ATE67878T1 - DETECTOR ARRANGEMENT IN AN ALERT SYSTEM. - Google Patents

DETECTOR ARRANGEMENT IN AN ALERT SYSTEM.

Info

Publication number
ATE67878T1
ATE67878T1 AT85113784T AT85113784T ATE67878T1 AT E67878 T1 ATE67878 T1 AT E67878T1 AT 85113784 T AT85113784 T AT 85113784T AT 85113784 T AT85113784 T AT 85113784T AT E67878 T1 ATE67878 T1 AT E67878T1
Authority
AT
Austria
Prior art keywords
sensor
circuit
signalling
alert system
detector arrangement
Prior art date
Application number
AT85113784T
Other languages
German (de)
Inventor
Peer Dr-Ing Thilo
Original Assignee
Siemens Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of ATE67878T1 publication Critical patent/ATE67878T1/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B26/00—Alarm systems in which substations are interrogated in succession by a central station
    • G08B26/005—Alarm systems in which substations are interrogated in succession by a central station with substations connected in series, e.g. cascade

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire Alarms (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Emergency Alarm Devices (AREA)
  • Alarm Systems (AREA)

Abstract

The signalling circuit is divided into a sensor circuit (SES) comprising a sensor (S) and into a socket circuit (FS) for connecting the signalling device to the signalling line (ML) and transmitting the alarm signals. Both circuits are connected via only two contacts (K1 and K2) which are wetted with the idle voltage (UR). A capacitor (C) connected in parallel with the sensor (S) is charged up during the idle time (RZ) and supplies the sensor (S) with power during the measuring time (MZ). <IMAGE>
AT85113784T 1984-10-31 1985-10-29 DETECTOR ARRANGEMENT IN AN ALERT SYSTEM. ATE67878T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3439895 1984-10-31
EP85113784A EP0180907B1 (en) 1984-10-31 1985-10-29 Signalling arrangement in a risk-signalling system

Publications (1)

Publication Number Publication Date
ATE67878T1 true ATE67878T1 (en) 1991-10-15

Family

ID=6249209

Family Applications (1)

Application Number Title Priority Date Filing Date
AT85113784T ATE67878T1 (en) 1984-10-31 1985-10-29 DETECTOR ARRANGEMENT IN AN ALERT SYSTEM.

Country Status (3)

Country Link
EP (1) EP0180907B1 (en)
AT (1) ATE67878T1 (en)
DE (1) DE3584228D1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1046761B (en) * 1955-09-02 1958-12-18 Ernst Fey Dipl Ing Method and arrangement for reducing the transition resistance of contacts in measuring arrangements
DE1254241B (en) * 1965-02-08 1967-11-16 Licentia Gmbh Device to ensure a consistently good contact with an arrangement for measuring point switching
US4361833A (en) * 1980-03-25 1982-11-30 Monitran International, Inc. Multi-sensor alarm system and method of protecting a premises
DE3225106C2 (en) * 1982-07-05 1985-04-11 Siemens AG, 1000 Berlin und 8000 München Process and device for the automatic query of the detector measured value and the detector recognition in a hazard alarm system

Also Published As

Publication number Publication date
EP0180907B1 (en) 1991-09-25
EP0180907A2 (en) 1986-05-14
DE3584228D1 (en) 1991-10-31
EP0180907A3 (en) 1988-07-20

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