FR990438A - Abnormal radioactive radiation detection device - Google Patents

Abnormal radioactive radiation detection device

Info

Publication number
FR990438A
FR990438A FR990438DA FR990438A FR 990438 A FR990438 A FR 990438A FR 990438D A FR990438D A FR 990438DA FR 990438 A FR990438 A FR 990438A
Authority
FR
France
Prior art keywords
detection device
radiation detection
radioactive radiation
abnormal radioactive
abnormal
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
Other languages
French (fr)
Inventor
Walter Heinrich Graffunder
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 filed Critical
Application granted granted Critical
Publication of FR990438A publication Critical patent/FR990438A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Measurement Of Radiation (AREA)
FR990438D 1948-07-14 1949-07-08 Abnormal radioactive radiation detection device Expired FR990438A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH268313T 1948-07-14
CH271838T 1949-02-01
CH277888T 1949-05-14

Publications (1)

Publication Number Publication Date
FR990438A true FR990438A (en) 1951-09-21

Family

ID=25730999

Family Applications (1)

Application Number Title Priority Date Filing Date
FR990438D Expired FR990438A (en) 1948-07-14 1949-07-08 Abnormal radioactive radiation detection device

Country Status (4)

Country Link
CH (1) CH277888A (en)
DE (1) DE969251C (en)
FR (1) FR990438A (en)
GB (1) GB661814A (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE366858C (en) * 1921-01-12 1923-01-12 Wilhelm Hammer Dr Device for measuring the dose of rays (x-ray, radium, light rays, etc.)
AT98599B (en) * 1921-04-02 1924-11-25 Siegmund Ing Strauss Device for measuring ionization currents generated by X-rays.
GB339781A (en) * 1928-12-24 1930-12-18 Westinghouse Lamp Company
DE576207C (en) * 1930-09-21 1933-05-08 Physikalisch Tech Werkstaetten Device for measuring weak electrical currents by means of an electrometer designed as a relay, the moving part of which hits a contact when a certain voltage is reached
DE632374C (en) * 1933-11-06 1936-07-07 C H F Mueller Akt Ges Device with a capacitor that is charged via the grid and the cathode of an electron relay and discharged via an ionization chamber influenced by radiation
DE683329C (en) * 1936-10-17 1939-11-04 Physikalisch Tech Werkstaetten Dosimeter for X-rays
DE740694C (en) * 1942-02-24 1943-10-27 Siemens Reiniger Werke Ag Ionometric measuring device with a large ionization chamber

Also Published As

Publication number Publication date
DE969251C (en) 1950-10-26
CH277888A (en) 1951-12-17
GB661814A (en) 1951-11-28

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