CH546988A - AUTOMATIC FIRE DETECTOR. - Google Patents

AUTOMATIC FIRE DETECTOR.

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
German (de)
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/en

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 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)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Emergency Alarm Devices (AREA)
  • Measuring Oxygen Concentration In Cells (AREA)
CH1043771A 1971-07-15 1971-07-15 AUTOMATIC FIRE DETECTOR. CH546988A (en)

Applications Claiming Priority (1)

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

Publications (1)

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

Family

ID=4363225

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1043771A CH546988A (en) 1971-07-15 1971-07-15 AUTOMATIC FIRE DETECTOR.

Country Status (4)

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

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 (en) * 2003-11-28 2005-07-07 Drägerwerk AG Voltage generator for a semiconductor circuit
DE102007057519A1 (en) * 2007-11-29 2009-10-01 Siemens Ag Gas sensor with low power consumption
FR3000268B1 (en) * 2012-12-21 2016-03-25 Finsecur SMOKE DETECTION DEVICE

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 (en) * 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
JPS5441919B1 (en) 1979-12-11
DE2225708A1 (en) 1973-02-01
US3755800A (en) 1973-08-28

Similar Documents

Publication Publication Date Title
CH537066A (en) Flame detector
CH553405A (en) POLAROGRAPHIC DETECTOR.
CH519761A (en) Flame detector
BE789062A (en) AUTOMATIC ADDRESS DETECTION
BE783645A (en) RELIABLE POSITION DETECTOR
DK137293B (en) Fire Detector.
BE790355A (en) SMOKE DETECTOR
CH546988A (en) AUTOMATIC FIRE DETECTOR.
NL141975B (en) AUTOMATIC FIREARMS.
NL175364C (en) SQUARE DETECTOR.
BE768840A (en) Automatic lossende grijperinrichting
CH552989A (en) SMOKE DETECTOR.
CH554031A (en) FIRE DETECTION DEVICE.
DK136793B (en) Fire detector.
IT956337B (en) DETECTOR
CH537067A (en) smoke detector
ES167060Y (en) AUTOMATIC ASHTRAY.
NL175950C (en) FIRE LIGHTING SYSTEM.
ES176888Y (en) AUTOMATIC FIRES.
DK134830B (en) Securing mechanism for stop fire pipes.
ES159221Y (en) CICERONE AUTOMATIC.
ES199953Y (en) FIRE EXTINGUISHER.
ES167062Y (en) IMPROVED AUTOMATIC ASHTRAY.
BE776199A (en) AUTOMATIC DANGER BEACON.
ES162000Y (en) AUTOMATIC PITILLERA.

Legal Events

Date Code Title Description
PL Patent ceased