Patent · US Expired

Emergency call system

US5630209A · kind A · utility

102Cited by
8References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 3, 1994
Grant dateMay 13, 1997
Priority date
Expiry dateJun 3, 2014

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04W76/50
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

An emergency call system includes a wireless telecommunication network having predetermined radio channels, at least one wireless emergency call transmission device for reading emergency data and transmitting the data in an emergency call message on at least one of the radio channels, and at least one emergency call receiver device. The at least one emergency call receiver device receives and evaluates the emergency call message, and triggers at least one alarm function and/or further conducts the emergency data to an alarm center connected to the wireless telecommunication network. The system may also be embodied in a wire-bound network.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.