FR714185A - Electric discharge tube in which the discharge takes place in an atmosphere containing vapor - Google Patents

Electric discharge tube in which the discharge takes place in an atmosphere containing vapor

Info

Publication number
FR714185A
FR714185A FR714185DA FR714185A FR 714185 A FR714185 A FR 714185A FR 714185D A FR714185D A FR 714185DA FR 714185 A FR714185 A FR 714185A
Authority
FR
France
Prior art keywords
takes place
atmosphere containing
containing vapor
electric discharge
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 FR714185A publication Critical patent/FR714185A/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
    • H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
FR714185D 1930-04-03 1931-04-01 Electric discharge tube in which the discharge takes place in an atmosphere containing vapor Expired FR714185A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL386290X 1930-04-03

Publications (1)

Publication Number Publication Date
FR714185A true FR714185A (en) 1931-11-09

Family

ID=19785710

Family Applications (1)

Application Number Title Priority Date Filing Date
FR714185D Expired FR714185A (en) 1930-04-03 1931-04-01 Electric discharge tube in which the discharge takes place in an atmosphere containing vapor

Country Status (4)

Country Link
US (1) US1905688A (en)
DE (1) DE628032C (en)
FR (1) FR714185A (en)
GB (1) GB386290A (en)

Also Published As

Publication number Publication date
US1905688A (en) 1933-04-25
GB386290A (en) 1933-01-12
DE628032C (en) 1936-03-27

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