FR937351A - Cathodes thermoioniques - Google Patents
Cathodes thermoioniquesInfo
- Publication number
- FR937351A FR937351A FR937351DA FR937351A FR 937351 A FR937351 A FR 937351A FR 937351D A FR937351D A FR 937351DA FR 937351 A FR937351 A FR 937351A
- Authority
- FR
- France
- Prior art keywords
- 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
- H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
- H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
- H01J7/18—Means for absorbing or adsorbing gas, e.g. by gettering
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR937351T | 1946-12-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR937351A true FR937351A (fr) | 1948-08-16 |
Family
ID=9457911
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR937351D Expired FR937351A (fr) | 1946-12-13 | 1946-12-13 | Cathodes thermoioniques |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR937351A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3273004A (en) * | 1961-06-21 | 1966-09-13 | Csf | Cathode structure in a reflex klystron tube |
-
1946
- 1946-12-13 FR FR937351D patent/FR937351A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3273004A (en) * | 1961-06-21 | 1966-09-13 | Csf | Cathode structure in a reflex klystron tube |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR950897A (fr) | Magnetron | |
CH271667A (fr) | Stylographe. | |
CH260978A (de) | Kathodenstrahlschalter. | |
CH259237A (de) | Elektronenröhre. | |
FR937351A (fr) | Cathodes thermoioniques | |
CH261209A (de) | Magnetron. | |
CH262296A (fr) | Stylographe. | |
FR934632A (fr) | Cathode émissive | |
FR54766E (fr) | Cathode thermionique | |
FR950213A (fr) | Lampes thermioniques | |
FR925321A (fr) | Perfectionnement aux chaussures | |
CH250549A (de) | Fassbock. | |
FI21581A (fi) | Elektronrör | |
FR946790A (fr) | Tube thermionique | |
FR937114A (fr) | Perfectionnements aux chaussures | |
DK73298C (da) | Stensavblad. | |
CH263191A (de) | Motofaucheuse. | |
CH251060A (de) | Stosskarren. | |
DK72947C (da) | Elektronmultiplikator. | |
DK69202C (da) | Elektronmultiplikator. | |
FI24392A (fi) | Elektronrör | |
FI22011A (fi) | Elektronrör | |
CH266495A (fr) | Magnétron. | |
ES12523Y (es) | Electropulverizador. | |
DK72996C (da) | Rudekuvert. |