FR1074460A - Cathode pour tubes de décharge électriques - Google Patents

Cathode pour tubes de décharge électriques

Info

Publication number
FR1074460A
FR1074460A FR1074460DA FR1074460A FR 1074460 A FR1074460 A FR 1074460A FR 1074460D A FR1074460D A FR 1074460DA FR 1074460 A FR1074460 A FR 1074460A
Authority
FR
France
Prior art keywords
cathode
electrical discharge
discharge tubes
tubes
electrical
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
English (en)
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.)
Siemens and Halske AG
Siemens Corp
Original Assignee
Siemens and Halske AG
Siemens Corp
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 Siemens and Halske AG, Siemens Corp filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR1074460A publication Critical patent/FR1074460A/fr
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
    • H01J1/28—Dispenser-type cathodes, e.g. L-cathode
FR1074460D 1952-04-10 1953-04-10 Cathode pour tubes de décharge électriques Expired FR1074460A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE320913X 1952-04-10

Publications (1)

Publication Number Publication Date
FR1074460A true FR1074460A (fr) 1954-10-06

Family

ID=6158122

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1074460D Expired FR1074460A (fr) 1952-04-10 1953-04-10 Cathode pour tubes de décharge électriques

Country Status (2)

Country Link
CH (1) CH320913A (fr)
FR (1) FR1074460A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2821205A1 (fr) * 2001-02-19 2002-08-23 Thomson Tubes & Displays Canon a electrons a emission parasite reduite

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2821205A1 (fr) * 2001-02-19 2002-08-23 Thomson Tubes & Displays Canon a electrons a emission parasite reduite

Also Published As

Publication number Publication date
CH320913A (de) 1957-04-15

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