FR795162A - Cathode thermionique - Google Patents

Cathode thermionique

Info

Publication number
FR795162A
FR795162A FR795162DA FR795162A FR 795162 A FR795162 A FR 795162A FR 795162D A FR795162D A FR 795162DA FR 795162 A FR795162 A FR 795162A
Authority
FR
France
Prior art keywords
thermionic cathode
thermionic
cathode
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.)
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
Application granted granted Critical
Publication of FR795162A publication Critical patent/FR795162A/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
    • H01J1/14—Solid thermionic cathodes characterised by the material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/067—Main electrodes for low-pressure discharge lamps
    • H01J61/0675—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode
    • H01J61/0677—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material
FR795162D 1934-09-25 1935-09-23 Cathode thermionique Expired FR795162A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US467248XA 1934-09-25 1934-09-25

Publications (1)

Publication Number Publication Date
FR795162A true FR795162A (fr) 1936-03-07

Family

ID=21945030

Family Applications (1)

Application Number Title Priority Date Filing Date
FR795162D Expired FR795162A (fr) 1934-09-25 1935-09-23 Cathode thermionique

Country Status (2)

Country Link
FR (1) FR795162A (fr)
GB (1) GB467248A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2477279A (en) * 1946-09-11 1949-07-26 Hanovia Chemical & Mfg Co Electrical discharge device

Also Published As

Publication number Publication date
GB467248A (en) 1937-06-14

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