JPS543189U - - Google Patents

Info

Publication number
JPS543189U
JPS543189U JP1977074852U JP7485277U JPS543189U JP S543189 U JPS543189 U JP S543189U JP 1977074852 U JP1977074852 U JP 1977074852U JP 7485277 U JP7485277 U JP 7485277U JP S543189 U JPS543189 U JP S543189U
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.)
Granted
Application number
JP1977074852U
Other languages
Japanese (ja)
Other versions
JPS5628530Y2 (de
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 JP1977074852U priority Critical patent/JPS5628530Y2/ja
Priority to DE2823957A priority patent/DE2823957C2/de
Publication of JPS543189U publication Critical patent/JPS543189U/ja
Application granted granted Critical
Publication of JPS5628530Y2 publication Critical patent/JPS5628530Y2/ja
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
    • G08B17/10—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)
  • Illuminated Signs And Luminous Advertising (AREA)
JP1977074852U 1977-06-10 1977-06-10 Expired JPS5628530Y2 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1977074852U JPS5628530Y2 (de) 1977-06-10 1977-06-10
DE2823957A DE2823957C2 (de) 1977-06-10 1978-06-01 Optischer Rauchmelder nach dem Transmissionsprinzip

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1977074852U JPS5628530Y2 (de) 1977-06-10 1977-06-10

Publications (2)

Publication Number Publication Date
JPS543189U true JPS543189U (de) 1979-01-10
JPS5628530Y2 JPS5628530Y2 (de) 1981-07-07

Family

ID=13559255

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1977074852U Expired JPS5628530Y2 (de) 1977-06-10 1977-06-10

Country Status (2)

Country Link
JP (1) JPS5628530Y2 (de)
DE (1) DE2823957C2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5633551U (de) * 1979-08-23 1981-04-02
FR2588385B1 (fr) * 1985-10-07 1988-03-18 Smh Alcatel Detecteur de passage d'objets plats
DE3730579A1 (de) * 1987-09-11 1989-03-23 Miele & Cie Mikrowellengeraet mit einer sicherheitseinrichtung
FR3030750B1 (fr) * 2014-12-22 2017-01-13 Finsecur Detecteur optique d'une valeur d'une grandeur physique de l'atmosphere representative d'un danger

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49106875A (de) * 1973-01-23 1974-10-09

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1327231A (en) * 1970-01-07 1973-08-15 Nat Res Dev Fire detecting apparatus
CH561942A5 (de) * 1974-03-08 1975-05-15 Cerberus Ag

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49106875A (de) * 1973-01-23 1974-10-09

Also Published As

Publication number Publication date
DE2823957A1 (de) 1979-01-25
DE2823957C2 (de) 1985-06-20
JPS5628530Y2 (de) 1981-07-07

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