Electronic devices having antennas with symmetric feeding
US11088452B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 28, 2018 |
| Grant date | Aug 10, 2021 |
| Priority date | — |
| Expiry date | Feb 10, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q21/065
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An electronic device may be provided with a phased antenna array. Each antenna in the array may include a patch element having first, second, third, and fourth positive antenna feed terminals. The first and second terminals may convey first signals with a first polarization. The third and fourth terminals may convey second signals with a second polarization. Phase shifting components such as phase shifting transmission line segments or phase shifter circuits may ensure that the first signals at the first terminal are out of phase with respect to the first signals at the second terminal and may ensure that the second signals at the third terminal are out of phase with respect to the second signals at the fourth terminal. This may allow antenna current density for both polarizations to be symmetrically distributed about a normal axis of the patch element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.