CH579309A5 - - Google Patents

Info

Publication number
CH579309A5
CH579309A5 CH421875A CH421875A CH579309A5 CH 579309 A5 CH579309 A5 CH 579309A5 CH 421875 A CH421875 A CH 421875A CH 421875 A CH421875 A CH 421875A CH 579309 A5 CH579309 A5 CH 579309A5
Authority
CH
Switzerland
Application number
CH421875A
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 CH579309A5 publication Critical patent/CH579309A5/xx

Links

Classifications

    • 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
    • G08B17/06—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
    • 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 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
    • G08B17/117—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)
CH421875A 1973-11-09 1975-04-04 CH579309A5 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP1973130045U JPS5725351Y2 (fr) 1973-11-09 1973-11-09
JP1974061692U JPS5756304Y2 (fr) 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
CH579309A5 true CH579309A5 (fr) 1976-08-31

Family

ID=27297600

Family Applications (1)

Application Number Title Priority Date Filing Date
CH421875A CH579309A5 (fr) 1973-11-09 1975-04-04

Country Status (4)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0039761A2 (fr) * 1980-05-09 1981-11-18 Cerberus Ag Méthode et installation d'avertissement d'incendie
EP0126036A1 (fr) * 1983-05-17 1984-11-21 Controfugas S.R.L. Appareil détecteur de gaz inflammable à intervention prédéterminée

Families Citing this family (5)

* 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
CH617279A5 (fr) * 1977-06-24 1980-05-14 Cerberus Ag
EP2281286A1 (fr) * 2008-05-06 2011-02-09 Siemens Aktiengesellschaft Détecteur de danger
DE102014019172B4 (de) 2014-12-17 2023-12-07 Elmos Semiconductor Se Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mit einem kompensierenden optischen Messsystem
DE102014019773B4 (de) 2014-12-17 2023-12-07 Elmos Semiconductor Se Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mittels des Displays eines Mobiltelefons

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0039761A2 (fr) * 1980-05-09 1981-11-18 Cerberus Ag Méthode et installation d'avertissement d'incendie
EP0039761A3 (fr) * 1980-05-09 1981-11-25 Cerberus Ag Méthode et installation d'avertissement d'incendie
EP0126036A1 (fr) * 1983-05-17 1984-11-21 Controfugas S.R.L. Appareil détecteur de gaz inflammable à intervention prédéterminée

Also Published As

Publication number Publication date
DE2519267A1 (de) 1976-03-04
GB1502376A (en) 1978-03-01
FR2283491A2 (fr) 1976-03-26

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Legal Events

Date Code Title Description
PL Patent ceased