FR872802A - - Google Patents
Info
- Publication number
- FR872802A FR872802A FR872802DA FR872802A FR 872802 A FR872802 A FR 872802A FR 872802D A FR872802D A FR 872802DA FR 872802 A FR872802 A FR 872802A
- 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
- H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
- H01J43/02—Tubes in which one or a few electrodes are secondary-electron emitting electrodes
- H01J43/025—Circuits therefor
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
-
- 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)
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL2434295X | 1940-05-30 | ||
| GB714041A GB557005A (en) | 1941-06-05 | 1941-06-05 | Improvements in or relating to amplifier circuits for ultra high frequencies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR872802A true FR872802A (fr) | 1942-06-19 |
Family
ID=32178840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR872802D Expired FR872802A (fr) | 1940-05-30 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2434295A (fr) |
| FR (1) | FR872802A (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2537807A (en) * | 1946-12-11 | 1951-01-09 | John Logie Baird Ltd | Thermionic amplifier |
| NL73973C (fr) * | 1947-04-09 | 1954-06-15 | ||
| US2798903A (en) * | 1951-03-16 | 1957-07-09 | Henry M Spencer | Signal amplification system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2167201A (en) * | 1935-06-28 | 1939-07-25 | Pintsch Julius Kg | Electron tube |
| US2230546A (en) * | 1938-03-03 | 1941-02-04 | Telefunken Gmbh | Circuit for the amplification of ultra-high frequencies |
| US2305395A (en) * | 1940-05-30 | 1942-12-15 | Strutt Maximiliaan Julius Otto | Electron discharge tube circuit |
| US2314916A (en) * | 1940-06-12 | 1943-03-30 | Alma Gerrit Hendrik Petrus | Circuit for the amplification and/or frequency-transformation of electrical oscillations of ultra high frequency |
| US2314794A (en) * | 1940-06-25 | 1943-03-23 | Rca Corp | Microwave device |
-
0
- FR FR872802D patent/FR872802A/fr not_active Expired
-
1943
- 1943-03-23 US US480194A patent/US2434295A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2434295A (en) | 1948-01-13 |