GB676862A - Improvements in shells or casings on vacuum electric discharge tubes - Google Patents

Improvements in shells or casings on vacuum electric discharge tubes

Info

Publication number
GB676862A
GB676862A GB444245A GB444245A GB676862A GB 676862 A GB676862 A GB 676862A GB 444245 A GB444245 A GB 444245A GB 444245 A GB444245 A GB 444245A GB 676862 A GB676862 A GB 676862A
Authority
GB
United Kingdom
Prior art keywords
bulb
nodules
shell
base
electric discharge
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
GB444245A
Other languages
English (en)
Inventor
Ernest Yeoman Robinson
John Kay
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.)
Edison Swan Electric Co Ltd
Original Assignee
Edison Swan Electric 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
Priority to FR937448D priority Critical patent/FR937448A/fr
Application filed by Edison Swan Electric Co Ltd filed Critical Edison Swan Electric Co Ltd
Priority to GB444245A priority patent/GB676862A/en
Publication of GB676862A publication Critical patent/GB676862A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/02—Vessels; Containers; Shields associated therewith; Vacuum locks
    • H01J5/12—Double-wall vessels or containers

Landscapes

  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
GB444245A 1945-02-22 1945-02-22 Improvements in shells or casings on vacuum electric discharge tubes Expired GB676862A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR937448D FR937448A (fr) 1945-02-22
GB444245A GB676862A (en) 1945-02-22 1945-02-22 Improvements in shells or casings on vacuum electric discharge tubes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB444245A GB676862A (en) 1945-02-22 1945-02-22 Improvements in shells or casings on vacuum electric discharge tubes

Publications (1)

Publication Number Publication Date
GB676862A true GB676862A (en) 1952-08-06

Family

ID=9777248

Family Applications (1)

Application Number Title Priority Date Filing Date
GB444245A Expired GB676862A (en) 1945-02-22 1945-02-22 Improvements in shells or casings on vacuum electric discharge tubes

Country Status (2)

Country Link
FR (1) FR937448A (fr)
GB (1) GB676862A (fr)

Also Published As

Publication number Publication date
FR937448A (fr) 1948-08-31

Similar Documents

Publication Publication Date Title
US2339663A (en) Vacuum condenser
US2397982A (en) Spark gap tube
US2030187A (en) Short wave tube
GB1378780A (en) Base structures for electric lamps
US2325817A (en) Contact member and electrical device
US2345794A (en) Electron discharge tube structure
GB676862A (en) Improvements in shells or casings on vacuum electric discharge tubes
US2359769A (en) Electron discharge device
US2372037A (en) Thermionic device and means and method of fabrication
US2664551A (en) Lamp base end contact
US2896187A (en) Lamp base
US2401228A (en) Base for electric lamps and similar devices
US1716930A (en) Terminal for space current devices
ES448545A1 (es) Perfeccionamientos en componentes semiconductores goberna- bles.
US2431337A (en) Electron discharge device for high frequency
US2444278A (en) Adapter for electric lamps
US4127755A (en) Vacuum switch tube
US2431767A (en) Electrode mounting in electron discharge tube
US2217418A (en) Electric discharge tube
GB918753A (en) Improvements relating to electric lamps
US2422828A (en) Thermionic tube
US2042143A (en) Enveloe for electric discharge devices
US2453978A (en) Electrode structure
US2948827A (en) Electric discharge device
US2108519A (en) Stem assembly for electron discharge devices