NL90377B - - Google Patents
Info
- Publication number
- NL90377B NL90377B NL90377DA NL90377B NL 90377 B NL90377 B NL 90377B NL 90377D A NL90377D A NL 90377DA NL 90377 B NL90377 B NL 90377B
- Authority
- NL
- Netherlands
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
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/04—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers
- H03F1/06—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers to raise the efficiency of amplifying modulated radio frequency waves; to raise the efficiency of amplifiers acting also as modulators
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Transmitters (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US171675A US2138653A (en) | 1937-10-29 | 1937-10-29 | High efficiency modulating and amplifying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL90377B true NL90377B (en:Method) |
Family
ID=22624711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL90377D NL90377B (en:Method) | 1937-10-29 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2138653A (en:Method) |
| DE (1) | DE763872C (en:Method) |
| FR (1) | FR845283A (en:Method) |
| GB (1) | GB521999A (en:Method) |
| NL (1) | NL90377B (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE460090A (en:Method) * | 1944-01-04 | |||
| US2579542A (en) * | 1945-09-18 | 1951-12-25 | Winston H Bostick | Pulse transformer circuit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB262872A (en) * | 1925-09-21 | 1926-12-21 | Western Electric Co Ltd | An improved modulating system for high frequency signalling |
-
0
- NL NL90377D patent/NL90377B/xx unknown
-
1937
- 1937-10-29 US US171675A patent/US2138653A/en not_active Expired - Lifetime
-
1938
- 1938-10-27 GB GB31114/38A patent/GB521999A/en not_active Expired
- 1938-10-28 FR FR845283D patent/FR845283A/fr not_active Expired
- 1938-10-30 DE DEI62772D patent/DE763872C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR845283A (fr) | 1939-08-17 |
| US2138653A (en) | 1938-11-29 |
| GB521999A (en) | 1940-06-06 |
| DE763872C (de) | 1954-07-19 |