Dual-band antenna and related wireless communication apparatus
US8669914B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 28, 2011 |
| Grant date | Mar 11, 2014 |
| Priority date | — |
| Expiry date | May 18, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q21/28
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.