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:
May. 18, 2004
Filed:
Dec. 26, 2001
Yung Chang Cheng, Tu-Chen, TW;
Hsin Kuo Dai, Tu-Chen, TW;
Hon Hai Precision Ind. Co. Ltd., Taipei Hsien, TW;
Abstract
A dual band microstrip antenna ( ) made by a method of the present invention includes a dielectric substrate ( ), a ground plane layer ( ) attached to a bottom surface ( ) of the substrate, a first and second conductive patches ( ) separately elevated above and parallel to a top surface ( ) of the substrate, a first and second conductive posts ( ) electrically connecting the first and second conductive patches respectively with the ground plane layer and a first and second coaxial feeder cables ( ). A method for making the dual band microstrip antenna includes adjusting the height of the first and second conductive posts to achieve a good performance of the dual band microstrip antenna.