Patent · US Expired

Central monitoring and alarming system

US4988988A · kind A · utility

16Cited by
9References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 3, 1989
Grant dateJan 29, 1991
Priority date
Expiry dateOct 3, 2009

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG08B26/003
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A central monitoring and alarming system for monitoring and alarming an abnormal condition, for example fire and gas leakage, includes a central monitoring station having a memory device and a signal processor, plural terminals returning information detected by sensors included therein and a supporting terminal unit for specifying a proper address assigned to the terminal units respectively so that an operator can reliably know an address without looking at an address setter disposed in a terminal unit.

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