Global emergency and disaster transmission
US9997040B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 8, 2015 |
| Grant date | Jun 12, 2018 |
| Priority date | — |
| Expiry date | Mar 16, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W4/90
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Disclosed is a disaster warning device with a guided surface wave receive structure, an impedance matching network, a power circuit, a data processing circuit, and a warning output. The power circuit and the data processing circuit may be coupled to the guided surface wave receive structure. The power circuit may supply electrical energy to power to the data processing circuit and warning output. The power circuit may receive power from a guided surface wave. The data processing circuitry may receive data communications from a guided surface wave.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.