FR1151321A - Improvements made to thermionic cathodes - Google Patents
Improvements made to thermionic cathodesInfo
- Publication number
- FR1151321A FR1151321A FR1151321DA FR1151321A FR 1151321 A FR1151321 A FR 1151321A FR 1151321D A FR1151321D A FR 1151321DA FR 1151321 A FR1151321 A FR 1151321A
- Authority
- FR
- France
- Prior art keywords
- improvements made
- thermionic cathodes
- thermionic
- 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
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microwave Tubes (AREA)
- Solid Thermionic Cathode (AREA)
- Electron Sources, Ion Sources (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1679655A GB810202A (en) | 1955-06-10 | 1955-06-10 | Improvements relating to thermionic cathodes for electron discharge devices |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1151321A true FR1151321A (en) | 1958-01-29 |
Family
ID=10083824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1151321D Expired FR1151321A (en) | 1955-06-10 | 1956-06-09 | Improvements made to thermionic cathodes |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE1113269B (en) |
FR (1) | FR1151321A (en) |
GB (1) | GB810202A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3195003A (en) * | 1962-11-16 | 1965-07-13 | Westinghouse Electric Corp | Electron discharge device |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL28875C (en) * | 1930-01-22 | |||
CH172489A (en) * | 1932-10-21 | 1934-10-15 | Loewe Opta Gmbh | Braun tube, in particular for television purposes, and method for producing the same. |
DE704280C (en) * | 1934-03-27 | 1941-03-27 | Telefunken Gmbh | Heating element for glow cathodes |
NL46481C (en) * | 1935-06-09 | |||
NL59655C (en) * | 1941-08-08 | |||
BE475720A (en) * | 1946-08-30 | |||
NL246331A (en) * | 1951-07-11 | |||
DE890390C (en) * | 1951-07-12 | 1953-09-17 | Siemens Ag | Cathode for electrical discharge vessels |
DE905517C (en) * | 1951-12-06 | 1954-03-04 | Siemens Ag | Cathode for electrical discharge vessels |
-
1955
- 1955-06-10 GB GB1679655A patent/GB810202A/en not_active Expired
-
1956
- 1956-06-09 FR FR1151321D patent/FR1151321A/en not_active Expired
- 1956-06-09 DE DEM30748A patent/DE1113269B/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3195003A (en) * | 1962-11-16 | 1965-07-13 | Westinghouse Electric Corp | Electron discharge device |
Also Published As
Publication number | Publication date |
---|---|
DE1113269B (en) | 1961-08-31 |
GB810202A (en) | 1959-03-11 |
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