FR1381553A - Improvements to electronic tubes - Google Patents

Improvements to electronic tubes

Info

Publication number
FR1381553A
FR1381553A FR952427A FR952427A FR1381553A FR 1381553 A FR1381553 A FR 1381553A FR 952427 A FR952427 A FR 952427A FR 952427 A FR952427 A FR 952427A FR 1381553 A FR1381553 A FR 1381553A
Authority
FR
France
Prior art keywords
electronic tubes
tubes
electronic
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
FR952427A
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
Priority claimed from US234365A external-priority patent/US3243637A/en
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Priority to FR952427A priority Critical patent/FR1381553A/en
Application granted granted Critical
Publication of FR1381553A publication Critical patent/FR1381553A/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
    • H01J1/28—Dispenser-type cathodes, e.g. L-cathode
FR952427A 1962-10-31 1963-10-31 Improvements to electronic tubes Expired FR1381553A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR952427A FR1381553A (en) 1962-10-31 1963-10-31 Improvements to electronic tubes

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US234365A US3243637A (en) 1962-10-31 1962-10-31 Dispenser cathode
US234366A US3243638A (en) 1962-10-31 1962-10-31 Dispenser cathode
FR952427A FR1381553A (en) 1962-10-31 1963-10-31 Improvements to electronic tubes

Publications (1)

Publication Number Publication Date
FR1381553A true FR1381553A (en) 1964-12-14

Family

ID=27247566

Family Applications (1)

Application Number Title Priority Date Filing Date
FR952427A Expired FR1381553A (en) 1962-10-31 1963-10-31 Improvements to electronic tubes

Country Status (1)

Country Link
FR (1) FR1381553A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0005279A2 (en) * 1978-05-05 1979-11-14 BBC Aktiengesellschaft Brown, Boveri & Cie. Hot cathode
FR2425144A1 (en) * 1978-05-05 1979-11-30 Bbc Brown Boveri & Cie MATERIAL FOR INCANDESCENT CATHODE

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0005279A2 (en) * 1978-05-05 1979-11-14 BBC Aktiengesellschaft Brown, Boveri & Cie. Hot cathode
FR2425144A1 (en) * 1978-05-05 1979-11-30 Bbc Brown Boveri & Cie MATERIAL FOR INCANDESCENT CATHODE
EP0005279A3 (en) * 1978-05-05 1979-12-12 Bbc Brown, Boveri & Cie. (Aktiengesellschaft) Hot cathode

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