Directional coupler system
US9570793B2 · kind B2 · utility
51Cited by
9References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 15, 2014 |
| Grant date | Feb 14, 2017 |
| Priority date | — |
| Expiry date | Nov 21, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01P5/185
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A circuit can include a tandem directional coupler comprising a first directional coupler and a second directional coupler connected in tandem. Each of the first and second directional couplers can have a first strip and a second strip. Port 3 of the first directional coupler can be connected to Port 1 of the second directional coupler. Port 4 of the first directional coupler can be connected to Port 2 of the second directional coupler.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.