FR938657A - Improvements to electrical circuits - Google Patents

Improvements to electrical circuits

Info

Publication number
FR938657A
FR938657A FR938657DA FR938657A FR 938657 A FR938657 A FR 938657A FR 938657D A FR938657D A FR 938657DA FR 938657 A FR938657 A FR 938657A
Authority
FR
France
Prior art keywords
electrical circuits
circuits
electrical
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 Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR938657A publication Critical patent/FR938657A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J13/00—Discharge tubes with liquid-pool cathodes, e.g. metal-vapour rectifying tubes
    • H01J13/02—Details
    • H01J13/34—Igniting arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J13/00—Discharge tubes with liquid-pool cathodes, e.g. metal-vapour rectifying tubes
    • H01J13/02—Details
    • H01J13/48—Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0072—Disassembly or repair of discharge tubes
    • H01J2893/0073—Discharge tubes with liquid poolcathodes; constructional details
    • H01J2893/0074—Cathodic cups; Screens; Reflectors; Filters; Windows; Protection against mercury deposition; Returning condensed electrode material to the cathodic cup; Liquid electrode level control
    • H01J2893/0087—Igniting means; Cathode spot maintaining or extinguishing means
FR938657D 1942-11-23 1946-10-18 Improvements to electrical circuits Expired FR938657A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US938657XA 1942-11-23 1942-11-23

Publications (1)

Publication Number Publication Date
FR938657A true FR938657A (en) 1948-10-21

Family

ID=22241344

Family Applications (1)

Application Number Title Priority Date Filing Date
FR938657D Expired FR938657A (en) 1942-11-23 1946-10-18 Improvements to electrical circuits

Country Status (1)

Country Link
FR (1) FR938657A (en)

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