DE2519267A1 - Brandmelder - Google Patents

Brandmelder

Info

Publication number
DE2519267A1
DE2519267A1 DE19752519267 DE2519267A DE2519267A1 DE 2519267 A1 DE2519267 A1 DE 2519267A1 DE 19752519267 DE19752519267 DE 19752519267 DE 2519267 A DE2519267 A DE 2519267A DE 2519267 A1 DE2519267 A1 DE 2519267A1
Authority
DE
Germany
Prior art keywords
fire
sensors
sensor
alarm
fire detector
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.)
Withdrawn
Application number
DE19752519267
Other languages
German (de)
English (en)
Inventor
Hideo Ito
Masanori Kawamura
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.)
Nohmi Bosai Ltd
Original Assignee
Nohmi Bosai Kogyo Co Ltd
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
Priority claimed from JP1973130045U external-priority patent/JPS5725351Y2/ja
Priority claimed from JP1974061692U external-priority patent/JPS5756304Y2/ja
Priority claimed from JP1974101738U external-priority patent/JPS583189Y2/ja
Application filed by Nohmi Bosai Kogyo Co Ltd filed Critical Nohmi Bosai Kogyo Co Ltd
Publication of DE2519267A1 publication Critical patent/DE2519267A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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 SYSTEMS, e.g. PERSONAL 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
    • G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
    • G08B17/107—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device for detecting light-scattering due to smoke
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
    • G08B17/117—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means by using a detection device for specific gases, e.g. combustion products, produced by the fire

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Fire Alarms (AREA)
DE19752519267 1973-11-09 1975-04-30 Brandmelder Withdrawn DE2519267A1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP1973130045U JPS5725351Y2 (enExample) 1973-11-09 1973-11-09
JP1974061692U JPS5756304Y2 (enExample) 1974-05-29 1974-05-29
JP1974101738U JPS583189Y2 (ja) 1974-08-25 1974-08-25 カサイカンチキ

Publications (1)

Publication Number Publication Date
DE2519267A1 true DE2519267A1 (de) 1976-03-04

Family

ID=27297600

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752519267 Withdrawn DE2519267A1 (de) 1973-11-09 1975-04-30 Brandmelder

Country Status (4)

Country Link
CH (1) CH579309A5 (enExample)
DE (1) DE2519267A1 (enExample)
FR (1) FR2283491A2 (enExample)
GB (1) GB1502376A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2702933C2 (de) * 1977-01-25 1985-08-29 Preussag Ag Feuerschutz, 2060 Bad Oldesloe Brandmelder
DE102014019773A1 (de) 2014-12-17 2016-06-23 Elmos Semiconductor Aktiengesellschaft Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mittels des Displays eines Mobiltelefons
DE102014019172A1 (de) 2014-12-17 2016-06-23 Elmos Semiconductor Aktiengesellschaft Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mit einem kompensierenden optischen Messsystem

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH617279A5 (enExample) * 1977-06-24 1980-05-14 Cerberus Ag
EP0039761A3 (de) * 1980-05-09 1981-11-25 Cerberus Ag Verfahren zur Brandmeldung und Brandmeldeanlage
IT1198606B (it) * 1983-05-17 1988-12-21 Controfugas Srl Apparecchio rivelatore di gas infiammabile ad intervento precondizionato
EP2281286A1 (de) * 2008-05-06 2011-02-09 Siemens Aktiengesellschaft Gefahrmelder

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2702933C2 (de) * 1977-01-25 1985-08-29 Preussag Ag Feuerschutz, 2060 Bad Oldesloe Brandmelder
DE102014019773A1 (de) 2014-12-17 2016-06-23 Elmos Semiconductor Aktiengesellschaft Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mittels des Displays eines Mobiltelefons
DE102014019172A1 (de) 2014-12-17 2016-06-23 Elmos Semiconductor Aktiengesellschaft Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mit einem kompensierenden optischen Messsystem

Also Published As

Publication number Publication date
FR2283491A2 (fr) 1976-03-26
CH579309A5 (enExample) 1976-08-31
GB1502376A (en) 1978-03-01

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Legal Events

Date Code Title Description
8141 Disposal/no request for examination