Antenna system
US6831611B2 · kind B2 · utility
11Cited by
13References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2003 |
| Grant date | Dec 14, 2004 |
| Priority date | — |
| Expiry date | Feb 12, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q7/00
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The invention is an antenna system that transmits and receives image signals audio signal and/or data signals. The antenna system has at least one antenna element and one or more power supply elements. A power supply switching device switches the power supply element or elements to select at least one antenna element and a power supply cable supplies power to the power supply switching device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.