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. 11, 2014
Filed:
Apr. 28, 2011
BO Pan, Irvine, CA (US);
Ching-wei Ling, Tainan County, TW;
Bo Pan, Irvine, CA (US);
Ching-Wei Ling, Tainan County, TW;
Realtek Semiconductor Corp., Hsinchu, TW;
Abstract
A dual-band antenna is disclosed including: a first antenna comprising: a first radiating portion including a plurality of separated radiating strips positioned on a first plane of a circuit board; a second radiating portion including a plurality of separated radiating strips positioned on a second plane of the circuit board; and a plurality of vias for coupling the plurality of radiating strips on the first plane with the plurality of radiating strips on the second plane to form a spiral radiating body; a second antenna having a radiating plane coupled with the first radiating portion or the second radiating portion; a shorting element coupled with the radiating plane and shared by the first and second antennas; and a feeding element coupled with the radiating plane and shared by the first and second antennas; wherein the width of part of the radiating plane gradually increases along a direction.