Asymmetric-element reflect array antenna
US6642889B1 · kind B1 · utility
92Cited by
24References
27Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 3, 2002 |
| Grant date | Nov 4, 2003 |
| Priority date | — |
| Expiry date | May 3, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q21/065
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A reflect array antenna comprises a non-electrically conductive substrate with an array of antenna elements supported on the substrate. Each antenna element comprises a plurality of patch radiating elements arranged in rows and columns. Each patch radiating element comprises a plurality of notches formed in the element, the notches being angularly displaced around the circumference of the element. A plurality of stub short transmission lines are individually positioned in each of the plurality of notches and a plurality of switches individually couple one end of a notch to one of the plurality of stub short transmission lines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.