FR49587E - - Google Patents

Info

Publication number
FR49587E
FR49587E FR49587DA FR49587E FR 49587 E FR49587 E FR 49587E FR 49587D A FR49587D A FR 49587DA FR 49587 E FR49587 E FR 49587E
Authority
FR
France
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)
Publication date
Application granted granted Critical
Publication of FR49587E publication Critical patent/FR49587E/fr
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
FR49587D Expired FR49587E (cg-RX-API-DMAC7.html)

Publications (1)

Publication Number Publication Date
FR49587E true FR49587E (cg-RX-API-DMAC7.html) 1939-05-11

Family

ID=1363229

Family Applications (1)

Application Number Title Priority Date Filing Date
FR49587D Expired FR49587E (cg-RX-API-DMAC7.html)

Country Status (1)

Country Link
FR (1) FR49587E (cg-RX-API-DMAC7.html)

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