System and method for line-of-sight optical broadcasting using beam divergence and an orbiting or airborne corner cube reflector
US9948395B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 12, 2016 |
| Grant date | Apr 17, 2018 |
| Priority date | — |
| Expiry date | Sep 12, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B10/1129
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A system comprises a tracking electromagnetic beam generator, a retro-reflecting device, a signal generator, a communication electromagnetic beam generator and a receiver. The tracking electromagnetic beam generator transmits a tracking electromagnetic beam. The retro-reflecting device reflects the tracking electromagnetic beam toward the tracking electromagnetic beam generator. The signal generator generates a communication signal. The communication electromagnetic beam generator transmits a communication electromagnetic beam, based on the communication signal, to the retro-reflecting device. The receiver receives a portion of the communication electromagnetic beam as reflected from the retro-reflecting device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.