FR1057785A - Improvements to electric discharge tubes - Google Patents

Improvements to electric discharge tubes

Info

Publication number
FR1057785A
FR1057785A FR1057785DA FR1057785A FR 1057785 A FR1057785 A FR 1057785A FR 1057785D A FR1057785D A FR 1057785DA FR 1057785 A FR1057785 A FR 1057785A
Authority
FR
France
Prior art keywords
electric discharge
discharge tubes
tubes
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.)
SACUSA
Original Assignee
SACUSA
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 SACUSA filed Critical SACUSA
Application granted granted Critical
Publication of FR1057785A publication Critical patent/FR1057785A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/26—Signs formed by electric discharge tubes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR1057785D 1950-07-06 1950-07-06 Improvements to electric discharge tubes Expired FR1057785A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1057785T 1950-07-06

Publications (1)

Publication Number Publication Date
FR1057785A true FR1057785A (en) 1954-03-10

Family

ID=9598184

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1057785D Expired FR1057785A (en) 1950-07-06 1950-07-06 Improvements to electric discharge tubes

Country Status (1)

Country Link
FR (1) FR1057785A (en)

Similar Documents

Publication Publication Date Title
FR938859A (en) Improvements to electric discharge tubes
CH318619A (en) Electric discharge tube
FR1045652A (en) Improvements to electric lamps
FR1152003A (en) Improvements to electric discharge lamps
FR1046319A (en) Electric discharge tubes
FR985678A (en) Electric discharge tubes
FR1057785A (en) Improvements to electric discharge tubes
FR1042705A (en) Improvements to electric discharge tubes
FR1034305A (en) Improvements to electric discharge lamps
AT176614B (en) Electric discharge tube
FR1043879A (en) Improvements to discharge tubes
FR947295A (en) Improvements to electric discharge tubes
FR926184A (en) Improvements to electric discharge tubes
FR1054806A (en) Improvements to electric hand lamps
FR63189E (en) Improvements to discharge tubes
FR903187A (en) Improvements to electric discharge tubes
FR1039955A (en) High vacuum electric discharge tube
FR951973A (en) Improvements to the grids of electric discharge tubes
FR1029028A (en) Electric arc furnace
FR988859A (en) Improvements to electric discharge tubes
FR55187E (en) Improvements to the grids of electric discharge tubes
FR59355E (en) Electric discharge tube
FR1052857A (en) Improvements to metal vapor electric discharge devices
FR1048502A (en) Improvements to mercury vapor electric discharge devices
FR1042333A (en) Improvements to mercury vapor electric discharge devices