Semicircular radial antenna
US6930647B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 17, 2002 |
| Grant date | Aug 16, 2005 |
| Priority date | — |
| Expiry date | May 17, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q19/138
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
At least one of the following requirements is satisfied. A position of a curvature center of an arcuate portion in at least one of waveguide plates is selected between a connecting member and a feeder, in accordance with a desired horizontal beam radiation characteristic. A curvature radius of the arcuate portion in at least one of the waveguide plates is selected in accordance with a desired vertical beam radiation characteristic. A slanted angle of a peripheral face of the arcuate portion, which connects a top face and a bottom face of each waveguide plate, in at least one of the waveguide plates is selected in accordance with a desired vertical beam radiation characteristic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.