BE457748A - - Google Patents
Info
- Publication number
- BE457748A BE457748A BE457748DA BE457748A BE 457748 A BE457748 A BE 457748A BE 457748D A BE457748D A BE 457748DA BE 457748 A BE457748 A BE 457748A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/02—Transference of modulation from one carrier to another, e.g. frequency-changing by means of diodes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Superheterodyne Receivers (AREA)
- Attenuators (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE258996X | 1944-11-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE457748A true BE457748A (zh) |
Family
ID=3866708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE457748D BE457748A (zh) | 1944-11-03 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE457748A (zh) |
| CH (1) | CH258996A (zh) |
| FR (1) | FR936845A (zh) |
| GB (1) | GB633875A (zh) |
-
0
- BE BE457748D patent/BE457748A/xx unknown
-
1946
- 1946-09-12 CH CH258996D patent/CH258996A/fr unknown
- 1946-11-20 FR FR936845D patent/FR936845A/fr not_active Expired
-
1947
- 1947-04-24 GB GB10977/47A patent/GB633875A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR936845A (fr) | 1948-07-30 |
| CH258996A (fr) | 1948-12-31 |
| GB633875A (en) | 1949-12-30 |