GB333831A - Improvements in or relating to thermionic valves - Google Patents

Improvements in or relating to thermionic valves

Info

Publication number
GB333831A
GB333831A GB34723/29A GB3472329A GB333831A GB 333831 A GB333831 A GB 333831A GB 34723/29 A GB34723/29 A GB 34723/29A GB 3472329 A GB3472329 A GB 3472329A GB 333831 A GB333831 A GB 333831A
Authority
GB
United Kingdom
Prior art keywords
box
pads
heated
insulation
relating
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
GB34723/29A
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.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
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 Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Publication of GB333831A publication Critical patent/GB333831A/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
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment

Landscapes

  • Microwave Tubes (AREA)
  • Resistance Heating (AREA)
GB34723/29A 1928-11-19 1929-11-13 Improvements in or relating to thermionic valves Expired GB333831A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE333831X 1928-11-19

Publications (1)

Publication Number Publication Date
GB333831A true GB333831A (en) 1930-08-21

Family

ID=6212443

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34723/29A Expired GB333831A (en) 1928-11-19 1929-11-13 Improvements in or relating to thermionic valves

Country Status (4)

Country Link
AT (1) AT124418B (enrdf_load_stackoverflow)
FR (1) FR684985A (enrdf_load_stackoverflow)
GB (1) GB333831A (enrdf_load_stackoverflow)
NL (1) NL27630C (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE751159C (de) * 1933-08-02 1953-02-02 Emi Ltd Entladungsroehre mit mindestens folgenden Elektroden: einer Kathode, einem Steuergitter, einer Anode und einem Schirmgitter zwischen Anode und Steuergitter, zwischen deren Schirmgitter und Anode sich eine Bremsraumladung ausbilden soll

Also Published As

Publication number Publication date
AT124418B (de) 1931-09-10
NL27630C (enrdf_load_stackoverflow)
FR684985A (fr) 1930-07-03

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