JPS5734557B2 - - Google Patents

Info

Publication number
JPS5734557B2
JPS5734557B2 JP1496376A JP1496376A JPS5734557B2 JP S5734557 B2 JPS5734557 B2 JP S5734557B2 JP 1496376 A JP1496376 A JP 1496376A JP 1496376 A JP1496376 A JP 1496376A JP S5734557 B2 JPS5734557 B2 JP S5734557B2
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.)
Expired
Application number
JP1496376A
Other languages
Japanese (ja)
Other versions
JPS5299099A (en
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 JP1496376A priority Critical patent/JPS5299099A/ja
Priority to DE19772703233 priority patent/DE2703233C2/de
Priority to GB654077A priority patent/GB1541200A/en
Publication of JPS5299099A publication Critical patent/JPS5299099A/ja
Publication of JPS5734557B2 publication Critical patent/JPS5734557B2/ja
Granted 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
    • G08B17/06—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
    • 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-Detection Mechanisms (AREA)
JP1496376A 1976-02-16 1976-02-16 Fire detector Granted JPS5299099A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1496376A JPS5299099A (en) 1976-02-16 1976-02-16 Fire detector
DE19772703233 DE2703233C2 (de) 1976-02-16 1977-01-27 Brandmelder
GB654077A GB1541200A (en) 1976-02-16 1977-02-16 Fire sensing devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1496376A JPS5299099A (en) 1976-02-16 1976-02-16 Fire detector

Publications (2)

Publication Number Publication Date
JPS5299099A JPS5299099A (en) 1977-08-19
JPS5734557B2 true JPS5734557B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1982-07-23

Family

ID=11875621

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1496376A Granted JPS5299099A (en) 1976-02-16 1976-02-16 Fire detector

Country Status (3)

Country Link
JP (1) JPS5299099A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2703233C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1541200A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA786519B (en) * 1978-11-20 1980-02-27 Anglo Amer Corp South Africa Detector
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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1014675A (en) * 1973-03-19 1977-07-26 Frank W. Emerson Emergency alarm system

Also Published As

Publication number Publication date
DE2703233C2 (de) 1984-04-19
GB1541200A (en) 1979-02-21
DE2703233A1 (de) 1977-08-18
JPS5299099A (en) 1977-08-19

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