BE492715A - - Google Patents
Info
- Publication number
- BE492715A BE492715A BE492715DA BE492715A BE 492715 A BE492715 A BE 492715A BE 492715D A BE492715D A BE 492715DA BE 492715 A BE492715 A BE 492715A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/04—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only
-
- 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
- H03F1/56—Modifications of input or output impedances, not otherwise provided for
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D99/00—Subject matter not provided for in other groups of this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US692353XA | 1948-12-30 | 1948-12-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE492715A true BE492715A (en:Method) |
Family
ID=22087609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE492715D BE492715A (en:Method) | 1948-12-30 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE492715A (en:Method) |
| FR (1) | FR1000384A (en:Method) |
| GB (1) | GB692353A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2861258A (en) * | 1954-09-30 | 1958-11-18 | Ibm | Transistor amplifier circuit |
-
0
- BE BE492715D patent/BE492715A/xx unknown
-
1949
- 1949-11-28 FR FR1000384D patent/FR1000384A/fr not_active Expired
- 1949-12-12 GB GB31853/49A patent/GB692353A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB692353A (en) | 1953-06-03 |
| FR1000384A (fr) | 1952-02-11 |