FR810465A - Improvements in the manufacture of discharge tubes - Google Patents

Improvements in the manufacture of discharge tubes

Info

Publication number
FR810465A
FR810465A FR810465DA FR810465A FR 810465 A FR810465 A FR 810465A FR 810465D A FR810465D A FR 810465DA FR 810465 A FR810465 A FR 810465A
Authority
FR
France
Prior art keywords
manufacture
discharge tubes
tubes
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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR810465A publication Critical patent/FR810465A/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
FR810465D 1935-09-06 1936-09-07 Improvements in the manufacture of discharge tubes Expired FR810465A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US810465XA 1935-09-06 1935-09-06

Publications (1)

Publication Number Publication Date
FR810465A true FR810465A (en) 1937-03-22

Family

ID=22161777

Family Applications (1)

Application Number Title Priority Date Filing Date
FR810465D Expired FR810465A (en) 1935-09-06 1936-09-07 Improvements in the manufacture of discharge tubes

Country Status (1)

Country Link
FR (1) FR810465A (en)

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