FR710937A - Improvements to glow discharge tubes - Google Patents

Improvements to glow discharge tubes

Info

Publication number
FR710937A
FR710937A FR710937DA FR710937A FR 710937 A FR710937 A FR 710937A FR 710937D A FR710937D A FR 710937DA FR 710937 A FR710937 A FR 710937A
Authority
FR
France
Prior art keywords
glow discharge
discharge tubes
tubes
glow
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 FR710937A publication Critical patent/FR710937A/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
    • H01J17/06—Cathodes
    • H01J17/066—Cold cathodes
    • 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)
    • H01J2893/0065—Electrode systems
    • H01J2893/0066—Construction, material, support, protection and temperature regulation of electrodes; Electrode cups
FR710937D 1930-02-25 1931-02-09 Improvements to glow discharge tubes Expired FR710937A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL710937X 1930-02-25

Publications (1)

Publication Number Publication Date
FR710937A true FR710937A (en) 1931-08-31

Family

ID=19813571

Family Applications (1)

Application Number Title Priority Date Filing Date
FR710937D Expired FR710937A (en) 1930-02-25 1931-02-09 Improvements to glow discharge tubes

Country Status (1)

Country Link
FR (1) FR710937A (en)

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