FR1519746A - Smoke detection device - Google Patents

Smoke detection device

Info

Publication number
FR1519746A
FR1519746A FR95706A FR95706A FR1519746A FR 1519746 A FR1519746 A FR 1519746A FR 95706 A FR95706 A FR 95706A FR 95706 A FR95706 A FR 95706A FR 1519746 A FR1519746 A FR 1519746A
Authority
FR
France
Prior art keywords
detection device
smoke detection
smoke
detection
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
Application number
FR95706A
Other languages
French (fr)
Inventor
Michel Dembno-Tchaikowsky
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 filed Critical
Priority to FR95706A priority Critical patent/FR1519746A/en
Application granted granted Critical
Publication of FR1519746A publication Critical patent/FR1519746A/en
Expired 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR95706A 1967-02-21 1967-02-21 Smoke detection device Expired FR1519746A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR95706A FR1519746A (en) 1967-02-21 1967-02-21 Smoke detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR95706A FR1519746A (en) 1967-02-21 1967-02-21 Smoke detection device

Publications (1)

Publication Number Publication Date
FR1519746A true FR1519746A (en) 1968-04-05

Family

ID=8625604

Family Applications (1)

Application Number Title Priority Date Filing Date
FR95706A Expired FR1519746A (en) 1967-02-21 1967-02-21 Smoke detection device

Country Status (1)

Country Link
FR (1) FR1519746A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2846310A1 (en) * 1978-10-24 1980-04-30 Preussag Ag Feuerschutz Fire alarm system for factory or warehouse - has each detector incorporated in air duct with air intakes at half of ceiling height
WO1988005517A1 (en) * 1987-01-27 1988-07-28 Halton Oy Ventilation control procedure and ventilation control means

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2846310A1 (en) * 1978-10-24 1980-04-30 Preussag Ag Feuerschutz Fire alarm system for factory or warehouse - has each detector incorporated in air duct with air intakes at half of ceiling height
WO1988005517A1 (en) * 1987-01-27 1988-07-28 Halton Oy Ventilation control procedure and ventilation control means
US4903894A (en) * 1987-01-27 1990-02-27 Halton Oy Ventilation control procedure and ventilation control means

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