FR674486A - Electric discharge tube - Google Patents

Electric discharge tube

Info

Publication number
FR674486A
FR674486A FR674486DA FR674486A FR 674486 A FR674486 A FR 674486A FR 674486D A FR674486D A FR 674486DA FR 674486 A FR674486 A FR 674486A
Authority
FR
France
Prior art keywords
electric discharge
discharge tube
tube
electric
discharge
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 FR674486A publication Critical patent/FR674486A/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
FR674486D 1928-06-14 1929-05-02 Electric discharge tube Expired FR674486A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL674486X 1928-06-14

Publications (1)

Publication Number Publication Date
FR674486A true FR674486A (en) 1930-01-29

Family

ID=19802229

Family Applications (1)

Application Number Title Priority Date Filing Date
FR674486D Expired FR674486A (en) 1928-06-14 1929-05-02 Electric discharge tube

Country Status (1)

Country Link
FR (1) FR674486A (en)

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