FR2185931A6 - - Google Patents

Info

Publication number
FR2185931A6
FR2185931A6 FR7219006A FR7219006A FR2185931A6 FR 2185931 A6 FR2185931 A6 FR 2185931A6 FR 7219006 A FR7219006 A FR 7219006A FR 7219006 A FR7219006 A FR 7219006A FR 2185931 A6 FR2185931 A6 FR 2185931A6
Authority
FR
France
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
FR7219006A
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.)
DETECTION ELECT O FSE
Original Assignee
DETECTION ELECT O FSE
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 DETECTION ELECT O FSE filed Critical DETECTION ELECT O FSE
Priority to FR7219006A priority Critical patent/FR2185931A6/fr
Priority to CH273573A priority patent/CH566059A5/xx
Priority to BE128281A priority patent/BE796166A/en
Priority to GB1018173A priority patent/GB1427092A/en
Priority to IT21178/73A priority patent/IT981112B/en
Priority to NL7303147A priority patent/NL7303147A/xx
Priority to US338480A priority patent/US3922655A/en
Priority to DD169383A priority patent/DD105339A5/xx
Priority to ES412391A priority patent/ES412391A1/en
Application granted granted Critical
Publication of FR2185931A6 publication Critical patent/FR2185931A6/fr
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
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/58—Pipe-line systems
    • A62C35/60—Pipe-line systems wet, i.e. containing extinguishing material even when not in use
    • A62C35/605—Pipe-line systems wet, i.e. containing extinguishing material even when not in use operating and sounding alarm automatically
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems
    • 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

  • Physics & Mathematics (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
FR7219006A 1972-03-07 1972-05-26 Expired FR2185931A6 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
FR7219006A FR2185931A6 (en) 1972-05-26 1972-05-26
CH273573A CH566059A5 (en) 1972-03-07 1973-02-26
BE128281A BE796166A (en) 1972-03-07 1973-03-01 SMOKE DETECTOR
GB1018173A GB1427092A (en) 1972-03-07 1973-03-02 Smoke detector
IT21178/73A IT981112B (en) 1972-03-07 1973-03-05 SMOKE DETECTOR
NL7303147A NL7303147A (en) 1972-03-07 1973-03-06
US338480A US3922655A (en) 1972-03-07 1973-03-06 Smoke or fire detector
DD169383A DD105339A5 (en) 1972-03-07 1973-03-06
ES412391A ES412391A1 (en) 1972-03-07 1973-03-07 Smoke or fire detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7219006A FR2185931A6 (en) 1972-05-26 1972-05-26

Publications (1)

Publication Number Publication Date
FR2185931A6 true FR2185931A6 (en) 1974-01-04

Family

ID=9099184

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7219006A Expired FR2185931A6 (en) 1972-03-07 1972-05-26

Country Status (1)

Country Link
FR (1) FR2185931A6 (en)

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