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:Method) |
Family
ID=22497798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE428005D BE428005A (en:Method) | 1937-05-11 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2174234A (en:Method) |
| BE (1) | BE428005A (en:Method) |
| CH (1) | CH206321A (en:Method) |
| DE (1) | DE763749C (en:Method) |
| GB (1) | GB490656A (en:Method) |
| NL (1) | NL58460C (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE878670C (de) * | 1941-04-03 | 1953-06-05 | Klangfilm Gmbh | Schaltungsanordnung zur Ankopplung einer elektrostatischen Sprechstromquelle |
| 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 (de) * | 1931-01-06 | 1933-09-23 | Telefunken Gmbh | Verstaerkerschaltung |
| 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
- BE BE428005D patent/BE428005A/xx unknown
- NL NL58460D patent/NL58460C/xx active
-
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/de unknown
- 1938-05-04 DE DEH155706D patent/DE763749C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH206321A (de) | 1939-07-31 |
| GB490656A (en) | 1938-08-18 |
| DE763749C (de) | 1953-05-04 |
| NL58460C (en:Method) | |
| US2174234A (en) | 1939-09-26 |