| 摘要 |
The present invention is to provide to a planar multiple band omni radiation pattern antenna having first and second patch lines printed on a planar dielectric substrate material, wherein a plurality of radiation members are formed bifurcately, symmetrically along both sides of a longitudinal axis of either patch line. Each of the radiation members comprises at least two post-shaped conductors each having a length slightly less than one-quarter wavelength of a central frequency of each operating frequency so as to form a choke and the radiation members of multi-frequency, and enable the operating frequencies not to be harmonically related.
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