Patent · US Expired

Alarm and emergency call system

US6032036A · kind A · utility

261Cited by
9References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 18, 1997
Grant dateFeb 29, 2000
Priority date
Expiry dateJun 18, 2017

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04M11/022
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

The alarm and emergency call system having a plurality of local units installed at the users and connected by a telephone line to a central unit having the same design. Each local unit is in radio connection with alarm transmitters and has a control member with an electronic circuit contained in a case, a keypad, and a display unit. Following an alarm signal sent by one of the transmitters, the local unit in question calls different telephone destinations and/or pagers according to a determined cycle. The different function parameters of each local unit are stored in its control member. These function parameters can be entered, adapted or modified remotely from the central unit according to a remote management procedure.

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