Patch antenna
US7969381B2 · kind B2 · utility
3Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 26, 2007 |
| Grant date | Jun 28, 2011 |
| Priority date | — |
| Expiry date | Feb 21, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q1/243
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A wireless device has a housing, a patch antenna, and an open/shut sensing unit which senses the open/shut state of the housing and forms an open/shut signal indicating the open/shut state. The patch antenna has a first element which corresponds to a first polarized wave, a second element which corresponds to a second polarized wave and is to be added to the first element, and a switching unit. The switching unit disconnects and connects the second element from and to the first element based on the open/shut signal to make the patch antenna suitable for the first or second polarized wave.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.