FR750898A - Thermionic cathodes, oxide coated - Google Patents

Thermionic cathodes, oxide coated

Info

Publication number
FR750898A
FR750898A FR750898DA FR750898A FR 750898 A FR750898 A FR 750898A FR 750898D A FR750898D A FR 750898DA FR 750898 A FR750898 A FR 750898A
Authority
FR
France
Prior art keywords
oxide coated
thermionic cathodes
thermionic
cathodes
coated
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
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.)
MO Valve Co Ltd
Original Assignee
MO Valve Co Ltd
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 MO Valve Co Ltd filed Critical MO Valve Co Ltd
Application granted granted Critical
Publication of FR750898A publication Critical patent/FR750898A/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
    • H01J1/14—Solid thermionic cathodes characterised by the material
FR750898D 1932-02-16 1933-02-16 Thermionic cathodes, oxide coated Expired FR750898A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4585/32A GB397132A (en) 1932-02-16 1932-02-16 Improvements in oxide coated thermionic cathodes

Publications (1)

Publication Number Publication Date
FR750898A true FR750898A (en) 1933-08-21

Family

ID=9779939

Family Applications (1)

Application Number Title Priority Date Filing Date
FR750898D Expired FR750898A (en) 1932-02-16 1933-02-16 Thermionic cathodes, oxide coated

Country Status (3)

Country Link
BE (1) BE394417A (en)
FR (1) FR750898A (en)
GB (1) GB397132A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE889812C (en) * 1941-03-14 1953-09-14 Telefunken Gmbh Incandescent cathode for electric discharge tubes

Also Published As

Publication number Publication date
GB397132A (en) 1933-08-16
BE394417A (en)

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