CH546988A - Automatischer feuermelder. - Google Patents

Automatischer feuermelder.

Info

Publication number
CH546988A
CH546988A CH1043771A CH546988DA CH546988A CH 546988 A CH546988 A CH 546988A CH 1043771 A CH1043771 A CH 1043771A CH 546988D A CH546988D A CH 546988DA CH 546988 A CH546988 A CH 546988A
Authority
CH
Switzerland
Prior art keywords
fire detector
automatic fire
automatic
detector
fire
Prior art date
Application number
CH1043771A
Other languages
English (en)
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 CH546988A publication Critical patent/CH546988A/de

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
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/403—Cells and electrode assemblies
    • G01N27/404—Cells with anode, cathode and cell electrolyte on the same side of a permeable membrane which separates them from the sample fluid, e.g. Clark-type oxygen sensors
    • G01N27/4045—Cells with anode, cathode and cell electrolyte on the same side of a permeable membrane which separates them from the sample fluid, e.g. Clark-type oxygen sensors for gases other than oxygen
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Measuring Oxygen Concentration In Cells (AREA)
  • Emergency Alarm Devices (AREA)
CH1043771A 1971-07-15 1971-07-15 Automatischer feuermelder. CH546988A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1043771 1971-07-15

Publications (1)

Publication Number Publication Date
CH546988A true CH546988A (de) 1974-03-15

Family

ID=4363225

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1043771A CH546988A (de) 1971-07-15 1971-07-15 Automatischer feuermelder.

Country Status (4)

Country Link
US (1) US3755800A (de)
JP (1) JPS5441919B1 (de)
CH (1) CH546988A (de)
DE (1) DE2225708A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3950980A (en) * 1974-03-27 1976-04-20 Minnesota Mining And Manufacturing Company Vapor sampling device
US4040805A (en) * 1976-10-22 1977-08-09 Board Of Supervisors Louisiana State University Agricultural And Mechanical College Personal monitoring device, or dosimeter, for measuring exposure of personnel to organic vapors
US4228400A (en) * 1978-03-28 1980-10-14 Research Corporation Conductometric gas analysis cell
US4713164A (en) * 1985-07-25 1987-12-15 Confidence Corporation Apparatus for analyzing malodors in the breath
US4744954A (en) * 1986-07-11 1988-05-17 Allied-Signal Inc. Amperometric gas sensor containing a solid electrolyte
DE10355710A1 (de) * 2003-11-28 2005-07-07 Drägerwerk AG Spannungsgenerator für eine Halbleiterschaltung
DE102007057519A1 (de) * 2007-11-29 2009-10-01 Siemens Ag Gassensor mit geringem Leistungsverbrauch
FR3000268B1 (fr) * 2012-12-21 2016-03-25 Finsecur Dispositif de detection de fumee

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2114401A (en) * 1936-07-15 1938-04-19 Mine Safety Appliances Co Gas testing
US2508588A (en) * 1947-01-28 1950-05-23 Bendix Aviat Corp Protective apparatus
NL127048C (de) * 1960-02-05
US3479257A (en) * 1966-11-25 1969-11-18 Gen Electric Methods and apparatus for measuring the content of hydrogen or reducing gases in an atmosphere

Also Published As

Publication number Publication date
DE2225708A1 (de) 1973-02-01
JPS5441919B1 (de) 1979-12-11
US3755800A (en) 1973-08-28

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Legal Events

Date Code Title Description
PL Patent ceased