Two-frequency antenna, multiple-frequency antenna, two- or multiple-frequency antenna array
US6529170B1 · kind B1 · utility
38Cited by
1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 27, 2001 |
| Grant date | Mar 4, 2003 |
| Priority date | — |
| Expiry date | Aug 27, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q19/005
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A two-frequency antenna includes feeders 7a and 7b, inner radiation elements 2a and 2b connected to the feeders, outer radiation elements 3a and 3b, and inductors 4a and 4b that are formed in gaps 6a and 6b between the inner radiation elements and the outer radiation elements to connect the two radiation elements, which are printed on the first surface and on the second surface of the dielectric board 1, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.