Antenna apparatus and method of forming same
US7202836B2 · kind B2 · utility
5Cited by
7References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 6, 2005 |
| Grant date | Apr 10, 2007 |
| Priority date | — |
| Expiry date | May 6, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q21/30
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An antenna provides dual band capability by providing a single feed (102) leading into a helix (104), the helix characterized by a pitch (106) and number of turns (120) varied to provide dual band operation to a portable communication device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.