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:
Sep. 30, 2014
Filed:
May. 11, 2011
Ya Chung Yu, Chiayi, TW;
Chin Chung Nien, Hsinchu, TW;
Jenn Hwan Tarng, Hsinchu, TW;
Jun Yen Huang, Beigang Township, Yunlin County, TW;
Chen Ming LI, Bade, TW;
LI Yuan Chang, Taipei, TW;
Ya Chung Yu, Chiayi, TW;
Chin Chung Nien, Hsinchu, TW;
Jenn Hwan Tarng, Hsinchu, TW;
Jun Yen Huang, Beigang Township, Yunlin County, TW;
Chen Ming Li, Bade, TW;
Li Yuan Chang, Taipei, TW;
Industrial Technology Research Institute, Chutung, Hsinchu, TW;
Abstract
An antenna structure comprises a substrate, a first antenna unit and a second antenna unit. The substrate comprises a first surface and a second surface opposing the first surface. The first antenna unit is disposed on the first surface, and comprises at least a first slot with a wider inside and narrower outside at the edge of the first antenna unit. The second antenna unit is disposed on the second surface, and is connected to the first antenna unit through a hole in the substrate. The radius of the at least one first slot is one-fourth the wavelength of the central frequency of the antenna structure.