Antenna with fifty percent overlapped subarrays
US9190739B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 24, 2013 |
| Grant date | Nov 17, 2015 |
| Priority date | — |
| Expiry date | Jun 4, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q21/22
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An antenna suitable for use as a phased array antenna of a radar system. The antenna includes a plurality of radiating elements, and a substrate integrated waveguide (SIW) configured to form a feed network to couple energy from a plurality of inputs to the radiating elements. The feed network includes over-moded waveguide couplers configured so energy propagates through an over-moded section in multiple modes, TE10 and TE20 modes for example. The feed network also defines sub-arrays configured such that half of the radiators of a sub-group are shared with an adjacent sub-group of an adjacent sub-array, i.e. the sub-arrays are configured to have 50% overlap. Preferably, the feed-network is formed about a single layer of substrate material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.