CH327481A - Directly heated cylindrical cathode - Google Patents

Directly heated cylindrical cathode

Info

Publication number
CH327481A
CH327481A CH327481DA CH327481A CH 327481 A CH327481 A CH 327481A CH 327481D A CH327481D A CH 327481DA CH 327481 A CH327481 A CH 327481A
Authority
CH
Switzerland
Prior art keywords
directly heated
cylindrical cathode
heated cylindrical
cathode
directly
Prior art date
Application number
Other languages
French (fr)
Inventor
Beurtheret Charles
Original Assignee
Thomson Houston Comp Francaise
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 Thomson Houston Comp Francaise filed Critical Thomson Houston Comp Francaise
Publication of CH327481A publication Critical patent/CH327481A/en

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
    • H01J1/16—Cathodes heated directly by an electric current characterised by the shape
CH327481D 1952-03-28 1953-03-28 Directly heated cylindrical cathode CH327481A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1034276X 1952-03-28

Publications (1)

Publication Number Publication Date
CH327481A true CH327481A (en) 1958-01-31

Family

ID=9585003

Family Applications (1)

Application Number Title Priority Date Filing Date
CH327481D CH327481A (en) 1952-03-28 1953-03-28 Directly heated cylindrical cathode

Country Status (4)

Country Link
CH (1) CH327481A (en)
DE (1) DE1034276B (en)
FR (1) FR1053139A (en)
GB (1) GB736542A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1455956A (en) * 1965-07-20 1966-05-20 Thomson Houston Comp Francaise Direct heating cathode improvements

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2385973A (en) * 1942-08-24 1945-10-02 Eitel Mccullough Inc Apparatus for making grids
US2358200A (en) * 1943-10-02 1944-09-12 Gen Electric X Ray Corp Grid assembly structure
FR911302A (en) * 1945-01-11 1946-07-04 Radioelectriques S A Lab Improvements to electronic tubes
US2457626A (en) * 1945-07-03 1948-12-28 Gen Electric X Ray Corp Grid construction
NL86395C (en) * 1950-05-17
DE863830C (en) * 1950-05-17 1953-01-19 Siemens Ag Cathode for electron tubes
DE857100C (en) * 1950-06-30 1952-11-27 Siemens Ag Fastening of heating threads, especially in the case of high-performance discharge tubes
DE839235C (en) * 1950-08-20 1952-05-19 Siemens Ag Electron tubes, in particular transmitter tubes

Also Published As

Publication number Publication date
FR1053139A (en) 1954-02-01
DE1034276B (en) 1958-07-17
GB736542A (en) 1955-09-07

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