Directional coupler, antenna device, and transmitting-receiving device
US6441699B2 · kind B2 · utility
6Cited by
2References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 10, 2001 |
| Grant date | Aug 27, 2002 |
| Priority date | — |
| Expiry date | Aug 10, 2021 |
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.