FR1141719A - Low pressure electric discharge tubes, in particular luminescent lamps - Google Patents

Low pressure electric discharge tubes, in particular luminescent lamps

Info

Publication number
FR1141719A
FR1141719A FR1141719DA FR1141719A FR 1141719 A FR1141719 A FR 1141719A FR 1141719D A FR1141719D A FR 1141719DA FR 1141719 A FR1141719 A FR 1141719A
Authority
FR
France
Prior art keywords
low pressure
electric discharge
discharge tubes
pressure electric
luminescent lamps
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.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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 Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Application granted granted Critical
Publication of FR1141719A publication Critical patent/FR1141719A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/067—Main electrodes for low-pressure discharge lamps
    • H01J61/0675—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode
    • H01J61/0677—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material
FR1141719D 1955-02-23 1956-02-20 Low pressure electric discharge tubes, in particular luminescent lamps Expired FR1141719A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEP13621A DE1005636B (en) 1955-02-23 1955-02-23 Electric low-pressure discharge tubes, in particular fluorescent lamps

Publications (1)

Publication Number Publication Date
FR1141719A true FR1141719A (en) 1957-09-06

Family

ID=7364719

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1141719D Expired FR1141719A (en) 1955-02-23 1956-02-20 Low pressure electric discharge tubes, in particular luminescent lamps

Country Status (5)

Country Link
US (1) US2831137A (en)
BE (1) BE545445A (en)
DE (1) DE1005636B (en)
FR (1) FR1141719A (en)
GB (1) GB822553A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2963450A (en) * 1958-03-17 1960-12-06 Interlectric Corp Filament coating composition
ITMI20012389A1 (en) * 2001-11-12 2003-05-12 Getters Spa CABLE CATHODE WITH INTEGRATED GETTER FOR DISCHARGE LAMPS AND METHODS FOR ITS REALIZATION

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL24414C (en) * 1926-06-09
US2201167A (en) * 1937-03-09 1940-05-21 Germeshausen Kenneth Joseph Gaseous-discharge device
BE482916A (en) * 1947-06-05
US2714681A (en) * 1948-08-27 1955-08-02 Gen Electric Electric discharge device
US2677623A (en) * 1949-10-27 1954-05-04 Ets Claude Paz & Silva Process for manufacturing electron emissive material and electrodes

Also Published As

Publication number Publication date
DE1005636B (en) 1957-04-04
GB822553A (en) 1959-10-28
BE545445A (en)
US2831137A (en) 1958-04-15

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