FR1494089A - Circuit de détection et de mesure de signaux, notamment de signaux dérivés de l'ionisation d'un milieu, particulièrement d'un milieu gazeux - Google Patents

Circuit de détection et de mesure de signaux, notamment de signaux dérivés de l'ionisation d'un milieu, particulièrement d'un milieu gazeux

Info

Publication number
FR1494089A
FR1494089A FR51780A FR51780A FR1494089A FR 1494089 A FR1494089 A FR 1494089A FR 51780 A FR51780 A FR 51780A FR 51780 A FR51780 A FR 51780A FR 1494089 A FR1494089 A FR 1494089A
Authority
FR
France
Prior art keywords
medium
ionization
detecting
circuit
signals
Prior art date
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
FR51780A
Other languages
English (en)
Inventor
A B Amiragoff D Sc
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.)
Etablissement Pour Applications Electroniques Anstalt
Original Assignee
Etablissement Pour Applications Electroniques Anstalt
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
Priority claimed from LU48167A external-priority patent/LU48167A1/xx
Application filed by Etablissement Pour Applications Electroniques Anstalt filed Critical Etablissement Pour Applications Electroniques Anstalt
Priority to FR51780A priority Critical patent/FR1494089A/fr
Application granted granted Critical
Publication of FR1494089A publication Critical patent/FR1494089A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G08B17/11—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
    • 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
    • G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
    • 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
    • G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
    • G01N27/64—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/185—Measuring radiation intensity with ionisation chamber arrangements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T7/00—Details of radiation-measuring instruments
    • G01T7/12—Provision for actuation of an alarm
    • G01T7/125—Alarm- or controlling circuits using ionisation chambers, proportional counters or Geiger-Mueller tubes, also functioning as UV detectors
    • 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
    • G08B17/11—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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J41/00—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas; Discharge tubes for evacuation by diffusion of ions
    • H01J41/02—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas
    • H01J41/08—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas with ionisation by means of radioactive substances, e.g. alphatrons

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Toxicology (AREA)
FR51780A 1965-03-11 1966-03-03 Circuit de détection et de mesure de signaux, notamment de signaux dérivés de l'ionisation d'un milieu, particulièrement d'un milieu gazeux Expired FR1494089A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR51780A FR1494089A (fr) 1965-03-11 1966-03-03 Circuit de détection et de mesure de signaux, notamment de signaux dérivés de l'ionisation d'un milieu, particulièrement d'un milieu gazeux

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
LU48167A LU48167A1 (fr) 1965-03-11 1965-03-11
LU50399A LU50399A1 (fr) 1965-03-11 1966-02-04
FR51780A FR1494089A (fr) 1965-03-11 1966-03-03 Circuit de détection et de mesure de signaux, notamment de signaux dérivés de l'ionisation d'un milieu, particulièrement d'un milieu gazeux

Publications (1)

Publication Number Publication Date
FR1494089A true FR1494089A (fr) 1967-09-08

Family

ID=27242948

Family Applications (1)

Application Number Title Priority Date Filing Date
FR51780A Expired FR1494089A (fr) 1965-03-11 1966-03-03 Circuit de détection et de mesure de signaux, notamment de signaux dérivés de l'ionisation d'un milieu, particulièrement d'un milieu gazeux

Country Status (1)

Country Link
FR (1) FR1494089A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2090086A1 (fr) * 1970-05-16 1972-01-14 Preussag Ag Feuerschutz

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2090086A1 (fr) * 1970-05-16 1972-01-14 Preussag Ag Feuerschutz

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