GB319245A - - Google Patents

Info

Publication number
GB319245A
GB319245A GB28319/29A GB2831929A GB319245A GB 319245 A GB319245 A GB 319245A GB 28319/29 A GB28319/29 A GB 28319/29A GB 2831929 A GB2831929 A GB 2831929A GB 319245 A GB319245 A GB 319245A
Authority
GB
United Kingdom
Prior art keywords
supported
filament
stem
loop
grid
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
GB28319/29A
Other languages
English (en)
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 GB319245A publication Critical patent/GB319245A/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

  • Microwave Amplifiers (AREA)
GB28319/29A 1928-09-18 1929-09-18 Expired GB319245A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US319245TA 1928-09-18 1928-09-18

Publications (1)

Publication Number Publication Date
GB319245A true GB319245A (enrdf_load_stackoverflow) 1930-09-25

Family

ID=31945921

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28319/29A Expired GB319245A (enrdf_load_stackoverflow) 1928-09-18 1929-09-18

Country Status (4)

Country Link
BE (1) BE363827A (enrdf_load_stackoverflow)
FR (1) FR681933A (enrdf_load_stackoverflow)
GB (1) GB319245A (enrdf_load_stackoverflow)
NL (1) NL25564C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR681933A (fr) 1930-05-21
BE363827A (enrdf_load_stackoverflow)
NL25564C (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
GB546543A (en) Improvements relating to vacuum electric discharge devices
US1657208A (en) Vacuum tube
GB319245A (enrdf_load_stackoverflow)
GB440094A (en) Improvements in or relating to electron emitters for electron discharge devices
US2152830A (en) Tube for short waves
GB187261A (en) Improvements in thermionic devices
GB319208A (en) Electron discharge apparatus
GB477787A (en) Electric discharge tube
US1762960A (en) Duplex electron-discharge device
US2415930A (en) Electrode mounting for electron discharge devices
GB235904A (en) Apparatus for use in installations for amplifying electric oscillations by means of discharge tubes
GB242662A (en) Improvements in electrodes for electron discharge devices
GB289422A (en) Improvements in vacuum tubes
GB217647A (en) Improvements in or relating to vacuum electric tube devices
GB354059A (enrdf_load_stackoverflow)
GB817908A (en) Improvements in or relating to electrical devices and terminal caps therefor
GB194279A (en) Improvements in and relating to electron discharge devices
GB332071A (en) Improvements in thermionic valves
GB170096A (en) Improvements in and relating to thermionic valves
GB264031A (en) Improvements in or relating to thermionic valves for wireless reception or transmission
GB400648A (en) Improvements in and relating to electron discharge devices
GB235553A (en) Improvements in electron discharge apparatus
GB424912A (en) Improvements in and relating to thermionic cathodes
GB299853A (en) Improvements in vacuum electric tube devices
GB306513A (en) Improvements in cathodes for electron discharge devices