FR1070504A - éléments chauffants perfectionnés pour dispositifs émetteurs d'électrons - Google Patents
éléments chauffants perfectionnés pour dispositifs émetteurs d'électronsInfo
- Publication number
- FR1070504A FR1070504A FR1070504DA FR1070504A FR 1070504 A FR1070504 A FR 1070504A FR 1070504D A FR1070504D A FR 1070504DA FR 1070504 A FR1070504 A FR 1070504A
- Authority
- FR
- France
- Prior art keywords
- heating elements
- emitting devices
- electron emitting
- advanced heating
- advanced
- 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
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
- H01J1/22—Heaters
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2402651A GB707096A (en) | 1951-10-15 | 1951-10-15 | Improvements in heaters for electron emitters |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1070504A true FR1070504A (fr) | 1954-07-28 |
Family
ID=10205197
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1070504D Expired FR1070504A (fr) | 1951-10-15 | 1952-10-15 | éléments chauffants perfectionnés pour dispositifs émetteurs d'électrons |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE514838A (fr) |
FR (1) | FR1070504A (fr) |
GB (1) | GB707096A (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2814751A (en) * | 1955-03-16 | 1957-11-26 | Eitel Mccullough Inc | Stem structure for beam type tubes |
GB2214705A (en) * | 1988-01-26 | 1989-09-06 | English Electric Valve Co Ltd | Directly heated cathode |
-
0
- BE BE514838D patent/BE514838A/xx unknown
-
1951
- 1951-10-15 GB GB2402651A patent/GB707096A/en not_active Expired
-
1952
- 1952-10-15 FR FR1070504D patent/FR1070504A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE514838A (fr) | |
GB707096A (en) | 1954-04-14 |
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