The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 18, 2014
Filed:
Oct. 12, 2011
Chia-hong Lin, Hsinchu, TW;
I-shan Chen, Hsinchu, TW;
Chang-hsiu Huang, Hsinchu, TW;
Chin-yu Wang, Hsinchu, TW;
Chia-Hong Lin, Hsinchu, TW;
I-Shan Chen, Hsinchu, TW;
Chang-Hsiu Huang, Hsinchu, TW;
Chin-Yu Wang, Hsinchu, TW;
Wistron NeWeb Corporation, Hsinchu Science Park, Hsinchu, TW;
Abstract
A dual-band circularly polarized antenna is disclosed, which includes a ground metal plate, a dielectric substrate, a first microstrip radiation portion and a second microstrip radiation portion. The dielectric substrate is formed on the ground metal plate. The first microstrip radiation portion is formed on the dielectric substrate and has at least one pair of symmetric truncated corners. The second microstrip radiation portion is formed on the dielectric substrate and includes a plurality of radiation units. Each of the plurality of radiation units is extended from the first microstrip radiation portion along a first direction.