FR2274916B1 - - Google Patents

Info

Publication number
FR2274916B1
FR2274916B1 FR7517740A FR7517740A FR2274916B1 FR 2274916 B1 FR2274916 B1 FR 2274916B1 FR 7517740 A FR7517740 A FR 7517740A FR 7517740 A FR7517740 A FR 7517740A FR 2274916 B1 FR2274916 B1 FR 2274916B1
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
FR7517740A
Other languages
French (fr)
Other versions
FR2274916A1 (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.)
Cerberus AG
Original Assignee
Cerberus AG
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 Cerberus AG filed Critical Cerberus AG
Publication of FR2274916A1 publication Critical patent/FR2274916A1/fr
Application granted granted Critical
Publication of FR2274916B1 publication Critical patent/FR2274916B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • 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
    • G08B17/117—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means by using a detection device for specific gases, e.g. combustion products, produced by the fire

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
FR7517740A 1974-06-11 1975-06-06 Dispositif pour la detection d'oxyde de carbone et son procede de fabrication Granted FR2274916A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH799774A CH600332A5 (enExample) 1974-06-11 1974-06-11

Publications (2)

Publication Number Publication Date
FR2274916A1 FR2274916A1 (fr) 1976-01-09
FR2274916B1 true FR2274916B1 (enExample) 1980-05-30

Family

ID=4333566

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7517740A Granted FR2274916A1 (fr) 1974-06-11 1975-06-06 Dispositif pour la detection d'oxyde de carbone et son procede de fabrication

Country Status (8)

Country Link
JP (1) JPS519499A (enExample)
AU (1) AU499521B2 (enExample)
CH (1) CH600332A5 (enExample)
DE (1) DE2523736A1 (enExample)
FR (1) FR2274916A1 (enExample)
GB (1) GB1489687A (enExample)
NL (1) NL7506513A (enExample)
SE (1) SE7506622L (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2821266A1 (de) * 1978-05-16 1979-11-22 Siemens Ag Gassensoren
DE3722608A1 (de) * 1987-07-09 1989-02-02 Gyulai Maria Dobosne Anordnung und verfahren zur erfassung und anzeige der konzentrationen von zigaretten-, zigarren-, pfeifen- und autoabgasrauch

Also Published As

Publication number Publication date
CH600332A5 (enExample) 1978-06-15
NL7506513A (nl) 1975-12-15
AU499521B2 (en) 1979-04-26
JPS519499A (enExample) 1976-01-26
DE2523736A1 (de) 1976-01-02
SE7506622L (sv) 1975-12-12
AU8178475A (en) 1976-12-09
GB1489687A (en) 1977-10-26
FR2274916A1 (fr) 1976-01-09

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Legal Events

Date Code Title Description
ST Notification of lapse