GB1160760A - Automatic Fire Alarm System - Google Patents

Automatic Fire Alarm System

Info

Publication number
GB1160760A
GB1160760A GB3736666A GB3736666A GB1160760A GB 1160760 A GB1160760 A GB 1160760A GB 3736666 A GB3736666 A GB 3736666A GB 3736666 A GB3736666 A GB 3736666A GB 1160760 A GB1160760 A GB 1160760A
Authority
GB
United Kingdom
Prior art keywords
temperature
pulses
line
central station
relay
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB3736666A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Holger Nielsen & Co As
Original Assignee
Holger Nielsen & Co As
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 Holger Nielsen & Co As filed Critical Holger Nielsen & Co As
Publication of GB1160760A publication Critical patent/GB1160760A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G08B29/06—Monitoring of the line circuits, e.g. signalling of line faults

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Fire Alarms (AREA)
GB3736666A 1965-08-21 1966-08-19 Automatic Fire Alarm System Expired GB1160760A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK429665A DK108484C (da) 1965-08-21 1965-08-21 Elektrisk brandalarmanlæg.

Publications (1)

Publication Number Publication Date
GB1160760A true GB1160760A (en) 1969-08-06

Family

ID=8132179

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3736666A Expired GB1160760A (en) 1965-08-21 1966-08-19 Automatic Fire Alarm System

Country Status (5)

Country Link
DE (1) DE1285921B (enrdf_load_stackoverflow)
DK (1) DK108484C (enrdf_load_stackoverflow)
GB (1) GB1160760A (enrdf_load_stackoverflow)
NO (1) NO121584B (enrdf_load_stackoverflow)
SE (1) SE327353B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008015999B4 (de) * 2008-03-27 2011-04-21 Novar Gmbh Übertragungsweg - Prüfverfahren für eine Gefahrenmeldeanlage

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3122474A1 (de) * 1981-06-05 1982-12-23 Hekatron GmbH, 7811 Sulzburg "schaltungsanordnung zur uebertragung von messwerten, insbesondere in einem brandmeldesystem, zu einer zentrale"
EP0066879A1 (de) * 1981-06-05 1982-12-15 Hekatron GmbH Schaltungsanordnung zur Übertragung von Messwerten, insbesondere in einem Brandmeldesystem zu einer Zentrale

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008015999B4 (de) * 2008-03-27 2011-04-21 Novar Gmbh Übertragungsweg - Prüfverfahren für eine Gefahrenmeldeanlage

Also Published As

Publication number Publication date
NO121584B (enrdf_load_stackoverflow) 1971-03-15
SE327353B (enrdf_load_stackoverflow) 1970-08-17
DE1285921B (de) 1968-12-19
DK108484C (da) 1967-12-18

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees