DE2621209C2 - - Google Patents

Info

Publication number
DE2621209C2
DE2621209C2 DE19762621209 DE2621209A DE2621209C2 DE 2621209 C2 DE2621209 C2 DE 2621209C2 DE 19762621209 DE19762621209 DE 19762621209 DE 2621209 A DE2621209 A DE 2621209A DE 2621209 C2 DE2621209 C2 DE 2621209C2
Authority
DE
Germany
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
DE19762621209
Other languages
German (de)
Other versions
DE2621209B1 (de
Inventor
Klaus Dipl.-Ing. 2061 Schiphorst Schierau
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.)
Preussag AG Feuerschutz
Original Assignee
Preussag AG Feuerschutz
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 Preussag AG Feuerschutz filed Critical Preussag AG Feuerschutz
Priority to DE19762621209 priority Critical patent/DE2621209B1/de
Publication of DE2621209B1 publication Critical patent/DE2621209B1/de
Application granted granted Critical
Publication of DE2621209C2 publication Critical patent/DE2621209C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/04—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using a single signalling line, e.g. in a closed loop
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fire Alarms (AREA)
DE19762621209 1976-05-13 1976-05-13 Meldeeinrichtung,insbesondere zur Brandmeldung Granted DE2621209B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19762621209 DE2621209B1 (de) 1976-05-13 1976-05-13 Meldeeinrichtung,insbesondere zur Brandmeldung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762621209 DE2621209B1 (de) 1976-05-13 1976-05-13 Meldeeinrichtung,insbesondere zur Brandmeldung

Publications (2)

Publication Number Publication Date
DE2621209B1 DE2621209B1 (de) 1977-07-28
DE2621209C2 true DE2621209C2 (en:Method) 1978-03-09

Family

ID=5977853

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762621209 Granted DE2621209B1 (de) 1976-05-13 1976-05-13 Meldeeinrichtung,insbesondere zur Brandmeldung

Country Status (1)

Country Link
DE (1) DE2621209B1 (en:Method)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2962120D1 (en) * 1978-04-17 1982-03-25 Chubb Electronics Ltd Electrical alarm circuits and systems
AU8478082A (en) * 1981-06-23 1983-01-06 Chloride Group Public Limited Company Fire alarms
NO885320L (no) * 1987-11-30 1989-05-31 Hochiki Co Brann-alarm system.
EP3035311B1 (en) 2014-12-19 2019-10-09 Novar GmbH Bus master device for a hazard alarming system and a hazard alarming system using the same

Also Published As

Publication number Publication date
DE2621209B1 (de) 1977-07-28

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee