FR1126728A - Electronic tube for fairly high voltages, equipped with a life indicator - Google Patents

Electronic tube for fairly high voltages, equipped with a life indicator

Info

Publication number
FR1126728A
FR1126728A FR1126728DA FR1126728A FR 1126728 A FR1126728 A FR 1126728A FR 1126728D A FR1126728D A FR 1126728DA FR 1126728 A FR1126728 A FR 1126728A
Authority
FR
France
Prior art keywords
high voltages
fairly high
electronic tube
life indicator
indicator
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1126728A publication Critical patent/FR1126728A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/42—Measurement or testing during manufacture

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Measurement Of Radiation (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • X-Ray Techniques (AREA)
FR1126728D 1954-06-28 1955-06-27 Electronic tube for fairly high voltages, equipped with a life indicator Expired FR1126728A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL955798X 1954-06-28
NL2860302X 1954-06-28
NL331355X 1954-06-28

Publications (1)

Publication Number Publication Date
FR1126728A true FR1126728A (en) 1956-11-29

Family

ID=75299983

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1126728D Expired FR1126728A (en) 1954-06-28 1955-06-27 Electronic tube for fairly high voltages, equipped with a life indicator

Country Status (6)

Country Link
US (1) US2860302A (en)
JP (1) JPS336430B1 (en)
CH (1) CH331355A (en)
DE (1) DE955798C (en)
FR (1) FR1126728A (en)
NL (1) NL85203C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4329648A (en) * 1980-07-21 1982-05-11 Rca Corporation Method of checking for electrical frit breakdown in kinescopes and apparatus therefor

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190317666A (en) * 1903-08-14 1903-09-24 Guido Holzknecht Means for Determining the Action of Röntgen Rays.
GB191002432A (en) * 1909-02-01 1910-08-11 Felten And Guilleaume Lahmeyer Improved Means for Checking the use of Electric Lighting Apparatus and more particularly of Electric Glow Lamps.
US1077479A (en) * 1913-05-01 1913-11-04 Gen Electric Device adapted to show whether an electric incandescent lamp has been in use.
NL42729C (en) * 1934-08-06
US2381261A (en) * 1942-08-28 1945-08-07 Smith Corp A O X-ray film holder
FR960009A (en) * 1947-01-24 1950-04-12
US2496218A (en) * 1947-12-16 1950-01-31 Kieffer Jean Method and apparatus for determining radiation dosage
US2624011A (en) * 1951-03-27 1952-12-30 Kurt G Stern Self-developing pocket radiation dosimeter
US2722519A (en) * 1952-11-03 1955-11-01 Kurt O Otley Radiation sensitive glass

Also Published As

Publication number Publication date
DE955798C (en) 1957-01-10
US2860302A (en) 1958-11-11
NL85203C (en)
CH331355A (en) 1958-07-15
JPS336430B1 (en) 1958-08-13

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