FR760106A - Base for oxide-coated cathodes - Google Patents
Base for oxide-coated cathodesInfo
- 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
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
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)
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 |
-
1933
- 1933-08-19 DE DER88589D patent/DE635386C/en not_active Expired
- 1933-08-26 FR FR760106D patent/FR760106A/en not_active Expired
- 1933-08-30 AT AT141277D patent/AT141277B/en active
Also Published As
Publication number | Publication date |
---|---|
AT141277B (en) | 1935-04-10 |
DE635386C (en) | 1936-09-16 |
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