NL58891C - - Google Patents
Info
- Publication number
- NL58891C NL58891C NL58891DA NL58891C NL 58891 C NL58891 C NL 58891C NL 58891D A NL58891D A NL 58891DA NL 58891 C NL58891 C NL 58891C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/28—Continuous tuning of more than one resonant circuit simultaneously, the tuning frequencies of the circuits having a substantially constant difference throughout the tuning range
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US312072A US2248242A (en) | 1940-01-02 | 1940-01-02 | Radio tuning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL58891C true NL58891C (sh) |
Family
ID=23209757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL58891D NL58891C (sh) | 1940-01-02 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2248242A (sh) |
| GB (1) | GB546248A (sh) |
| NL (1) | NL58891C (sh) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL59335C (sh) * | 1940-12-05 | |||
| BE446844A (sh) * | 1941-08-16 | |||
| US2417182A (en) * | 1942-10-24 | 1947-03-11 | Rca Corp | Short-wave permeability tuning system |
| DE974133C (de) * | 1943-06-08 | 1960-09-22 | Georg Von Dipl-Ing Schaub | Induktive Abstimmanordnung mit Kernverlagerung |
| US2486986A (en) * | 1943-06-28 | 1949-11-01 | Rca Corp | Permeability tuning system |
| US2687514A (en) * | 1948-08-27 | 1954-08-24 | Rca Corp | Two-band tuning network |
| US2565261A (en) * | 1948-09-11 | 1951-08-21 | Rca Corp | Permeability tuning system for superheterodyne receiver |
| US2882392A (en) * | 1955-03-09 | 1959-04-14 | Rca Corp | Receiver tuned by inductors with tracking by initial positionment of coils on cores |
-
0
- NL NL58891D patent/NL58891C/xx active
-
1940
- 1940-01-02 US US312072A patent/US2248242A/en not_active Expired - Lifetime
-
1941
- 1941-01-02 GB GB91/41A patent/GB546248A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB546248A (en) | 1942-07-03 |
| US2248242A (en) | 1941-07-08 |