BE471441A - - Google Patents
Info
- Publication number
- BE471441A BE471441A BE471441DA BE471441A BE 471441 A BE471441 A BE 471441A BE 471441D A BE471441D A BE 471441DA BE 471441 A BE471441 A BE 471441A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
- H03J7/047—Automatic frequency control using an auxiliary signal, e.g. low frequency scanning of the locking range or superimposing a special signal on the input signal
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US541393XA | 1939-09-13 | 1939-09-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE471441A true BE471441A (de) |
Family
ID=21989019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE471441D BE471441A (de) | 1939-09-13 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE471441A (de) |
| FR (1) | FR938667A (de) |
| GB (1) | GB541393A (de) |
-
0
- BE BE471441D patent/BE471441A/xx unknown
-
1940
- 1940-08-16 GB GB13112/40A patent/GB541393A/en not_active Expired
-
1946
- 1946-10-21 FR FR938667D patent/FR938667A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB541393A (en) | 1941-11-25 |
| FR938667A (fr) | 1948-10-21 |