EP 0491216 B1 19961009 - Hazard detection system
Title (en)
Hazard detection system
Title (de)
Gefahrenmeldeanlage
Title (fr)
Système détecteur de dangers
Publication
Application
Priority
DE 4040524 A 19901218
Abstract (en)
[origin: EP0491216A2] Hazard detection system with a central unit and at least one primary detection line connected to it, on which a multiplicity of detectors are disposed; these detectors are polled cyclically by the central unit and have at least one sensor which detects any hazard, a transmission device which can be automatically de-activated and re-activated by means of a control signal, an address memory provided with an address during the initialisation of the system and a switch which interrupts or through-connects the line and the transmission device of a respective detector may be in one of the following operating modes: it is constantly activated and thus ready to receive control signals and to transmit signals in every polling cycle, it is activated in the i-th polling cycle only, it is activated in the event of an alarm only, on the basis of a control signal from the sensor, it is activated on the basis of a control signal from the central unit.
IPC 1-7
IPC 8 full level
G08B 26/00 (2006.01)
CPC (source: EP)
G08B 26/001 (2013.01)
Designated contracting state (EPC)
AT BE CH DE ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0491216 A2 19920624; EP 0491216 A3 19921209; EP 0491216 B1 19961009; AT E144063 T1 19961015; DE 59108262 D1 19961114; ES 2092537 T3 19961201; GR 3022040 T3 19970331
DOCDB simple family (application)
EP 91120694 A 19911202; AT 91120694 T 19911202; DE 59108262 T 19911202; ES 91120694 T 19911202; GR 960403467 T 19961213