FR1248844A - Improved probe for leak detectors, and associated electrical detection and signaling circuit - Google Patents

Improved probe for leak detectors, and associated electrical detection and signaling circuit

Info

Publication number
FR1248844A
FR1248844A FR818800A FR818800A FR1248844A FR 1248844 A FR1248844 A FR 1248844A FR 818800 A FR818800 A FR 818800A FR 818800 A FR818800 A FR 818800A FR 1248844 A FR1248844 A FR 1248844A
Authority
FR
France
Prior art keywords
associated electrical
electrical detection
signaling circuit
leak detectors
improved probe
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
FR818800A
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 US793903A external-priority patent/US2996661A/en
Priority claimed from US815637A external-priority patent/US3065411A/en
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR1248844A publication Critical patent/FR1248844A/en
Expired 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
    • G01N27/62—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
    • G01N27/68—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 electric discharge to ionise a gas
    • G01N27/70—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 electric discharge to ionise a gas and measuring current or voltage

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
FR818800A 1959-02-17 1960-02-17 Improved probe for leak detectors, and associated electrical detection and signaling circuit Expired FR1248844A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US793903A US2996661A (en) 1959-02-17 1959-02-17 Leak detector proportioning probe
US815637A US3065411A (en) 1959-05-25 1959-05-25 Leak detector indicating circuit

Publications (1)

Publication Number Publication Date
FR1248844A true FR1248844A (en) 1960-12-23

Family

ID=27121447

Family Applications (1)

Application Number Title Priority Date Filing Date
FR818800A Expired FR1248844A (en) 1959-02-17 1960-02-17 Improved probe for leak detectors, and associated electrical detection and signaling circuit

Country Status (1)

Country Link
FR (1) FR1248844A (en)

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