The antenna and the reflection plate are fastened with adhesive tape or a Velcro strip in the trough to facilitate assembly of the antenna.
REFERENCES:
patent: 4758843 (1988-07-01), Agrawal et al.
patent: 5285212 (1994-02-01), McNiece
patent: 6127981 (2000-10-01), Pritchett et al.
patent: 6417816 (2002-07-01), Sadler et al.
patent: 6529171 (2003-03-01), Le Balier et al.
patent: 6906678 (2005-06-01), Chen
Chen Shih-Chao
SmartAnt Telecom Co., Ltd.
Welsh & Katz Ltd.
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