FR51285E - Discharge tube with cathode partially covered with an emissive layer, in particular with full cathode active only on one side - Google Patents

Discharge tube with cathode partially covered with an emissive layer, in particular with full cathode active only on one side

Info

Publication number
FR51285E
FR51285E FR51285DA FR51285E FR 51285 E FR51285 E FR 51285E FR 51285D A FR51285D A FR 51285DA FR 51285 E FR51285 E FR 51285E
Authority
FR
France
Prior art keywords
cathode
discharge tube
partially covered
emissive layer
full
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alcatel Lucent Deutschland AG
C Lorenz AG
Original Assignee
Standard Elektrik Lorenz AG
C Lorenz 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 Standard Elektrik Lorenz AG, C Lorenz AG filed Critical Standard Elektrik Lorenz AG
Application granted granted Critical
Publication of FR51285E publication Critical patent/FR51285E/en
Expired legal-status Critical Current

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
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
FR51285D 1939-10-26 1940-12-27 Discharge tube with cathode partially covered with an emissive layer, in particular with full cathode active only on one side Expired FR51285E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE220443X 1939-10-26
CH213668T 1940-08-22

Publications (1)

Publication Number Publication Date
FR51285E true FR51285E (en) 1942-02-18

Family

ID=25725471

Family Applications (1)

Application Number Title Priority Date Filing Date
FR51285D Expired FR51285E (en) 1939-10-26 1940-12-27 Discharge tube with cathode partially covered with an emissive layer, in particular with full cathode active only on one side

Country Status (2)

Country Link
CH (1) CH220443A (en)
FR (1) FR51285E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE857537C (en) * 1942-07-17 1952-12-01 Telefunken Gmbh Electric discharge tubes with indirectly heated cathode

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE857537C (en) * 1942-07-17 1952-12-01 Telefunken Gmbh Electric discharge tubes with indirectly heated cathode

Also Published As

Publication number Publication date
CH220443A (en) 1942-03-31

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