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:
Jun. 01, 2010
Filed:
Sep. 20, 2007
Ching-chi Lin, Taipei Hsien, TW;
Jia-hung Su, Taipei Hsien, TW;
Kai Shih, Taipei Hsien, TW;
Yu-yuan Wu, Taipei Hsien, TW;
Ching-Chi Lin, Taipei Hsien, TW;
Jia-Hung Su, Taipei Hsien, TW;
Kai Shih, Taipei Hsien, TW;
Yu-Yuan Wu, Taipei Hsien, TW;
Cheng Uei Precision Industry Co., Ltd., Taipei Hsien, TW;
Abstract
A dual-band antenna has a first meandering portion, a second meandering portion and a connection portion defining two ends. The first meandering portion and the second meandering portion have different length. One end of the first meandering portion connects one end of the second meandering portion. The other end of the first meandering portion connects one end of the connection portion. The other end of the second meandering portion connects a feeding portion. The other end of the connection portion connects a ground portion. The feeding portion, the second meandering portion, the first meandering portion and the connection portion obtain an electrical resonance corresponding to a first frequency range. The second meandering portion obtains an electrical resonance corresponding to a second frequency range.