GB484986A - Improvements in and relating to electric valve circuits - Google Patents

Improvements in and relating to electric valve circuits

Info

Publication number
GB484986A
GB484986A GB30533/36A GB3053336A GB484986A GB 484986 A GB484986 A GB 484986A GB 30533/36 A GB30533/36 A GB 30533/36A GB 3053336 A GB3053336 A GB 3053336A GB 484986 A GB484986 A GB 484986A
Authority
GB
United Kingdom
Prior art keywords
relating
electric valve
valve circuits
circuits
electric
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
GB30533/36A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co 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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB484986A publication Critical patent/GB484986A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J13/00Discharge tubes with liquid-pool cathodes, e.g. metal-vapour rectifying tubes
    • H01J13/02Details
    • H01J13/48Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00Discharge tubes and lamps
    • H01J2893/0072Disassembly or repair of discharge tubes
    • H01J2893/0073Discharge tubes with liquid poolcathodes; constructional details
    • H01J2893/0074Cathodic cups; Screens; Reflectors; Filters; Windows; Protection against mercury deposition; Returning condensed electrode material to the cathodic cup; Liquid electrode level control
    • H01J2893/0087Igniting means; Cathode spot maintaining or extinguishing means
GB30533/36A 1935-11-08 1936-11-09 Improvements in and relating to electric valve circuits Expired GB484986A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US484986XA 1935-11-08 1935-11-08

Publications (1)

Publication Number Publication Date
GB484986A true GB484986A (en) 1938-05-09

Family

ID=21954906

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30533/36A Expired GB484986A (en) 1935-11-08 1936-11-09 Improvements in and relating to electric valve circuits

Country Status (1)

Country Link
GB (1) GB484986A (en)

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