FR959949A - - Google Patents
Info
- Publication number
- FR959949A FR959949A FR959949DA FR959949A FR 959949 A FR959949 A FR 959949A FR 959949D A FR959949D A FR 959949DA FR 959949 A FR959949 A FR 959949A
- 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
- H01J21/00—Vacuum tubes
- H01J21/02—Tubes with a single discharge path
- H01J21/06—Tubes with a single discharge path having electrostatic control means only
- H01J21/065—Devices for short wave tubes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/54—Amplifiers using transit-time effect in tubes or semiconductor devices
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Lasers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US23284T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR959949A true FR959949A (fr) | 1950-04-07 |
Family
ID=21700268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR959949D Expired FR959949A (fr) |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | USRE23284E (fr) |
| BE (1) | BE476285A (fr) |
| FR (1) | FR959949A (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2749466A (en) * | 1951-12-18 | 1956-06-05 | Machlett Lab Inc | Electron tube gettering means |
| US2720997A (en) * | 1952-04-05 | 1955-10-18 | Westinghouse Electric Corp | Seal for electron discharge device |
| NL233762A (fr) * | 1957-06-12 |
-
0
- BE BE476285D patent/BE476285A/xx unknown
- US US23284D patent/USRE23284E/en not_active Expired
- FR FR959949D patent/FR959949A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE476285A (fr) | |
| USRE23284E (en) | 1950-10-17 |