FR872405A - Perfectionnements aux cathodes thoriées - Google Patents
Perfectionnements aux cathodes thoriéesInfo
- Publication number
- FR872405A FR872405A FR872405DA FR872405A FR 872405 A FR872405 A FR 872405A FR 872405D A FR872405D A FR 872405DA FR 872405 A FR872405 A FR 872405A
- Authority
- FR
- France
- Prior art keywords
- thoriated
- cathodes
- thoriated cathodes
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/22—Arrangements affording multiple use of the transmission path using time-division multiplexing
- H04L5/24—Arrangements affording multiple use of the transmission path using time-division multiplexing with start-stop synchronous converters
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D13/00—Electrophoretic coating characterised by the process
- C25D13/02—Electrophoretic coating characterised by the process with inorganic material
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Computer Networks & Wireless Communication (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE220852X | 1940-01-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR872405A true FR872405A (fr) | 1942-06-08 |
Family
ID=5836834
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR872405D Expired FR872405A (fr) | 1940-01-24 | 1941-05-21 | Perfectionnements aux cathodes thoriées |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH220852A (hu) |
FR (1) | FR872405A (hu) |
NL (2) | NL149363C (hu) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1166385B (de) * | 1964-03-26 | Iapatelholdia Patentverwertung | Gluehkathode fuer Elektronenroehren und Verfahren zu ihrer Herstellung | |
BE518861A (hu) * | 1952-04-01 | |||
CH582951A5 (hu) * | 1973-07-09 | 1976-12-15 | Bbc Brown Boveri & Cie |
-
0
- NL NL54775D patent/NL54775C/xx active
- NL NL149363D patent/NL149363C/xx active
-
1941
- 1941-01-21 CH CH220852D patent/CH220852A/de unknown
- 1941-05-21 FR FR872405D patent/FR872405A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL54775C (hu) | |
CH220852A (de) | 1942-04-30 |
NL149363C (hu) |
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