FR954491A - - Google Patents
Info
- Publication number
- FR954491A FR954491A FR954491DA FR954491A FR 954491 A FR954491 A FR 954491A FR 954491D A FR954491D A FR 954491DA FR 954491 A FR954491 A FR 954491A
- Authority
- FR
- France
- 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
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/78—Tubes with electron stream modulated by deflection in a resonator
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US440299A US2407707A (en) | 1942-04-24 | 1942-04-24 | Electron discharge device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR954491A true FR954491A (xx) | 1950-01-03 |
Family
ID=23748220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR954491D Expired FR954491A (xx) | 1942-04-24 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2407707A (xx) |
| BE (1) | BE474862A (xx) |
| DE (1) | DE853032C (xx) |
| FR (1) | FR954491A (xx) |
| NL (1) | NL70929C (xx) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2515998A (en) * | 1942-04-24 | 1950-07-18 | Rca Corp | Electron discharge device |
| US2534537A (en) * | 1945-08-25 | 1950-12-19 | Rca Corp | Electron discharge device of the velocity modulation type |
| US2687491A (en) * | 1946-05-15 | 1954-08-24 | George H Lee | Ultrahigh-frequency vacuum tube |
| US2608669A (en) * | 1948-02-06 | 1952-08-26 | Marcel Wallace | Cathode-ray tube wavemeter |
| US2682622A (en) * | 1948-12-01 | 1954-06-29 | Rca Corp | Cavity resonator for microwave electron beam tubes |
| US2680209A (en) * | 1950-05-12 | 1954-06-01 | Sperry Corp | High-frequency apparatus |
| US2835844A (en) * | 1953-02-25 | 1958-05-20 | Jr William J Mcbride | Electron beam deflection tube |
| US4164793A (en) * | 1978-04-26 | 1979-08-21 | Swanson Alfred B | Lunate implant |
-
0
- FR FR954491D patent/FR954491A/fr not_active Expired
- NL NL70929D patent/NL70929C/xx active
- BE BE474862D patent/BE474862A/xx unknown
-
1942
- 1942-04-24 US US440299A patent/US2407707A/en not_active Expired - Lifetime
-
1950
- 1950-09-23 DE DER3720A patent/DE853032C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2407707A (en) | 1946-09-17 |
| BE474862A (xx) | |
| DE853032C (de) | 1952-10-20 |
| NL70929C (xx) |