FR1351908A - Development of cold cathode discharge tubes - Google Patents

Development of cold cathode discharge tubes

Info

Publication number
FR1351908A
FR1351908A FR929070A FR929070A FR1351908A FR 1351908 A FR1351908 A FR 1351908A FR 929070 A FR929070 A FR 929070A FR 929070 A FR929070 A FR 929070A FR 1351908 A FR1351908 A FR 1351908A
Authority
FR
France
Prior art keywords
development
cold cathode
discharge tubes
cathode discharge
tubes
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
FR929070A
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.)
Hivac Ltd
Original Assignee
Hivac Ltd
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
Priority claimed from GB11926/62A external-priority patent/GB967685A/en
Application filed by Hivac Ltd filed Critical Hivac Ltd
Priority to FR929070A priority Critical patent/FR1351908A/en
Application granted granted Critical
Publication of FR1351908A publication Critical patent/FR1351908A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/38—Exhausting, degassing, filling, or cleaning vessels
    • H01J9/395—Filling vessels
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/38—Cold-cathode tubes
    • H01J17/48—Cold-cathode tubes with more than one cathode or anode, e.g. sequence-discharge tube, counting tube, dekatron
    • H01J17/49—Display panels, e.g. with crossed electrodes, e.g. making use of direct current
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0069—Tubes for displaying characters

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR929070A 1962-03-28 1963-03-25 Development of cold cathode discharge tubes Expired FR1351908A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR929070A FR1351908A (en) 1962-03-28 1963-03-25 Development of cold cathode discharge tubes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB11926/62A GB967685A (en) 1962-03-28 1962-03-28 Improvements in or relating to gas discharge tubes
FR929070A FR1351908A (en) 1962-03-28 1963-03-25 Development of cold cathode discharge tubes

Publications (1)

Publication Number Publication Date
FR1351908A true FR1351908A (en) 1964-02-07

Family

ID=26200418

Family Applications (1)

Application Number Title Priority Date Filing Date
FR929070A Expired FR1351908A (en) 1962-03-28 1963-03-25 Development of cold cathode discharge tubes

Country Status (1)

Country Link
FR (1) FR1351908A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1258984B (en) * 1964-04-29 1968-01-18 Csf Process for generating a mercury vapor atmosphere in a tube

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1258984B (en) * 1964-04-29 1968-01-18 Csf Process for generating a mercury vapor atmosphere in a tube

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