GPS enabled emergency messaging system
US7184744B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 10, 2002 |
| Grant date | Feb 27, 2007 |
| Priority date | — |
| Expiry date | Jan 27, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S19/02
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A GPS enabled Emergency Messaging System (GEMS) includes: Emergency Response Centers (ERC's) for defining emergency broadcast messages directed to specified geographic areas; a GPS Control Segment (CS) facility that receives messages generated by the ERC's and coordinates uplink and downlink communications with orbiting GPS satellites; a GPS Space Segment (SS) that includes the multiple orbiting GPS satellites and that receives emergency messages from the CS facility and broadcasts transmissions containing both GPS navigational information and an emergency broadcast message; and GEMS-enabled user equipment that is capable of receiving and processing broadcast emergency messages. The system permits emergency messaging data to be superimposed on the existing GPS signal structure and delivered to users with GPS receivers capable of receiving the superimposed messaging data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.