BE457749A - - Google Patents
Info
- Publication number
- BE457749A BE457749A BE457749DA BE457749A BE 457749 A BE457749 A BE 457749A BE 457749D A BE457749D A BE 457749DA BE 457749 A BE457749 A BE 457749A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
- H03F1/14—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of neutralising means
- H03F1/16—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of neutralising means in discharge-tube amplifiers
-
- 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
- H03F3/26—Push-pull amplifiers; Phase-splitters therefor
- H03F3/28—Push-pull amplifiers; Phase-splitters therefor with tubes only
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
- Microwave Amplifiers (AREA)
- Lasers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE258732X | 1944-11-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE457749A true BE457749A (US07902200-20110308-C00004.png) |
Family
ID=3866702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE457749D BE457749A (US07902200-20110308-C00004.png) | 1944-11-03 |
Country Status (7)
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1768418A (en) * | 1924-12-04 | 1930-06-24 | Western Electric Co | Space discharge system |
| US2002338A (en) * | 1932-08-20 | 1935-05-21 | Telefunken Gmbh | Bridge arrangement |
| US2097896A (en) * | 1933-11-13 | 1937-11-02 | Rca Corp | Amplifying arrangement |
| US2119315A (en) * | 1934-04-03 | 1938-05-31 | Telefunken Gmbh | Neutralizing circuit for screen-grid tubes |
| US2159731A (en) * | 1935-09-13 | 1939-05-23 | Telefunken Gmbh | Neutralizing high-frequency pushpull amplifiers |
| US2299366A (en) * | 1940-06-22 | 1942-10-20 | Ziel Aldert Van Der | High-frequency amplifying circuits |
| BE448814A (US07902200-20110308-C00004.png) * | 1940-07-16 | |||
| GB552526A (en) * | 1941-08-20 | 1943-04-13 | Philips Nv | Improvements in or relating to amplifying circuits for ultra-short waves |
-
0
- NL NL64885D patent/NL64885C/xx active
- BE BE457749D patent/BE457749A/xx unknown
-
1946
- 1946-09-07 CH CH258732D patent/CH258732A/fr unknown
- 1946-11-22 FR FR936848D patent/FR936848A/fr not_active Expired
-
1947
- 1947-02-14 US US728710A patent/US2530636A/en not_active Expired - Lifetime
- 1947-04-24 GB GB10978/47A patent/GB633728A/en not_active Expired
-
1948
- 1948-11-26 DE DEP22672D patent/DE807516C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH258732A (fr) | 1948-12-15 |
| NL64885C (US07902200-20110308-C00004.png) | |
| FR936848A (fr) | 1948-07-30 |
| GB633728A (en) | 1949-12-19 |
| DE807516C (de) | 1951-06-28 |
| US2530636A (en) | 1950-11-21 |
