FR674890A - Electric discharge tube - Google Patents

Electric discharge tube

Info

Publication number
FR674890A
FR674890A FR674890DA FR674890A FR 674890 A FR674890 A FR 674890A FR 674890D A FR674890D A FR 674890DA FR 674890 A FR674890 A FR 674890A
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 FR674890A publication Critical patent/FR674890A/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
FR674890D 1928-06-19 1929-05-10 Electric discharge tube Expired FR674890A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL674890X 1928-06-19

Publications (1)

Publication Number Publication Date
FR674890A true FR674890A (en) 1930-02-03

Family

ID=19802242

Family Applications (1)

Application Number Title Priority Date Filing Date
FR674890D Expired FR674890A (en) 1928-06-19 1929-05-10 Electric discharge tube

Country Status (1)

Country Link
FR (1) FR674890A (en)

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