NL68589C - - Google Patents
Info
- Publication number
- NL68589C NL68589C NL68589DA NL68589C NL 68589 C NL68589 C NL 68589C NL 68589D A NL68589D A NL 68589DA NL 68589 C NL68589 C NL 68589C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Amplifiers (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR256365X | 1943-06-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL68589C true NL68589C (zh) |
Family
ID=8884604
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL118708D NL118708B (zh) | 1943-06-08 | ||
| NL68589D NL68589C (zh) | 1943-06-08 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL118708D NL118708B (zh) | 1943-06-08 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE456176A (zh) |
| CH (1) | CH256365A (zh) |
| FR (1) | FR960736A (zh) |
| GB (1) | GB644204A (zh) |
| NL (2) | NL68589C (zh) |
-
0
- FR FR960736D patent/FR960736A/fr not_active Expired
- NL NL118708D patent/NL118708B/xx unknown
- BE BE456176D patent/BE456176A/xx unknown
- NL NL68589D patent/NL68589C/xx active
-
1944
- 1944-06-08 CH CH256365D patent/CH256365A/fr unknown
-
1946
- 1946-08-30 GB GB26210/46A patent/GB644204A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH256365A (fr) | 1948-08-15 |
| BE456176A (zh) | |
| GB644204A (en) | 1950-10-04 |
| FR960736A (zh) | 1950-04-22 |
| NL118708B (zh) |