NL67385C - - Google Patents
Info
- Publication number
- NL67385C NL67385C NL67385DA NL67385C NL 67385 C NL67385 C NL 67385C NL 67385D A NL67385D A NL 67385DA NL 67385 C NL67385 C NL 67385C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F21/00—Variable inductances or transformers of the signal type
- H01F21/02—Variable inductances or transformers of the signal type continuously variable, e.g. variometers
- H01F21/06—Variable inductances or transformers of the signal type continuously variable, e.g. variometers by movement of core or part of core relative to the windings as a whole
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/10—Circuit arrangements for fine tuning, e.g. bandspreading
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB236890X | 1940-07-09 | ||
| GB180241X | 1941-02-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL67385C true NL67385C (ja�@�@) |
Family
ID=26253069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL67385D NL67385C (ja�@�@) | 1940-07-09 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE476458A (ja�@�@) |
| CH (1) | CH236890A (ja�@�@) |
| DE (1) | DE941549C (ja�@�@) |
| FR (1) | FR957376A (ja�@�@) |
| GB (1) | GB542611A (ja�@�@) |
| NL (1) | NL67385C (ja�@�@) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE963884C (de) * | 1949-03-04 | 1957-05-16 | Siemens Ag | Schaltung zur Frequenznachstellung |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE666632C (de) * | 1938-10-24 | Lorenz Akt Ges C | Schaltungsanordnung fuer Empfaenger von drahtlosen Signalen mit Einknopfbedienung | |
| GB327710A (en) * | 1929-01-09 | 1930-04-09 | Gramophone Co Ltd | Improvements in or relating to tuning devices for wireless receivers |
-
0
- BE BE476458D patent/BE476458A/xx unknown
- FR FR957376D patent/FR957376A/fr not_active Expired
- NL NL67385D patent/NL67385C/xx active
-
1940
- 1940-07-09 GB GB11451/40A patent/GB542611A/en not_active Expired
-
1941
- 1941-06-18 CH CH236890D patent/CH236890A/de unknown
-
1948
- 1948-12-24 DE DEP26546A patent/DE941549C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH236890A (de) | 1945-03-15 |
| DE941549C (de) | 1956-04-12 |
| FR957376A (ja�@�@) | 1950-02-18 |
| BE476458A (ja�@�@) | |
| GB542611A (en) | 1942-01-19 |