CH621640A5 - - Google Patents

Download PDF

Info

Publication number
CH621640A5
CH621640A5 CH1411777A CH1411777A CH621640A5 CH 621640 A5 CH621640 A5 CH 621640A5 CH 1411777 A CH1411777 A CH 1411777A CH 1411777 A CH1411777 A CH 1411777A CH 621640 A5 CH621640 A5 CH 621640A5
Authority
CH
Switzerland
Prior art keywords
radiation
temperature
smoke
smoke detector
receiver
Prior art date
Application number
CH1411777A
Other languages
German (de)
English (en)
Inventor
Erwin Tresch
Juerg Muggli
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 CH1411777A priority Critical patent/CH621640A5/de
Priority to GB14006/78A priority patent/GB1572885A/en
Priority to US05/951,784 priority patent/US4241282A/en
Priority to JP53128672A priority patent/JPS5852269B2/ja
Priority to DE19782849697 priority patent/DE2849697A1/de
Priority to FR7832519A priority patent/FR2409559A1/fr
Publication of CH621640A5 publication Critical patent/CH621640A5/de

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
    • 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 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

  • 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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
CH1411777A 1977-11-21 1977-11-21 CH621640A5 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH1411777A CH621640A5 (fr) 1977-11-21 1977-11-21
GB14006/78A GB1572885A (en) 1977-11-21 1978-04-10 Smoke detector
US05/951,784 US4241282A (en) 1977-11-21 1978-10-16 Smoke detector with bimetallic element for temperature compensation
JP53128672A JPS5852269B2 (ja) 1977-11-21 1978-10-20 煙感知器
DE19782849697 DE2849697A1 (de) 1977-11-21 1978-11-16 Rauchdetektor
FR7832519A FR2409559A1 (fr) 1977-11-21 1978-11-17 Detecteur de fumee

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1411777A CH621640A5 (fr) 1977-11-21 1977-11-21

Publications (1)

Publication Number Publication Date
CH621640A5 true CH621640A5 (fr) 1981-02-13

Family

ID=4398141

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1411777A CH621640A5 (fr) 1977-11-21 1977-11-21

Country Status (6)

Country Link
US (1) US4241282A (fr)
JP (1) JPS5852269B2 (fr)
CH (1) CH621640A5 (fr)
DE (1) DE2849697A1 (fr)
FR (1) FR2409559A1 (fr)
GB (1) GB1572885A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0140502A1 (fr) * 1983-08-12 1985-05-08 Martin Terence Cole Appareil pour la détection de fumée

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH638101A5 (de) * 1979-05-21 1983-09-15 Cerberus Ag Brandmelder.
US4430646A (en) 1980-12-31 1984-02-07 American District Telegraph Company Forward scatter smoke detector
USRE32105E (en) * 1980-12-31 1986-04-01 American District Telegraph Company Forward scatter smoke detector
EP0132969B1 (fr) * 1983-07-04 1988-11-02 Martin Terence Cole Appareils détecteurs de fumée
GB8502506D0 (en) * 1985-01-31 1985-03-06 Emi Ltd Smoke detector
US4841157A (en) * 1988-01-06 1989-06-20 Downing Jr John P Optical backscatter turbidimeter sensor
GB9417484D0 (en) * 1993-09-07 1994-10-19 Hochiki Co Light scattering type smoke sensor
GB2286667B (en) * 1994-02-15 1997-12-24 Transmould Limited Smoke detector
DE9416314U1 (de) * 1994-10-10 1994-12-01 Fuss Fritz Gmbh & Co Rauchmelder
US6225910B1 (en) 1999-12-08 2001-05-01 Gentex Corporation Smoke detector
US6876305B2 (en) 1999-12-08 2005-04-05 Gentex Corporation Compact particle sensor
US6565352B2 (en) 2001-04-09 2003-05-20 Ken E. Nielsen Smoke density monitor
US7616126B2 (en) * 2006-07-18 2009-11-10 Gentex Corporation Optical particle detectors
JP6620983B2 (ja) 2015-12-28 2019-12-18 パナソニックＩｐマネジメント株式会社 粒子検出センサ

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3430220A (en) * 1965-09-15 1969-02-25 Clairex Electronics Inc Fire detector
GB1172354A (en) * 1966-02-16 1969-11-26 Pyrene Co Ltd Improvements relating to Smoke Detectors
US3659278A (en) * 1970-04-15 1972-04-25 Jensen Ind Inc Fire and smoke alarm device
US3868184A (en) * 1973-07-25 1975-02-25 Electro Signal Lab Optical smoke detector with light scattering test device
JPS50134172A (fr) * 1974-04-17 1975-10-24

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0140502A1 (fr) * 1983-08-12 1985-05-08 Martin Terence Cole Appareil pour la détection de fumée

Also Published As

Publication number Publication date
US4241282A (en) 1980-12-23
DE2849697A1 (de) 1979-05-23
GB1572885A (en) 1980-08-06
FR2409559A1 (fr) 1979-06-15
JPS54105899A (en) 1979-08-20
JPS5852269B2 (ja) 1983-11-21
FR2409559B1 (fr) 1982-01-22

Similar Documents

Publication Publication Date Title
CH621640A5 (fr)
DE2619083C3 (de) Rauchdetektor
EP0636266B1 (fr) Dispositif permettant de verifier des detecteurs de fumee
DE2749494A1 (de) Optischer rauchdetektor
DE2937707A1 (de) Rauchdetektor
EP0024370A2 (fr) Dispositif d'alarme d'incendie sensible à la fumée et à la température
CH622372A5 (fr)
DE3134815A1 (de) Flaechensicherung
DE2346249C3 (de) Brandmelder
EP0821330B1 (fr) Détecteur de fumée
DE19907546C2 (de) Optoelektronische Vorrichtung
DE2714130C2 (fr)
DE2752064C2 (de) Rauchdetektor
DE2709866C2 (de) Vorrichtung zur Feststellung von Schwebeteilchen
EP0105199B1 (fr) Détecteur de fumée à rayons dispersés
CH591257A5 (en) Radiation scatter smoke detector - has scatter detector receivers coaxial to radiation bundle to scan different directions using photocells or sensors
DE7735688U (de) Rauchdetektor
DE2619082C3 (de) Rauchdetektor
EP0067313B1 (fr) Détecteur de fumée comportant une source de rayonnement commandée par impulsions
CH634429A5 (en) Smoke detector
DE202009007211U1 (de) Überwachungsvorrichtung zur Überwachung von Sicherungsautomaten
DE1294271B (de) Einrichtung zur Anzeige des Durchganges eines Gegenstandes durch eine OEffnung
DE19845947C2 (de) Optoelektronische Vorrichtung
DE7613883U (de) Rauchdetektor
DE3018021C2 (fr)

Legal Events

Date Code Title Description
PL Patent ceased