GB344844A - An improved cathode for high vacuum discharge vessels - Google Patents

An improved cathode for high vacuum discharge vessels

Info

Publication number
GB344844A
GB344844A GB36927/29A GB3692729A GB344844A GB 344844 A GB344844 A GB 344844A GB 36927/29 A GB36927/29 A GB 36927/29A GB 3692729 A GB3692729 A GB 3692729A GB 344844 A GB344844 A GB 344844A
Authority
GB
United Kingdom
Prior art keywords
filament
class
valves
cathode
dec
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
GB36927/29A
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.)
Siemens and Halske AG
Siemens Corp
Original Assignee
Siemens and Halske AG
Siemens Corp
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 Siemens and Halske AG, Siemens Corp filed Critical Siemens and Halske AG
Publication of GB344844A publication Critical patent/GB344844A/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

Landscapes

  • Discharge Lamp (AREA)
GB36927/29A 1928-12-03 1929-12-02 An improved cathode for high vacuum discharge vessels Expired GB344844A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE344844X 1928-12-03

Publications (1)

Publication Number Publication Date
GB344844A true GB344844A (en) 1931-03-02

Family

ID=6254230

Family Applications (1)

Application Number Title Priority Date Filing Date
GB36927/29A Expired GB344844A (en) 1928-12-03 1929-12-02 An improved cathode for high vacuum discharge vessels

Country Status (3)

Country Link
FR (1) FR685902A (enrdf_load_stackoverflow)
GB (1) GB344844A (enrdf_load_stackoverflow)
NL (1) NL28296C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR685902A (fr) 1930-07-18
NL28296C (enrdf_load_stackoverflow) 1932-11-15

Similar Documents

Publication Publication Date Title
GB346957A (en) Improvements in and relating to electron discharge devices
GB344844A (en) An improved cathode for high vacuum discharge vessels
GB794333A (en) Velocity modulated electron tubes
GB426760A (en) Improvements in or relating to thermionic valves and other electron discharge devices
US1910557A (en) Electrode gas removal method and apparatus
GB603088A (en) Improvements in electrical discharge tubes
GB444775A (en) Improvements in and relating to cathode ray tubes
GB406611A (en) Improvements in luminous electric discharge tubes
GB440196A (en) Improvements in and relating to electric discharge devices
GB500017A (en) Improvements in cathode ray tubes
GB566542A (en) Improvements in high frequency electronic discharge devices
GB170834A (en) Improvements in and relating to electron discharge devices
GB301855A (en) Improvements in or relating to electronic discharge bulbs
GB382520A (en) Improvements relating to electron discharge tubes
GB184506A (en) Improvements in and relating to electron discharge devices
GB164175A (en) Improvements in or relating to electron discharge devices
GB147148A (en) Improvements in and relating to electron discharge devices
GB438961A (en) Improvements in ionic amplifier
GB310903A (en) Improvements in thermionic valves
GB506390A (en) Improvements in or relating to cathode ray indicator tubes
GB279899A (en) Push-pull connection for thermionic and like valves
GB395660A (en) Improvements in and relating to electric discharge devices
GB1438502A (en) Field emission electron sources
GB542104A (en) Improvements in electric discharge devices of the cathode ray type
GB229634A (en) Improvements in electron discharge devices