FR677879A - Improvements to electric arc discharge devices - Google Patents

Improvements to electric arc discharge devices

Info

Publication number
FR677879A
FR677879A FR677879DA FR677879A FR 677879 A FR677879 A FR 677879A FR 677879D A FR677879D A FR 677879DA FR 677879 A FR677879 A FR 677879A
Authority
FR
France
Prior art keywords
electric arc
arc discharge
discharge devices
devices
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)
Inventor
Paul Freedman
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 filed Critical
Application granted granted Critical
Publication of FR677879A publication Critical patent/FR677879A/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
    • H01J61/54—Igniting arrangements, e.g. promoting ionisation for starting
    • H01J61/545—Igniting arrangements, e.g. promoting ionisation for starting using an auxiliary electrode inside the vessel
FR677879D 1928-07-05 1929-07-04 Improvements to electric arc discharge devices Expired FR677879A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB19515/28A GB315094A (en) 1928-07-05 1928-07-05 Improvements in and relating to electric arc devices

Publications (1)

Publication Number Publication Date
FR677879A true FR677879A (en) 1930-03-15

Family

ID=10130674

Family Applications (1)

Application Number Title Priority Date Filing Date
FR677879D Expired FR677879A (en) 1928-07-05 1929-07-04 Improvements to electric arc discharge devices

Country Status (3)

Country Link
US (1) US1959419A (en)
FR (1) FR677879A (en)
GB (1) GB315094A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE481746A (en) * 1941-10-13
US3634718A (en) * 1970-02-06 1972-01-11 Westinghouse Electric Corp High-pressure gaseous discharge lamp including a starting electrode

Also Published As

Publication number Publication date
US1959419A (en) 1934-05-22
GB315094A (en) 1929-07-11

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