FR712097A - Improvements made to electric discharge tubes - Google Patents

Improvements made to electric discharge tubes

Info

Publication number
FR712097A
FR712097A FR712097DA FR712097A FR 712097 A FR712097 A FR 712097A FR 712097D A FR712097D A FR 712097DA FR 712097 A FR712097 A FR 712097A
Authority
FR
France
Prior art keywords
electric discharge
improvements made
discharge tubes
tubes
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)
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 FR712097A publication Critical patent/FR712097A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/04—Electrodes; Screens
FR712097D 1930-03-04 1931-02-25 Improvements made to electric discharge tubes Expired FR712097A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL357774X 1930-03-04

Publications (1)

Publication Number Publication Date
FR712097A true FR712097A (en) 1931-09-24

Family

ID=19785290

Family Applications (1)

Application Number Title Priority Date Filing Date
FR712097D Expired FR712097A (en) 1930-03-04 1931-02-25 Improvements made to electric discharge tubes

Country Status (2)

Country Link
FR (1) FR712097A (en)
GB (1) GB357774A (en)

Also Published As

Publication number Publication date
GB357774A (en) 1931-10-01

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