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FR827427A - Time measurement devices - Google Patents

Time measurement devices

Info

Publication number
FR827427A
FR827427A FR827427DA FR827427A FR 827427 A FR827427 A FR 827427A FR 827427D A FR827427D A FR 827427DA FR 827427 A FR827427 A FR 827427A
Authority
FR
France
Prior art keywords
time measurement
measurement devices
devices
time
measurement
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)
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR827427A publication Critical patent/FR827427A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05GX-RAY TECHNIQUE
    • H05G1/00X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08Electrical details
    • H05G1/26Measuring, controlling or protecting
    • H05G1/30Controlling
    • H05G1/38Exposure time
    • H05G1/40Exposure time using adjustable time-switch

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • X-Ray Techniques (AREA)
FR827427D 1936-10-09 1937-10-02 Time measurement devices Expired FR827427A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB27472/36A GB483024A (en) 1936-10-09 1936-10-09 Improvements in or relating to apparatus for timing x-ray exposures

Publications (1)

Publication Number Publication Date
FR827427A true FR827427A (en) 1938-04-26

Family

ID=10260144

Family Applications (1)

Application Number Title Priority Date Filing Date
FR827427D Expired FR827427A (en) 1936-10-09 1937-10-02 Time measurement devices

Country Status (3)

Country Link
US (1) US2167529A (en)
FR (1) FR827427A (en)
GB (1) GB483024A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL59159C (en) * 1942-03-04 1947-03-16 Philips Nv device for measuring the amperes second product consumed by a power consumer
US2504865A (en) * 1946-05-15 1950-04-18 Us Sec War Limit timer for protection of X-ray tubes
US2641701A (en) * 1946-11-29 1953-06-09 Int Standard Electric Corp Timing device
US2494218A (en) * 1947-07-03 1950-01-10 Picker X Ray Corp Waite Mfg Stabilizer with condenser modulator
DE900116C (en) * 1950-11-22 1953-12-21 Seifert & Co Rich Device for controlling X-ray devices for diagnostics
US3140422A (en) * 1960-06-06 1964-07-07 Gen Electric Indicator lamp circuit
US3925672A (en) * 1972-12-06 1975-12-09 Siemens Ag X-ray diagnosis apparatus with a directly heated X-ray tube

Also Published As

Publication number Publication date
GB483024A (en) 1938-04-11
US2167529A (en) 1939-07-25

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