Transparent antenna
US9537216B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 17, 2014 |
| Grant date | Jan 3, 2017 |
| Priority date | — |
| Expiry date | Dec 12, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q21/065
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Antenna arrays can be fabricated as patches on conductive transparent material over an appropriate transparent dielectric substrate with the appropriate transparent ground-plane. To keep the fabrication cost low, such antenna arrays have a planar design without cross-over of the feeding lines or 3D interconnects. To steer the antenna horizontally, patches need to be fed with incremental phase shifts relative to their left or right neighbors; such feeds require an appropriate network and RF switches, typically located in an adjacent non-transparent area such as a PCB. Fabricating and disposing transparent phase delay component on the transparent material reduces the size of the PCB, thereby increasing visible transparent area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.