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CH206834A - High vacuum cathode ray tube with a large depth of field of the electron optical system. - Google Patents

High vacuum cathode ray tube with a large depth of field of the electron optical system.

Info

Publication number
CH206834A
CH206834A CH206834DA CH206834A CH 206834 A CH206834 A CH 206834A CH 206834D A CH206834D A CH 206834DA CH 206834 A CH206834 A CH 206834A
Authority
CH
Switzerland
Prior art keywords
optical system
field
ray tube
cathode ray
high vacuum
Prior art date
Application number
Other languages
German (de)
Inventor
Akt-Ges Fernseh
Original Assignee
Fernseh 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 Fernseh Ag filed Critical Fernseh Ag
Publication of CH206834A publication Critical patent/CH206834A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
    • H01J31/12—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen
CH206834D 1937-08-06 1938-08-02 High vacuum cathode ray tube with a large depth of field of the electron optical system. CH206834A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE206834X 1937-08-06

Publications (1)

Publication Number Publication Date
CH206834A true CH206834A (en) 1939-08-31

Family

ID=5793370

Family Applications (1)

Application Number Title Priority Date Filing Date
CH206834D CH206834A (en) 1937-08-06 1938-08-02 High vacuum cathode ray tube with a large depth of field of the electron optical system.

Country Status (2)

Country Link
CH (1) CH206834A (en)
FR (1) FR841796A (en)

Also Published As

Publication number Publication date
FR841796A (en) 1939-05-26

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