BE423759A - - Google Patents
Info
- Publication number
- BE423759A BE423759A BE423759DA BE423759A BE 423759 A BE423759 A BE 423759A BE 423759D A BE423759D A BE 423759DA BE 423759 A BE423759 A BE 423759A
- 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
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
- H03F1/36—Negative-feedback-circuit arrangements with or without positive feedback 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
- H03F1/52—Circuit arrangements for protecting such amplifiers
- H03F1/54—Circuit arrangements for protecting such amplifiers with tubes only
- H03F1/542—Replacing by standby devices
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL502573X | 1936-09-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE423759A true BE423759A (https=) |
Family
ID=19786808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE423759D BE423759A (https=) | 1936-09-24 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE423759A (https=) |
| CH (1) | CH222912A (https=) |
| FR (1) | FR827113A (https=) |
| GB (1) | GB502573A (https=) |
| NL (1) | NL46367C (https=) |
-
0
- BE BE423759D patent/BE423759A/xx unknown
- NL NL46367D patent/NL46367C/xx active
-
1937
- 1937-09-23 GB GB25872/37A patent/GB502573A/en not_active Expired
- 1937-09-24 FR FR827113D patent/FR827113A/fr not_active Expired
- 1937-12-31 CH CH222912D patent/CH222912A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR827113A (fr) | 1938-04-20 |
| GB502573A (en) | 1939-03-21 |
| CH222912A (de) | 1942-08-15 |
| NL46367C (https=) |