Sandwich structure for directional coupler
US8330552B2 · kind B2 · utility
13Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 23, 2010 |
| Grant date | Dec 11, 2012 |
| Priority date | — |
| Expiry date | May 30, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01P5/187
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A sandwich strip coupled coupler implemented in a multi-layer substrate, such as a multi-layer printed circuit board. In one example, the sandwich strip coupled coupler includes a main arm having a first main arm section and a second main arm section disposed above the first main arm section, the first and second main arm sections being electrically connected together, and a coupled arm disposed between the first and second main arm sections, the first main arm section, the coupled arm and the second main arm section forming a sandwich structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.