FR1398312A - Luminous corona indicating device - Google Patents

Luminous corona indicating device

Info

Publication number
FR1398312A
FR1398312A FR977555A FR977555A FR1398312A FR 1398312 A FR1398312 A FR 1398312A FR 977555 A FR977555 A FR 977555A FR 977555 A FR977555 A FR 977555A FR 1398312 A FR1398312 A FR 1398312A
Authority
FR
France
Prior art keywords
indicating device
corona
luminous
luminous corona
indicating
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
FR977555A
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to FR977555A priority Critical patent/FR1398312A/en
Application granted granted Critical
Publication of FR1398312A publication Critical patent/FR1398312A/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
    • 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
    • H01J17/40—Cold-cathode tubes with one cathode and one anode, e.g. glow tubes, tuning-indicator glow tubes, voltage-stabiliser tubes, voltage-indicator tubes
    • H01J17/44—Cold-cathode tubes with one cathode and one anode, e.g. glow tubes, tuning-indicator glow tubes, voltage-stabiliser tubes, voltage-indicator tubes having one or more control electrodes
    • 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
    • H01J2893/0068—Electrode systems electrode assembly with control electrodes, e.g. including a screen
FR977555A 1964-06-09 1964-06-09 Luminous corona indicating device Expired FR1398312A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR977555A FR1398312A (en) 1964-06-09 1964-06-09 Luminous corona indicating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR977555A FR1398312A (en) 1964-06-09 1964-06-09 Luminous corona indicating device

Publications (1)

Publication Number Publication Date
FR1398312A true FR1398312A (en) 1965-05-07

Family

ID=8831931

Family Applications (1)

Application Number Title Priority Date Filing Date
FR977555A Expired FR1398312A (en) 1964-06-09 1964-06-09 Luminous corona indicating device

Country Status (1)

Country Link
FR (1) FR1398312A (en)

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