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:
Dec. 29, 2009
Filed:
Dec. 21, 2007
Applicant:
The-nan Chang, Taipei, TW;
Inventor:
The-Nan Chang, Taipei, TW;
Assignees:
Tatung Company, Taipei, TW;
Tatung University, Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 1/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
A dual band antenna covering both DTV and ISM bands is provided in the present invention. The antenna includes a signal line, a coupling block, a ground part and at least a floating metal strip, wherein the signal line and the coupling block are etched on upside of a substrate and connected with each other with an inset feeding structure, and the ground part and the floating metal strip are etched on backside of the substrate.