GB243137A - Improvements in electric lamps, thermionic valves and the like - Google Patents

Improvements in electric lamps, thermionic valves and the like

Info

Publication number
GB243137A
GB243137A GB2541224A GB2541224A GB243137A GB 243137 A GB243137 A GB 243137A GB 2541224 A GB2541224 A GB 2541224A GB 2541224 A GB2541224 A GB 2541224A GB 243137 A GB243137 A GB 243137A
Authority
GB
United Kingdom
Prior art keywords
filament
electric lamps
thermionic valves
thermionic
valves
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
GB2541224A
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.)
RADIONS Ltd
Original Assignee
RADIONS 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 RADIONS Ltd filed Critical RADIONS Ltd
Priority to GB2541224A priority Critical patent/GB243137A/en
Publication of GB243137A publication Critical patent/GB243137A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/15—Cathodes heated directly by an electric current
    • H01J1/18—Supports; Vibration-damping arrangements

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)

Abstract

243,137. Rations, Ltd., and Osborn, H. J. Oct. 25, 1924. Filaments, supports for.-A spring support for the filament B comprises an approximately horizontal member a to which the filament is secured, and an approximately vertical member formed with a notch a<2>, Fig. 3, a slot a<3>, Fig. 6, or indicator marks a<4>, Fig. 7, within or across which the member a extends so that its position with respect thereto indicates the degree of tension applied to the filament.
GB2541224A 1924-10-25 1924-10-25 Improvements in electric lamps, thermionic valves and the like Expired GB243137A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2541224A GB243137A (en) 1924-10-25 1924-10-25 Improvements in electric lamps, thermionic valves and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2541224A GB243137A (en) 1924-10-25 1924-10-25 Improvements in electric lamps, thermionic valves and the like

Publications (1)

Publication Number Publication Date
GB243137A true GB243137A (en) 1925-11-26

Family

ID=10227244

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2541224A Expired GB243137A (en) 1924-10-25 1924-10-25 Improvements in electric lamps, thermionic valves and the like

Country Status (1)

Country Link
GB (1) GB243137A (en)

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