FR2175265A5 - - Google Patents

Info

Publication number
FR2175265A5
FR2175265A5 FR7207812A FR7207812A FR2175265A5 FR 2175265 A5 FR2175265 A5 FR 2175265A5 FR 7207812 A FR7207812 A FR 7207812A FR 7207812 A FR7207812 A FR 7207812A FR 2175265 A5 FR2175265 A5 FR 2175265A5
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
FR7207812A
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 ELECTRO FSE
Original Assignee
DETECTION ELECTRO 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 ELECTRO FSE filed Critical DETECTION ELECTRO FSE
Priority to FR7207812A priority Critical patent/FR2175265A5/fr
Priority to CH273573A priority patent/CH566059A5/xx
Priority to BE128281A priority patent/BE796166A/en
Priority to DE19732310490 priority patent/DE2310490A1/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 FR2175265A5 publication Critical patent/FR2175265A5/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G08B17/103—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
    • 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

  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Fire-Detection Mechanisms (AREA)
FR7207812A 1972-03-07 1972-03-07 Expired FR2175265A5 (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
FR7207812A FR2175265A5 (en) 1972-03-07 1972-03-07
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
DE19732310490 DE2310490A1 (en) 1972-03-07 1973-03-02 LIGHT ELECTRIC SMOKE OR FIRE 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
FR7207812A FR2175265A5 (en) 1972-03-07 1972-03-07

Publications (1)

Publication Number Publication Date
FR2175265A5 true FR2175265A5 (en) 1973-10-19

Family

ID=9094745

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7207812A Expired FR2175265A5 (en) 1972-03-07 1972-03-07

Country Status (2)

Country Link
DE (1) DE2310490A1 (en)
FR (1) FR2175265A5 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005046331A1 (en) * 2005-09-27 2007-03-29 Endress + Hauser Flowtec Ag Assembly to monitor a process medium parameter has an electrical conductor plate partly obstructing passage between two chambers
DE102014019773B4 (en) 2014-12-17 2023-12-07 Elmos Semiconductor Se Device and method for distinguishing between solid objects, cooking fumes and smoke using the display of a mobile telephone
DE102014019172B4 (en) 2014-12-17 2023-12-07 Elmos Semiconductor Se Device and method for distinguishing between solid objects, cooking fumes and smoke using a compensating optical measuring system

Also Published As

Publication number Publication date
DE2310490A1 (en) 1973-09-13

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