DE2310490A1 - Lichtelektrischer rauch- bzw. branddetektor - Google Patents

Lichtelektrischer rauch- bzw. branddetektor

Info

Publication number
DE2310490A1
DE2310490A1 DE19732310490 DE2310490A DE2310490A1 DE 2310490 A1 DE2310490 A1 DE 2310490A1 DE 19732310490 DE19732310490 DE 19732310490 DE 2310490 A DE2310490 A DE 2310490A DE 2310490 A1 DE2310490 A1 DE 2310490A1
Authority
DE
Germany
Prior art keywords
light
detector
smoke
detector according
light source
Prior art date
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
DE19732310490
Other languages
German (de)
English (en)
Inventor
Auf Nichtnennung Antrag
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FRANCAIS DETECTION ELETR
La Detection Electronique Francaise
Original Assignee
FRANCAIS DETECTION ELETR
La Detection Electronique Francaise
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 FRANCAIS DETECTION ELETR, La Detection Electronique Francaise filed Critical FRANCAIS DETECTION ELETR
Publication of DE2310490A1 publication Critical patent/DE2310490A1/de
Pending legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/58—Pipe-line systems
    • A62C35/60—Pipe-line systems wet, i.e. containing extinguishing material even when not in use
    • A62C35/605—Pipe-line systems wet, i.e. containing extinguishing material even when not in use operating and sounding alarm automatically
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems
    • 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
    • G08B17/103—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 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
    • G08B17/103—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 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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Public Health (AREA)
  • Fire-Detection Mechanisms (AREA)
DE19732310490 1972-03-07 1973-03-02 Lichtelektrischer rauch- bzw. branddetektor Pending DE2310490A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7207812A FR2175265A5 (https=) 1972-03-07 1972-03-07

Publications (1)

Publication Number Publication Date
DE2310490A1 true DE2310490A1 (de) 1973-09-13

Family

ID=9094745

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732310490 Pending DE2310490A1 (de) 1972-03-07 1973-03-02 Lichtelektrischer rauch- bzw. branddetektor

Country Status (2)

Country Link
DE (1) DE2310490A1 (https=)
FR (1) FR2175265A5 (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005046331A1 (de) * 2005-09-27 2007-03-29 Endress + Hauser Flowtec Ag Vorrichtung zur Bestimmung und/oder Überwachung einer Prozessgröße
DE102014019172A1 (de) 2014-12-17 2016-06-23 Elmos Semiconductor Aktiengesellschaft Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mit einem kompensierenden optischen Messsystem
DE102014019773A1 (de) 2014-12-17 2016-06-23 Elmos Semiconductor Aktiengesellschaft Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mittels des Displays eines Mobiltelefons

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005046331A1 (de) * 2005-09-27 2007-03-29 Endress + Hauser Flowtec Ag Vorrichtung zur Bestimmung und/oder Überwachung einer Prozessgröße
DE102005046331B4 (de) * 2005-09-27 2025-02-20 Endress + Hauser Flowtec Ag Vorrichtung zur Bestimmung und/oder Überwachung einer Prozessgröße
DE102014019172A1 (de) 2014-12-17 2016-06-23 Elmos Semiconductor Aktiengesellschaft Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mit einem kompensierenden optischen Messsystem
DE102014019773A1 (de) 2014-12-17 2016-06-23 Elmos Semiconductor Aktiengesellschaft Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mittels des Displays eines Mobiltelefons

Also Published As

Publication number Publication date
FR2175265A5 (https=) 1973-10-19

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Legal Events

Date Code Title Description
OHA Expiration of time for request for examination