FR619303A - Enclosed Arc Electric Discharge Tube - Google Patents

Enclosed Arc Electric Discharge Tube

Info

Publication number
FR619303A
FR619303A FR619303DA FR619303A FR 619303 A FR619303 A FR 619303A FR 619303D A FR619303D A FR 619303DA FR 619303 A FR619303 A FR 619303A
Authority
FR
France
Prior art keywords
electric discharge
discharge tube
arc electric
enclosed arc
enclosed
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 FR619303A publication Critical patent/FR619303A/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
    • H01J61/98—Lamps with closely spaced electrodes heated to incandescence by light-emitting discharge, e.g. tungsten arc lamp
FR619303D 1925-09-22 1926-07-26 Enclosed Arc Electric Discharge Tube Expired FR619303A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL619303X 1925-09-22

Publications (1)

Publication Number Publication Date
FR619303A true FR619303A (en) 1927-03-31

Family

ID=19788386

Family Applications (1)

Application Number Title Priority Date Filing Date
FR619303D Expired FR619303A (en) 1925-09-22 1926-07-26 Enclosed Arc Electric Discharge Tube

Country Status (1)

Country Link
FR (1) FR619303A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2832912A (en) * 1955-03-30 1958-04-29 Gen Electric Electric discharge device
DE1044965B (en) * 1955-03-30 1958-11-27 Gen Electric Electric extra-low voltage discharge lamp
DE1060991B (en) * 1957-02-15 1959-07-09 Patra Patent Treuhand Device to prevent annoying blackening on fluorescent lamps

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2832912A (en) * 1955-03-30 1958-04-29 Gen Electric Electric discharge device
DE1044965B (en) * 1955-03-30 1958-11-27 Gen Electric Electric extra-low voltage discharge lamp
DE1060991B (en) * 1957-02-15 1959-07-09 Patra Patent Treuhand Device to prevent annoying blackening on fluorescent lamps

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