Patent · US Active

Global emergency and disaster transmission

US9997040B2 · kind B2 · utility

3Cited by
73References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 8, 2015
Grant dateJun 12, 2018
Priority date
Expiry dateMar 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.