FR859226A - Tube à luminescence cathodique - Google Patents

Tube à luminescence cathodique

Info

Publication number
FR859226A
FR859226A FR859226DA FR859226A FR 859226 A FR859226 A FR 859226A FR 859226D A FR859226D A FR 859226DA FR 859226 A FR859226 A FR 859226A
Authority
FR
France
Prior art keywords
cathode luminescence
luminescence tube
tube
cathode
luminescence
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
English (en)
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.)
Osa Participations Industrielles SA
Original Assignee
Osa Participations Industrielles 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
Application filed by Osa Participations Industrielles SA filed Critical Osa Participations Industrielles SA
Application granted granted Critical
Publication of FR859226A publication Critical patent/FR859226A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/30—Igniting arrangements
FR859226D 1938-08-23 1939-08-21 Tube à luminescence cathodique Expired FR859226A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE532198X 1938-08-23

Publications (1)

Publication Number Publication Date
FR859226A true FR859226A (fr) 1940-12-13

Family

ID=6555333

Family Applications (1)

Application Number Title Priority Date Filing Date
FR859226D Expired FR859226A (fr) 1938-08-23 1939-08-21 Tube à luminescence cathodique

Country Status (4)

Country Link
US (1) US2224597A (fr)
FR (1) FR859226A (fr)
GB (1) GB532198A (fr)
NL (1) NL51070C (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2707766A (en) * 1950-08-18 1955-05-03 Northrop Aircraft Inc Cold cathode voltage regulator
US2727176A (en) * 1952-12-31 1955-12-13 Westinghouse Electric Corp Electrical discharge tube
US3004183A (en) * 1957-12-03 1961-10-10 Itt Electron gun
SE334189B (fr) * 1967-12-06 1971-04-19 Asea Ab

Also Published As

Publication number Publication date
US2224597A (en) 1940-12-10
GB532198A (en) 1941-01-20
NL51070C (fr)

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