DE2849697A1 - Rauchdetektor - Google Patents

Rauchdetektor

Info

Publication number
DE2849697A1
DE2849697A1 DE19782849697 DE2849697A DE2849697A1 DE 2849697 A1 DE2849697 A1 DE 2849697A1 DE 19782849697 DE19782849697 DE 19782849697 DE 2849697 A DE2849697 A DE 2849697A DE 2849697 A1 DE2849697 A1 DE 2849697A1
Authority
DE
Germany
Prior art keywords
radiation
temperature
smoke detector
bimetal element
smoke
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
DE19782849697
Other languages
German (de)
English (en)
Inventor
Juerg Dipl Phys Muggli
Erwin Tresch
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.)
Cerberus AG
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
Publication of DE2849697A1 publication Critical patent/DE2849697A1/de
Pending legal-status Critical Current

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
    • G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
    • 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

  • 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)
DE19782849697 1977-11-21 1978-11-16 Rauchdetektor Pending DE2849697A1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE2849697A1 true DE2849697A1 (de) 1979-05-23

Family

ID=4398141

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782849697 Pending DE2849697A1 (de) 1977-11-21 1978-11-16 Rauchdetektor

Country Status (6)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4431889A1 (de) * 1993-09-07 1995-04-06 Hochiki Co Lichtstreuungstyp-Rauchsensor

Families Citing this family (16)

* 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.
USRE32105E (en) * 1980-12-31 1986-04-01 American District Telegraph Company Forward scatter smoke detector
US4430646A (en) 1980-12-31 1984-02-07 American District Telegraph Company Forward scatter smoke detector
EP0132969B1 (en) * 1983-07-04 1988-11-02 Martin Terence Cole Improvements relating to smoke detection apparatus
AU573243B2 (en) * 1983-08-12 1988-06-02 Vision Systems Limited Pollution detecting apparatus
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
GB2286667B (en) * 1994-02-15 1997-12-24 Transmould Limited Smoke detector
DE9416314U1 (de) * 1994-10-10 1994-12-01 Fritz Fuss Gmbh & Co, 72458 Albstadt Rauchmelder
US6876305B2 (en) 1999-12-08 2005-04-05 Gentex Corporation Compact particle sensor
US6225910B1 (en) 1999-12-08 2001-05-01 Gentex Corporation Smoke detector
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
US12329301B2 (en) 2015-07-03 2025-06-17 Fuse, Llc Container apparatus and method of using same
WO2021226457A1 (en) 2020-05-07 2021-11-11 Fuse, Llc Sanitizing devices and methods
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 (https=) * 1974-04-17 1975-10-24

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4431889A1 (de) * 1993-09-07 1995-04-06 Hochiki Co Lichtstreuungstyp-Rauchsensor
DE4431889B4 (de) * 1993-09-07 2004-01-29 Hochiki Corp. Lichtstreuungstyp-Rauchsensor

Also Published As

Publication number Publication date
FR2409559A1 (fr) 1979-06-15
FR2409559B1 (https=) 1982-01-22
JPS5852269B2 (ja) 1983-11-21
GB1572885A (en) 1980-08-06
CH621640A5 (https=) 1981-02-13
US4241282A (en) 1980-12-23
JPS54105899A (en) 1979-08-20

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Legal Events

Date Code Title Description
OD Request for examination
OHN Withdrawal