FR666040A - Discharge tube - Google Patents

Discharge tube

Info

Publication number
FR666040A
FR666040A FR666040DA FR666040A FR 666040 A FR666040 A FR 666040A FR 666040D A FR666040D A FR 666040DA FR 666040 A FR666040 A FR 666040A
Authority
FR
France
Prior art keywords
discharge tube
discharge
tube
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 FR666040A publication Critical patent/FR666040A/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
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
    • H01J61/20—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent mercury vapour
FR666040D 1928-01-18 1928-12-18 Discharge tube Expired FR666040A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1994301X 1928-01-18

Publications (1)

Publication Number Publication Date
FR666040A true FR666040A (en) 1929-09-26

Family

ID=19873451

Family Applications (1)

Application Number Title Priority Date Filing Date
FR666040D Expired FR666040A (en) 1928-01-18 1928-12-18 Discharge tube

Country Status (3)

Country Link
US (1) US1994301A (en)
BE (1) BE356705A (en)
FR (1) FR666040A (en)

Also Published As

Publication number Publication date
US1994301A (en) 1935-03-12
BE356705A (en)

Similar Documents

Publication Publication Date Title
FR674313A (en) Electric discharge tube
FR686234A (en) Electric discharge tube
FR686414A (en) Electric discharge tube
FR669314A (en) Electric discharge tube
FR649051A (en) Electric discharge tube
FR668025A (en) Electric discharge tube
FR685521A (en) Electric discharge tube
FR715188A (en) Metal-cased discharge tube
FR719115A (en) Discharge tube
FR723374A (en) Electric discharge tube
FR717583A (en) Electric discharge tube
FR672469A (en) Electric discharge tubes
FR666040A (en) Discharge tube
FR665991A (en) Electric discharge tube
FR674565A (en) Electric discharge tube
FR727891A (en) Electric discharge tube
FR663119A (en) Arc discharge tube
FR681706A (en) Light discharge tube
FR675409A (en) Electric discharge tube
FR674890A (en) Electric discharge tube
FR674486A (en) Electric discharge tube
FR682098A (en) Electric discharge tube
FR650441A (en) Discharge tube
FR642557A (en) Electric discharge tube
FR658896A (en) Electric discharge tube