FR74593E - Improvements to indirectly heated cathodes - Google Patents

Improvements to indirectly heated cathodes

Info

Publication number
FR74593E
FR74593E FR780894A FR780894A FR74593E FR 74593 E FR74593 E FR 74593E FR 780894 A FR780894 A FR 780894A FR 780894 A FR780894 A FR 780894A FR 74593 E FR74593 E FR 74593E
Authority
FR
France
Prior art keywords
indirectly heated
heated cathodes
cathodes
indirectly
heated
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
FR780894A
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Priority to FR780894A priority Critical patent/FR74593E/en
Application granted granted Critical
Publication of FR74593E publication Critical patent/FR74593E/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
    • H01J1/22—Heaters
FR780894A 1958-12-05 1958-12-05 Improvements to indirectly heated cathodes Expired FR74593E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR780894A FR74593E (en) 1958-12-05 1958-12-05 Improvements to indirectly heated cathodes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR780894A FR74593E (en) 1958-12-05 1958-12-05 Improvements to indirectly heated cathodes

Publications (1)

Publication Number Publication Date
FR74593E true FR74593E (en) 1960-12-19

Family

ID=8708956

Family Applications (1)

Application Number Title Priority Date Filing Date
FR780894A Expired FR74593E (en) 1958-12-05 1958-12-05 Improvements to indirectly heated cathodes

Country Status (1)

Country Link
FR (1) FR74593E (en)

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