Directional Coupler, antenna device, and transmitting-receiving device
US6737934B2 · kind B2 · utility
36Cited by
8References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 24, 2002 |
| Grant date | May 18, 2004 |
| Priority date | — |
| Expiry date | Jul 24, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01P5/18
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A first transmission line and a second transmission line are caused to be partially opposite to each other, and by use of the opposite portions of the first transmission line and the second transmission line, the first transmission line and the second transmission line are relatively shifted in parallel from their opposite state to their non-opposite state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.