JPS5633551U - - Google Patents

Info

Publication number
JPS5633551U
JPS5633551U JP1979115157U JP11515779U JPS5633551U JP S5633551 U JPS5633551 U JP S5633551U JP 1979115157 U JP1979115157 U JP 1979115157U JP 11515779 U JP11515779 U JP 11515779U JP S5633551 U JPS5633551 U JP S5633551U
Authority
JP
Japan
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.)
Pending
Application number
JP1979115157U
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 filed Critical
Priority to JP1979115157U priority Critical patent/JPS5633551U/ja
Priority to DE3031285A priority patent/DE3031285C2/de
Publication of JPS5633551U publication Critical patent/JPS5633551U/ja
Pending 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
    • G08B17/10—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
    • 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
    • G08B17/113—Constructional details

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
JP1979115157U 1979-08-23 1979-08-23 Pending JPS5633551U (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1979115157U JPS5633551U (ja) 1979-08-23 1979-08-23
DE3031285A DE3031285C2 (de) 1979-08-23 1980-08-19 Rauchdetektor.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1979115157U JPS5633551U (ja) 1979-08-23 1979-08-23

Publications (1)

Publication Number Publication Date
JPS5633551U true JPS5633551U (ja) 1981-04-02

Family

ID=14655732

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1979115157U Pending JPS5633551U (ja) 1979-08-23 1979-08-23

Country Status (2)

Country Link
JP (1) JPS5633551U (ja)
DE (1) DE3031285C2 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE450176B (sv) * 1981-05-19 1987-06-09 Cerberus Ag Optisk branddetektor med forlengd stralveg innefattande en ljuskella med tva ljusalstrande enheter med olika vaglengd, vilka aktiveras omvexlande med varandra
US5060508A (en) * 1990-04-02 1991-10-29 Gaztech Corporation Gas sample chamber

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH457203A (de) * 1966-02-11 1968-05-31 Jomos Feuerloesch Technik Photoelektrischer Rauchmelder
CH561942A5 (ja) * 1974-03-08 1975-05-15 Cerberus Ag
JPS5628530Y2 (ja) * 1977-06-10 1981-07-07

Also Published As

Publication number Publication date
DE3031285C2 (de) 1985-05-09
DE3031285A1 (de) 1981-03-12

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