FR760106A - Base for oxide-coated cathodes - Google Patents

Base for oxide-coated cathodes

Info

Publication number
FR760106A
FR760106A FR760106DA FR760106A FR 760106 A FR760106 A FR 760106A FR 760106D A FR760106D A FR 760106DA FR 760106 A FR760106 A FR 760106A
Authority
FR
France
Prior art keywords
oxide
base
coated cathodes
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Application granted granted Critical
Publication of FR760106A publication Critical patent/FR760106A/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
FR760106D 1932-09-01 1933-08-26 Base for oxide-coated cathodes Expired FR760106A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US141277XA 1932-09-01 1932-09-01

Publications (1)

Publication Number Publication Date
FR760106A true FR760106A (en) 1934-02-16

Family

ID=21763689

Family Applications (1)

Application Number Title Priority Date Filing Date
FR760106D Expired FR760106A (en) 1932-09-01 1933-08-26 Base for oxide-coated cathodes

Country Status (3)

Country Link
AT (1) AT141277B (en)
DE (1) DE635386C (en)
FR (1) FR760106A (en)

Families Citing this family (3)

* 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
DE967660C (en) * 1952-10-04 1957-12-05 Telefunken Gmbh Emission layer carrier for directly or indirectly heated oxide cathodes in electrical discharge tubes
DE1046201B (en) * 1955-04-18 1958-12-11 Philips Nv Filament for directly heated glow cathodes with an emission layer for battery tubes

Also Published As

Publication number Publication date
DE635386C (en) 1936-09-16
AT141277B (en) 1935-04-10

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