CA2123155C - Detecteur de fumee photoelectrique - Google Patents

Detecteur de fumee photoelectrique

Info

Publication number
CA2123155C
CA2123155C CA002123155A CA2123155A CA2123155C CA 2123155 C CA2123155 C CA 2123155C CA 002123155 A CA002123155 A CA 002123155A CA 2123155 A CA2123155 A CA 2123155A CA 2123155 C CA2123155 C CA 2123155C
Authority
CA
Canada
Prior art keywords
smoke
chamber
detection chamber
smoke detection
arrangement
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.)
Expired - Lifetime
Application number
CA002123155A
Other languages
English (en)
Other versions
CA2123155A1 (fr
Inventor
William J. Rattman
Zhexin Mi
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.)
Tyco Safety Products Canada Ltd
Original Assignee
Digital Security Controls Ltd
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 Digital Security Controls Ltd filed Critical Digital Security Controls Ltd
Priority to CA002123155A priority Critical patent/CA2123155C/fr
Publication of CA2123155A1 publication Critical patent/CA2123155A1/fr
Application granted granted Critical
Publication of CA2123155C publication Critical patent/CA2123155C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G08B17/10—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

  • 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)
CA002123155A 1994-05-09 1994-05-09 Detecteur de fumee photoelectrique Expired - Lifetime CA2123155C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002123155A CA2123155C (fr) 1994-05-09 1994-05-09 Detecteur de fumee photoelectrique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002123155A CA2123155C (fr) 1994-05-09 1994-05-09 Detecteur de fumee photoelectrique

Publications (2)

Publication Number Publication Date
CA2123155A1 CA2123155A1 (fr) 1995-11-10
CA2123155C true CA2123155C (fr) 1999-03-16

Family

ID=4153563

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002123155A Expired - Lifetime CA2123155C (fr) 1994-05-09 1994-05-09 Detecteur de fumee photoelectrique

Country Status (1)

Country Link
CA (1) CA2123155C (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2401936A (en) * 2003-05-23 2004-11-24 Apollo Fire Detectors Ltd Light sensor for smoke detector
EP3576062A4 (fr) 2017-01-26 2020-09-02 Hochiki Corporation Dispositif d'alarme

Also Published As

Publication number Publication date
CA2123155A1 (fr) 1995-11-10

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Legal Events

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Effective date: 20140509