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CH240060A - Cathode ray tube with wear-free cold cathode. - Google Patents

Cathode ray tube with wear-free cold cathode.

Info

Publication number
CH240060A
CH240060A CH240060DA CH240060A CH 240060 A CH240060 A CH 240060A CH 240060D A CH240060D A CH 240060DA CH 240060 A CH240060 A CH 240060A
Authority
CH
Switzerland
Prior art keywords
wear
cathode
ray tube
free cold
cathode ray
Prior art date
Application number
Other languages
German (de)
Inventor
Ag Trueb Taeuber Co
Original Assignee
Trueb Taeuber & Co 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 Trueb Taeuber & Co Ag filed Critical Trueb Taeuber & Co Ag
Publication of CH240060A publication Critical patent/CH240060A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02—Electron guns
    • H01J3/021—Electron guns using a field emission, photo emission, or secondary emission electron source
CH240060D 1943-11-08 1943-11-08 Cathode ray tube with wear-free cold cathode. CH240060A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH603088X 1943-11-08

Publications (1)

Publication Number Publication Date
CH240060A true CH240060A (en) 1945-11-30

Family

ID=4522865

Family Applications (1)

Application Number Title Priority Date Filing Date
CH240060D CH240060A (en) 1943-11-08 1943-11-08 Cathode ray tube with wear-free cold cathode.

Country Status (4)

Country Link
CH (1) CH240060A (en)
FR (1) FR933439A (en)
GB (1) GB603088A (en)
NL (1) NL67662C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1108337B (en) * 1957-01-31 1961-06-08 Trueb Taeubner & Co A G Cold cathode electron gun

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3485897T2 (en) * 1983-12-20 1993-01-07 Eev Ltd ELECTRONIC RADIATOR.
GB2153140B (en) * 1983-12-20 1988-08-03 English Electric Valve Co Ltd Apparatus for forming electron beams
CN116190178B (en) * 2023-04-20 2023-06-23 能量奇点能源科技(上海)有限公司 Cold cathode electron gun

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1108337B (en) * 1957-01-31 1961-06-08 Trueb Taeubner & Co A G Cold cathode electron gun

Also Published As

Publication number Publication date
NL67662C (en)
GB603088A (en) 1948-06-09
FR933439A (en) 1948-04-20

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