GB296415A - Electron valve with indirectly heated cathode - Google Patents

Electron valve with indirectly heated cathode

Info

Publication number
GB296415A
GB296415A GB25034/28A GB2503428A GB296415A GB 296415 A GB296415 A GB 296415A GB 25034/28 A GB25034/28 A GB 25034/28A GB 2503428 A GB2503428 A GB 2503428A GB 296415 A GB296415 A GB 296415A
Authority
GB
United Kingdom
Prior art keywords
tube
indirectly heated
heated cathode
electron valve
cathode
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
GB25034/28A
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.)
EDGAR ROEMHILD
Original Assignee
EDGAR ROEMHILD
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 EDGAR ROEMHILD filed Critical EDGAR ROEMHILD
Publication of GB296415A publication Critical patent/GB296415A/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

  • Electron Sources, Ion Sources (AREA)
  • Microwave Tubes (AREA)
GB25034/28A 1927-08-31 1928-08-31 Electron valve with indirectly heated cathode Expired GB296415A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE296415X 1927-08-31

Publications (1)

Publication Number Publication Date
GB296415A true GB296415A (en) 1929-08-01

Family

ID=6090372

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25034/28A Expired GB296415A (en) 1927-08-31 1928-08-31 Electron valve with indirectly heated cathode

Country Status (4)

Country Link
US (1) US1893953A (enrdf_load_stackoverflow)
FR (1) FR659799A (enrdf_load_stackoverflow)
GB (1) GB296415A (enrdf_load_stackoverflow)
NL (1) NL26845C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR659799A (fr) 1929-07-03
US1893953A (en) 1933-01-10
NL26845C (enrdf_load_stackoverflow)

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