FR938909A - Optical fire detector for ship holds - Google Patents

Optical fire detector for ship holds

Info

Publication number
FR938909A
FR938909A FR938909DA FR938909A FR 938909 A FR938909 A FR 938909A FR 938909D A FR938909D A FR 938909DA FR 938909 A FR938909 A FR 938909A
Authority
FR
France
Prior art keywords
fire detector
optical fire
ship holds
ship
holds
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
Other languages
French (fr)
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.)
SOC FR REGULATEURS ARCA
Original Assignee
SOC FR REGULATEURS ARCA
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 SOC FR REGULATEURS ARCA filed Critical SOC FR REGULATEURS ARCA
Application granted granted Critical
Publication of FR938909A publication Critical patent/FR938909A/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
    • 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)
FR938909D 1946-12-31 1946-12-31 Optical fire detector for ship holds Expired FR938909A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR938909T 1946-12-31

Publications (1)

Publication Number Publication Date
FR938909A true FR938909A (en) 1948-10-28

Family

ID=9458391

Family Applications (1)

Application Number Title Priority Date Filing Date
FR938909D Expired FR938909A (en) 1946-12-31 1946-12-31 Optical fire detector for ship holds

Country Status (1)

Country Link
FR (1) FR938909A (en)

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