FR1404995A - Improvements to gas discharge lamps - Google Patents

Improvements to gas discharge lamps

Info

Publication number
FR1404995A
FR1404995A FR985811A FR985811A FR1404995A FR 1404995 A FR1404995 A FR 1404995A FR 985811 A FR985811 A FR 985811A FR 985811 A FR985811 A FR 985811A FR 1404995 A FR1404995 A FR 1404995A
Authority
FR
France
Prior art keywords
gas discharge
discharge lamps
lamps
gas
discharge
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
FR985811A
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
Priority to FR985811A priority Critical patent/FR1404995A/en
Application granted granted Critical
Publication of FR1404995A publication Critical patent/FR1404995A/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
FR985811A 1963-08-21 1964-08-21 Improvements to gas discharge lamps Expired FR1404995A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR985811A FR1404995A (en) 1963-08-21 1964-08-21 Improvements to gas discharge lamps

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL296949 1963-08-21
FR985811A FR1404995A (en) 1963-08-21 1964-08-21 Improvements to gas discharge lamps

Publications (1)

Publication Number Publication Date
FR1404995A true FR1404995A (en) 1965-07-02

Family

ID=19754975

Family Applications (1)

Application Number Title Priority Date Filing Date
FR985811A Expired FR1404995A (en) 1963-08-21 1964-08-21 Improvements to gas discharge lamps

Country Status (7)

Country Link
AT (1) AT246857B (en)
BE (1) BE652025A (en)
DE (1) DE1275687B (en)
ES (1) ES303282A1 (en)
FR (1) FR1404995A (en)
GB (1) GB1007920A (en)
NL (1) NL296949A (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB733853A (en) * 1950-12-18 1955-07-20 Hermann Eduard Krefft Improvements in or relating to electrodes for gaseous discharge lamps
GB792365A (en) * 1953-07-10 1958-03-26 Sylvania Electric Prod Improvements in and relating to electric discharge devices
US2935637A (en) * 1957-03-05 1960-05-03 Thomas M Cortese Fluorescent lamp
NL99793C (en) * 1957-08-10 1961-11-15

Also Published As

Publication number Publication date
DE1275687B (en) 1968-08-22
ES303282A1 (en) 1965-03-16
GB1007920A (en) 1965-10-22
BE652025A (en) 1965-02-19
NL296949A (en)
AT246857B (en) 1966-05-10

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