FR921728A - improved electrode for discharge lamp - Google Patents

improved electrode for discharge lamp

Info

Publication number
FR921728A
FR921728A FR921728DA FR921728A FR 921728 A FR921728 A FR 921728A FR 921728D A FR921728D A FR 921728DA FR 921728 A FR921728 A FR 921728A
Authority
FR
France
Prior art keywords
discharge lamp
improved electrode
electrode
improved
lamp
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Application granted granted Critical
Publication of FR921728A publication Critical patent/FR921728A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/02Details
    • H01J61/04Electrodes; Screens; Shields
    • H01J61/06Main electrodes
    • H01J61/073Main electrodes for high-pressure discharge lamps
    • H01J61/0732Main electrodes for high-pressure discharge lamps characterised by the construction of the electrode
FR921728D 1940-10-29 1946-02-07 improved electrode for discharge lamp Expired FR921728A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1583340A GB543161A (en) 1940-10-29 1940-10-29 Improvements in hpmv electric discharge devices

Publications (1)

Publication Number Publication Date
FR921728A true FR921728A (en) 1947-05-16

Family

ID=10066350

Family Applications (2)

Application Number Title Priority Date Filing Date
FR921728D Expired FR921728A (en) 1940-10-29 1946-02-07 improved electrode for discharge lamp
FR54441D Expired FR54441E (en) 1940-10-29 1946-02-12 improved electrode for discharge lamp

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR54441D Expired FR54441E (en) 1940-10-29 1946-02-12 improved electrode for discharge lamp

Country Status (4)

Country Link
BE (2) BE463968A (en)
ES (1) ES174103A1 (en)
FR (2) FR921728A (en)
GB (2) GB543161A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1011518B (en) * 1951-01-11 1957-07-04 Hanovia Chemical And Mfg Compa Electric high pressure discharge lamp

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB630547A (en) * 1945-03-05 1949-10-17 Gen Electric Co Ltd Improvements in and relating to electric discharge lamps
US2675496A (en) * 1949-08-31 1954-04-13 Westinghouse Electric Corp High-pressure discharge lamp and seal therefor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1011518B (en) * 1951-01-11 1957-07-04 Hanovia Chemical And Mfg Compa Electric high pressure discharge lamp

Also Published As

Publication number Publication date
BE463968A (en)
GB554678A (en) 1943-07-14
ES174103A1 (en) 1946-08-01
BE463994A (en)
GB543161A (en) 1942-02-12
FR54441E (en) 1950-05-02

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