Directional coupler
US9964571B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 6, 2013 |
| Grant date | May 8, 2018 |
| Priority date | — |
| Expiry date | May 12, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H7/48
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A directional coupler is configured to provide a forward and/or a backward signal derived from a high-frequency signal. The directional coupler comprises a coupling element coupled to a main line, wherein the main line is configured to transport the high frequency signal. The directional coupler further comprises a signal line connecting the coupling element to a measuring port. The signal line comprises a defected ground structure inserted between the coupling element and the measuring port.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.