Dual band antenna for wireless communication
US6844853B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 29, 2003 |
| Grant date | Jan 18, 2005 |
| Priority date | — |
| Expiry date | Jul 29, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q9/42
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A dual band antenna (1) for a wireless communication device includes an insulative substrate (10), a feeder (40) and a conductive element (20) disposed on the substrate includes a ground portion (30), a first radiating portion (21), a second radiating portion (22), a first connecting portion (23) connecting the first radiating portion with the ground portion on and a second connecting portion (25) connecting the first radiating portion and the second radiating portion. The second radiating portion symmetrically forms a pair of arms (221, 222). The feeder includes an inner core (41) connecting to the second connecting portion and an outer shield (42) connecting to the ground portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.