CH456776A - Direct heated cathode for electron tubes - Google Patents

Direct heated cathode for electron tubes

Info

Publication number
CH456776A
CH456776A CH555067A CH555067A CH456776A CH 456776 A CH456776 A CH 456776A CH 555067 A CH555067 A CH 555067A CH 555067 A CH555067 A CH 555067A CH 456776 A CH456776 A CH 456776A
Authority
CH
Switzerland
Prior art keywords
electron tubes
heated cathode
direct heated
direct
cathode
Prior art date
Application number
CH555067A
Other languages
French (fr)
Inventor
Gerlach Pierre
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 CH456776A publication Critical patent/CH456776A/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
    • H01J1/18—Supports; Vibration-damping arrangements
CH555067A 1966-05-18 1967-04-19 Direct heated cathode for electron tubes CH456776A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR61990A FR1490577A (en) 1966-05-18 1966-05-18 Cage-Shaped Direct Heating Cathode Improvements

Publications (1)

Publication Number Publication Date
CH456776A true CH456776A (en) 1968-07-31

Family

ID=8608894

Family Applications (1)

Application Number Title Priority Date Filing Date
CH555067A CH456776A (en) 1966-05-18 1967-04-19 Direct heated cathode for electron tubes

Country Status (6)

Country Link
US (1) US3473073A (en)
CH (1) CH456776A (en)
DE (1) DE1589608A1 (en)
FR (1) FR1490577A (en)
GB (1) GB1179731A (en)
NL (1) NL6705621A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3976909A (en) * 1975-07-11 1976-08-24 Rca Corporation Wire mesh cathode
SU1042105A1 (en) * 1980-02-05 1983-09-15 Организация П/Я Х-5263 Grid-type filamentary cathode for vacuum tubes and its manufacture method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL76656C (en) * 1949-05-06
GB709274A (en) * 1950-05-16 1954-05-19 Siemens Ag Improvements in or relating to cathodes for electric discharge tubes
US2928978A (en) * 1956-08-03 1960-03-15 Int Standard Electric Corp Mounting of thermionic cathodes
DE1146985B (en) * 1960-11-04 1963-04-11 Siemens Ag Semi-indirectly heated cathode for electron tubes
GB987461A (en) * 1962-05-31 1965-03-31 Standard Telephones Cables Ltd Thermionic valves
GB1017750A (en) * 1963-12-12 1966-01-19 Standard Telephones Cables Ltd Thermionic cathodes

Also Published As

Publication number Publication date
DE1589608A1 (en) 1970-05-14
FR1490577A (en) 1967-08-04
US3473073A (en) 1969-10-14
GB1179731A (en) 1970-01-28
NL6705621A (en) 1967-11-20

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