NL77449C - - Google Patents
Info
- Publication number
- NL77449C NL77449C NL77449DA NL77449C NL 77449 C NL77449 C NL 77449C NL 77449D A NL77449D A NL 77449DA NL 77449 C NL77449 C NL 77449C
- 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
- H03F1/52—Circuit arrangements for protecting such amplifiers
- H03F1/54—Circuit arrangements for protecting such amplifiers with tubes 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
- H03F1/52—Circuit arrangements for protecting such amplifiers
- H03F1/54—Circuit arrangements for protecting such amplifiers with tubes only
- H03F1/548—Protection of anode or grid circuit against overload
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transmitters (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1040586X | 1949-08-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL77449C true NL77449C (xx) |
Family
ID=4554256
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL77449D NL77449C (xx) | 1949-08-06 | ||
| NL676705318A NL148783B (nl) | 1949-08-06 | Werkwijze ter bereiding van preparaten met herbicide activiteit en werkwijze ter bereiding van herbicide werkzame triazinederivaten. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL676705318A NL148783B (nl) | 1949-08-06 | Werkwijze ter bereiding van preparaten met herbicide activiteit en werkwijze ter bereiding van herbicide werkzame triazinederivaten. |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH273828A (xx) |
| DE (1) | DE837405C (xx) |
| FR (1) | FR1040586A (xx) |
| NL (2) | NL148783B (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2969508A (en) * | 1957-06-28 | 1961-01-24 | Mark I Jacob | Grid modulation system for simultaneous am and fm transmissions |
-
0
- NL NL77449D patent/NL77449C/xx active
- NL NL676705318A patent/NL148783B/xx unknown
-
1949
- 1949-08-06 CH CH273828D patent/CH273828A/de unknown
-
1950
- 1950-06-27 DE DEP2611A patent/DE837405C/de not_active Expired
- 1950-07-20 FR FR1040586D patent/FR1040586A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL148783B (nl) | |
| CH273828A (de) | 1951-02-28 |
| FR1040586A (fr) | 1953-10-16 |
| DE837405C (de) | 1952-04-28 |