CH221452A - Direkt geheizte Kathode, insbesondere für Kathodenstrahlröhren. - Google Patents

Direkt geheizte Kathode, insbesondere für Kathodenstrahlröhren.

Info

Publication number
CH221452A
CH221452A CH221452DA CH221452A CH 221452 A CH221452 A CH 221452A CH 221452D A CH221452D A CH 221452DA CH 221452 A CH221452 A CH 221452A
Authority
CH
Switzerland
Prior art keywords
cathode
ray tubes
directly heated
cathode ray
heated cathode
Prior art date
Application number
Other languages
German (de)
English (en)
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 CH221452A publication Critical patent/CH221452A/de

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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H29/00—Switches having at least one liquid contact
    • H01H29/20—Switches having at least one liquid contact operated by tilting contact-liquid container
    • H01H29/24—Switches having at least one liquid contact operated by tilting contact-liquid container wherein contact is made and broken between liquid and liquid
CH221452D 1940-11-30 1941-11-05 Direkt geheizte Kathode, insbesondere für Kathodenstrahlröhren. CH221452A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE221452X 1940-11-30

Publications (1)

Publication Number Publication Date
CH221452A true CH221452A (de) 1942-05-31

Family

ID=5840105

Family Applications (2)

Application Number Title Priority Date Filing Date
CH221452D CH221452A (de) 1940-11-30 1941-11-05 Direkt geheizte Kathode, insbesondere für Kathodenstrahlröhren.
CH221453D CH221453A (de) 1940-11-30 1941-11-06 Relais mit Quecksilberschaltröhre.

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH221453D CH221453A (de) 1940-11-30 1941-11-06 Relais mit Quecksilberschaltröhre.

Country Status (4)

Country Link
BE (1) BE443461A (xx)
CH (2) CH221452A (xx)
FR (1) FR877100A (xx)
NL (1) NL58905C (xx)

Also Published As

Publication number Publication date
CH221453A (de) 1942-05-31
BE443461A (xx)
NL58905C (xx)
FR877100A (fr) 1942-11-26

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