NL63344C - - Google Patents
Info
- Publication number
- NL63344C NL63344C NL63344DA NL63344C NL 63344 C NL63344 C NL 63344C NL 63344D A NL63344D A NL 63344DA NL 63344 C NL63344 C NL 63344C
- Authority
- NL
- Netherlands
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
- H03J7/045—Modification of automatic frequency control sensitivity or linearising automatic frequency control operation; Modification of the working range
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US230820A US2184072A (en) | 1938-09-20 | 1938-09-20 | Frequency-responsive network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL63344C true NL63344C (ko) |
Family
ID=22866701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL63344D NL63344C (ko) | 1938-09-20 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2184072A (ko) |
| CH (1) | CH220057A (ko) |
| DE (1) | DE757402C (ko) |
| NL (1) | NL63344C (ko) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2488612A (en) * | 1940-03-09 | 1949-11-22 | Rca Corp | Frequency modulation reception |
| US2658138A (en) * | 1945-12-01 | 1953-11-03 | Hallicrafters Co | Radio receiver |
| US2481902A (en) * | 1946-04-10 | 1949-09-13 | Philco Corp | Automatic frequency control circuit for frequency modulation television systems |
-
0
- NL NL63344D patent/NL63344C/xx active
-
1938
- 1938-09-20 US US230820A patent/US2184072A/en not_active Expired - Lifetime
-
1939
- 1939-09-16 CH CH220057D patent/CH220057A/de unknown
- 1939-09-16 DE DEH160586D patent/DE757402C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2184072A (en) | 1939-12-19 |
| CH220057A (de) | 1942-03-15 |
| DE757402C (de) | 1953-05-18 |