FR897204A - Electric discharge tube, high pressure - Google Patents

Electric discharge tube, high pressure

Info

Publication number
FR897204A
FR897204A FR897204DA FR897204A FR 897204 A FR897204 A FR 897204A FR 897204D A FR897204D A FR 897204DA FR 897204 A FR897204 A FR 897204A
Authority
FR
France
Prior art keywords
high pressure
electric discharge
discharge tube
tube
electric
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 FR897204A publication Critical patent/FR897204A/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
    • H01J61/073—Main electrodes for high-pressure discharge lamps
    • H01J61/0732—Main electrodes for high-pressure discharge lamps characterised by the construction of the electrode
FR897204D 1942-08-13 1943-08-11 Electric discharge tube, high pressure Expired FR897204A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL239109X 1942-08-13

Publications (1)

Publication Number Publication Date
FR897204A true FR897204A (en) 1945-03-15

Family

ID=19780440

Family Applications (1)

Application Number Title Priority Date Filing Date
FR897204D Expired FR897204A (en) 1942-08-13 1943-08-11 Electric discharge tube, high pressure

Country Status (5)

Country Link
US (1) US2488716A (en)
BE (1) BE451865A (en)
CH (1) CH239109A (en)
FR (1) FR897204A (en)
GB (1) GB624013A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2926277A (en) * 1960-02-23 white
US2699514A (en) * 1951-11-28 1955-01-11 Duro Test Corp Fluorescent lamp
US2677778A (en) * 1952-03-31 1954-05-04 Atomic Energy Commission Linear cathode
GB741369A (en) * 1952-10-22 1955-11-30 British Thomson Houston Co Ltd Improvements in and relating to thermionic cathodes
FR1078606A (en) * 1953-04-02 1954-11-19 Csf Improvements to emissive cathodes
US2875367A (en) * 1954-10-22 1959-02-24 Gen Electric Cathode structures
US3179832A (en) * 1960-01-12 1965-04-20 Field Emission Corp Temperature enhanced field emission x-ray tube
NL6411355A (en) * 1964-09-30 1966-03-31

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR769133A (en) * 1933-02-17 1934-08-20 Quarzlampen Gmbh Gas or vapor discharge tubes with one or more electrodes brought to high temperature during operation
US2175345A (en) * 1935-07-12 1939-10-10 Gen Electric Electric gaseous discharge device
US2249672A (en) * 1936-12-10 1941-07-15 Gen Electric Discharge device
US2267318A (en) * 1939-03-21 1941-12-23 Gen Electric Electrode and terminal structure for electric discharge devices
US2310983A (en) * 1940-02-20 1943-02-16 Samuel C Miller Electrode for luminous tubes and method of producing the same
US2404057A (en) * 1943-03-24 1946-07-16 Westinghouse Electric Corp End-cap electrode for discharge lamps

Also Published As

Publication number Publication date
GB624013A (en) 1949-05-26
US2488716A (en) 1949-11-22
BE451865A (en)
CH239109A (en) 1945-09-15

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