Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Reexamination Certificate
2007-05-15
2007-05-15
Ho, Tan (Department: 2821)
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
C343S7000MS
Reexamination Certificate
active
11173715
ABSTRACT:
A dipole antenna (1) includes a first radiating trace (21) and a first grounding trace (31) respectively extending in substantially opposite directions, a second radiating trace (22) extending from an end of the first radiating trace in a direction which substantially perpendicular to the first radiating trace, and a second grounding trace (32) extending from an end of the first grounding trace in an opposite direction to the second radiating trace. The total length of the first and second radiating traces are ¼ operating wavelength of the dipole antenna.
REFERENCES:
patent: 5293175 (1994-03-01), Hemmie et al.
patent: 6621464 (2003-09-01), Fang et al.
patent: 6791506 (2004-09-01), Suganthan et al.
patent: 6906678 (2005-06-01), Chen
patent: 6961028 (2005-11-01), Joy et al.
patent: 7042415 (2006-05-01), Cheng
patent: 2003/0231139 (2003-12-01), Tai et al.
patent: 2004/0222936 (2004-11-01), Hung et al.
patent: 2005/0153756 (2005-07-01), Sato et al.
Hung Chen-Ta
Su Wen-Fong
Tai Lung-Sheng
Chung Wei Te
Ho Tan
Hon Hai Precision Ind. Co. Ltd
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