Switching device for apparatuses for receiving and/or transmitting electromagnetic waves
US6847332B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 3, 2002 |
| Grant date | Jan 25, 2005 |
| Priority date | — |
| Expiry date | Sep 3, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q13/085
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a device for receiving and/or transmitting signals comprising an assembly of n means for receiving and/or transmitting waves with longitudinal radiation of the printed slot-antenna type, where n is an integer greater than or equal to one, and an excitation means of the microstrip-line type coupled to at least one slot line. The present invention is characterized in that it comprises a switching device which acts by controlling the coupling between the microstrip line and at least one slot line.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.