GB379334A - Indirectly heated thermionic cathode - Google Patents

Indirectly heated thermionic cathode

Info

Publication number
GB379334A
GB379334A GB15325/31A GB1532531A GB379334A GB 379334 A GB379334 A GB 379334A GB 15325/31 A GB15325/31 A GB 15325/31A GB 1532531 A GB1532531 A GB 1532531A GB 379334 A GB379334 A GB 379334A
Authority
GB
United Kingdom
Prior art keywords
tube
base
tungsten
barium
wire
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
GB15325/31A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB379334A publication Critical patent/GB379334A/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)
  • Solid Thermionic Cathode (AREA)
GB15325/31A 1930-05-28 1931-05-26 Indirectly heated thermionic cathode Expired GB379334A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE379334X 1930-05-28

Publications (1)

Publication Number Publication Date
GB379334A true GB379334A (en) 1932-08-26

Family

ID=6344690

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15325/31A Expired GB379334A (en) 1930-05-28 1931-05-26 Indirectly heated thermionic cathode

Country Status (4)

Country Link
US (1) US2075122A (de)
BE (1) BE380140A (de)
FR (1) FR731971A (de)
GB (1) GB379334A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE760248C (de) * 1933-11-08 1953-10-19 Georg Seibt Nachf Dr Indirekt geheizte Kathode fuer Kathodenstrahlroehren

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2447038A (en) * 1945-10-31 1948-08-17 Raytheon Mfg Co Cathode structure
US2817784A (en) * 1951-01-31 1957-12-24 Siemens Ag Cathode for use in electrical discharge devices
JPH01279537A (ja) * 1988-04-30 1989-11-09 Futaba Corp 傍熱形線状陰極
US4925741A (en) * 1989-06-08 1990-05-15 Composite Materials Technology, Inc. Getter wire

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE760248C (de) * 1933-11-08 1953-10-19 Georg Seibt Nachf Dr Indirekt geheizte Kathode fuer Kathodenstrahlroehren

Also Published As

Publication number Publication date
FR731971A (fr) 1932-09-10
US2075122A (en) 1937-03-30
BE380140A (de)

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