Low-loss coupler
US7026885B2 · kind B2 · utility
0Cited by
11References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 30, 2003 |
| Grant date | Apr 11, 2006 |
| Priority date | — |
| Expiry date | Oct 12, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01P5/22
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A coupler includes a first set of ports coupled to a first ring, a second set of ports coupled to a second ring, and a plurality of connecting elements coupled between the first and second rings. The coupler provides low loss insertion and high port isolation and may be used as a standalone coupler or as an elementary device for building Butler matrices of varying configurations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.