BE428005A - - Google Patents
Info
- Publication number
- BE428005A BE428005A BE428005DA BE428005A BE 428005 A BE428005 A BE 428005A BE 428005D A BE428005D A BE 428005DA BE 428005 A BE428005 A BE 428005A
- 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
- H03F1/42—Modifications of amplifiers to extend the bandwidth
- H03F1/48—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers
- H03F1/50—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers with tubes only
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US141916A US2174234A (en) | 1937-05-11 | 1937-05-11 | Broad band amplifier |
Publications (1)
Publication Number | Publication Date |
---|---|
BE428005A true BE428005A (en) |
Family
ID=22497798
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE428005D BE428005A (en) | 1937-05-11 |
Country Status (6)
Country | Link |
---|---|
US (1) | US2174234A (en) |
BE (1) | BE428005A (en) |
CH (1) | CH206321A (en) |
DE (1) | DE763749C (en) |
GB (1) | GB490656A (en) |
NL (1) | NL58460C (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE878670C (en) * | 1941-04-03 | 1953-06-05 | Klangfilm Gmbh | Circuit arrangement for coupling an electrostatic speech power source |
GB617184A (en) * | 1946-04-30 | 1949-02-02 | Eric Lawrence Casling White | Improvements in or relating to thermionic valve circuits |
US2552884A (en) * | 1947-01-21 | 1951-05-15 | Western Union Telegraph Co | Oscilloscope system |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1896534A (en) * | 1927-05-13 | 1933-02-07 | Gen Electric | Electrical system |
US2057998A (en) * | 1927-11-18 | 1936-10-20 | Telefunken Gmbh | Vacuum tube circuits |
GB337830A (en) * | 1929-06-08 | 1930-11-10 | Radio Frequency Lab Inc | Electrical amplifier circuits |
GB349483A (en) * | 1930-01-23 | 1931-05-26 | Patrick Henry | Improvements in the design of radio and sound reproducing apparatus and the like |
DE584782C (en) * | 1931-01-06 | 1933-09-23 | Telefunken Gmbh | Amplifier circuit |
GB425553A (en) * | 1933-09-18 | 1935-03-18 | Emi Ltd | Improvements in and relating to thermionic valve amplifiers |
GB465118A (en) * | 1935-10-30 | 1937-04-30 | British Thomson Houston Co Ltd | Improvements in and relating to amplifying circuits suitable in connection with television |
-
0
- NL NL58460D patent/NL58460C/xx active
- BE BE428005D patent/BE428005A/xx unknown
-
1937
- 1937-05-11 US US141916A patent/US2174234A/en not_active Expired - Lifetime
-
1938
- 1938-04-22 GB GB12078/38A patent/GB490656A/en not_active Expired
- 1938-05-02 CH CH206321D patent/CH206321A/en unknown
- 1938-05-04 DE DEH155706D patent/DE763749C/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB490656A (en) | 1938-08-18 |
CH206321A (en) | 1939-07-31 |
US2174234A (en) | 1939-09-26 |
DE763749C (en) | 1953-05-04 |
NL58460C (en) |