CH642473A5 - Smoke detector - Google Patents

Smoke detector Download PDF

Info

Publication number
CH642473A5
CH642473A5 CH1288378A CH1288378A CH642473A5 CH 642473 A5 CH642473 A5 CH 642473A5 CH 1288378 A CH1288378 A CH 1288378A CH 1288378 A CH1288378 A CH 1288378A CH 642473 A5 CH642473 A5 CH 642473A5
Authority
CH
Switzerland
Prior art keywords
radiation
path
smoke detector
measuring
reflectors
Prior art date
Application number
CH1288378A
Other languages
German (de)
English (en)
Inventor
Theodor Meier
Bruno Zweifel
Original Assignee
Cerberus Ag
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 by Cerberus Ag filed Critical Cerberus Ag
Priority to CH1288378A priority Critical patent/CH642473A5/de
Priority to JP16290079A priority patent/JPS5583839A/ja
Publication of CH642473A5 publication Critical patent/CH642473A5/de
Priority to JP1985010647U priority patent/JPS60150444U/ja

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
    • 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
    • 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
    • G08B17/11—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)
  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
CH1288378A 1978-12-19 1978-12-19 Smoke detector CH642473A5 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CH1288378A CH642473A5 (en) 1978-12-19 1978-12-19 Smoke detector
JP16290079A JPS5583839A (en) 1978-12-19 1979-12-17 Smoke sensor
JP1985010647U JPS60150444U (ja) 1978-12-19 1985-01-30 煙感知器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1288378A CH642473A5 (en) 1978-12-19 1978-12-19 Smoke detector

Publications (1)

Publication Number Publication Date
CH642473A5 true CH642473A5 (en) 1984-04-13

Family

ID=4387281

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1288378A CH642473A5 (en) 1978-12-19 1978-12-19 Smoke detector

Country Status (2)

Country Link
JP (2) JPS5583839A (2)
CH (1) CH642473A5 (2)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0886252A1 (de) * 1997-06-16 1998-12-23 Cerberus Ag Optischer Rauchmelder nach dem Extinktionsprinzip
US7167099B2 (en) 1999-12-08 2007-01-23 Gentex Corporation Compact particle sensor

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60185250U (ja) * 1984-05-19 1985-12-09 三菱重工業株式会社 煙濃度測定装置
JPH039008Y2 (2) * 1984-11-19 1991-03-06
JP4594277B2 (ja) 2006-05-31 2010-12-08 トヨタ自動車株式会社 排ガス分析装置におけるセンサユニット
JP4732277B2 (ja) 2006-08-23 2011-07-27 トヨタ自動車株式会社 ガス分析装置及びガス分析方法
US8441636B2 (en) * 2010-11-01 2013-05-14 Empire Technology Development Llc Nanoparticle detector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0886252A1 (de) * 1997-06-16 1998-12-23 Cerberus Ag Optischer Rauchmelder nach dem Extinktionsprinzip
US7167099B2 (en) 1999-12-08 2007-01-23 Gentex Corporation Compact particle sensor

Also Published As

Publication number Publication date
JPS5583839A (en) 1980-06-24
JPS6122278Y2 (2) 1986-07-04
JPS60150444U (ja) 1985-10-05

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Legal Events

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PL Patent ceased
PL Patent ceased