CH221451A - Cathode ray tube with directly heated cathode. - Google Patents

Cathode ray tube with directly heated cathode.

Info

Publication number
CH221451A
CH221451A CH221451DA CH221451A CH 221451 A CH221451 A CH 221451A CH 221451D A CH221451D A CH 221451DA CH 221451 A CH221451 A CH 221451A
Authority
CH
Switzerland
Prior art keywords
cathode
ray tube
directly heated
cathode ray
heated cathode
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellschaft C Lorenz
Original Assignee
Lorenz C Ag
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 Lorenz C Ag filed Critical Lorenz C Ag
Publication of CH221451A publication Critical patent/CH221451A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48—Electron guns
    • H01J29/484—Eliminating deleterious effects due to thermal effects, electrical or magnetic fields; Preventing unwanted emission
CH221451D 1940-11-30 1941-11-05 Cathode ray tube with directly heated cathode. CH221451A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE221451X 1940-11-30

Publications (1)

Publication Number Publication Date
CH221451A true CH221451A (en) 1942-05-31

Family

ID=5840104

Family Applications (1)

Application Number Title Priority Date Filing Date
CH221451D CH221451A (en) 1940-11-30 1941-11-05 Cathode ray tube with directly heated cathode.

Country Status (3)

Country Link
BE (1) BE443460A (en)
CH (1) CH221451A (en)
FR (1) FR877099A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1144405B (en) * 1930-07-02 1963-02-28 Philips Nv Electron beam tubes with magnetic focusing means outside and inside the vacuum space, in particular klystron or traveling wave tubes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1144405B (en) * 1930-07-02 1963-02-28 Philips Nv Electron beam tubes with magnetic focusing means outside and inside the vacuum space, in particular klystron or traveling wave tubes

Also Published As

Publication number Publication date
FR877099A (en) 1942-11-26
BE443460A (en)

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