FR1229220A - Cathode pour tubes électroniques - Google Patents

Cathode pour tubes électroniques

Info

Publication number
FR1229220A
FR1229220A FR799051A FR799051A FR1229220A FR 1229220 A FR1229220 A FR 1229220A FR 799051 A FR799051 A FR 799051A FR 799051 A FR799051 A FR 799051A FR 1229220 A FR1229220 A FR 1229220A
Authority
FR
France
Prior art keywords
cathode
electron tubes
tubes
electron
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
FR799051A
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 AG
Original Assignee
Siemens and Halske AG
Siemens 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 Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR1229220A publication Critical patent/FR1229220A/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
    • H01J1/15—Cathodes heated directly by an electric current
    • H01J1/16—Cathodes heated directly by an electric current characterised by the shape
FR799051A 1958-07-01 1959-07-01 Cathode pour tubes électroniques Expired FR1229220A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE874631X 1958-07-01

Publications (1)

Publication Number Publication Date
FR1229220A true FR1229220A (fr) 1960-09-05

Family

ID=6816947

Family Applications (1)

Application Number Title Priority Date Filing Date
FR799051A Expired FR1229220A (fr) 1958-07-01 1959-07-01 Cathode pour tubes électroniques

Country Status (2)

Country Link
FR (1) FR1229220A (fr)
GB (1) GB874631A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3449616A (en) * 1965-07-20 1969-06-10 Thomson Houston Comp Francaise Tubular mesh cathode for high-power electronic tubes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3449616A (en) * 1965-07-20 1969-06-10 Thomson Houston Comp Francaise Tubular mesh cathode for high-power electronic tubes

Also Published As

Publication number Publication date
GB874631A (en) 1961-08-10

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