FR885192A - Tuning device for radio receiver - Google Patents
Tuning device for radio receiverInfo
- Publication number
- FR885192A FR885192A FR885192DA FR885192A FR 885192 A FR885192 A FR 885192A FR 885192D A FR885192D A FR 885192DA FR 885192 A FR885192 A FR 885192A
- Authority
- FR
- France
- Prior art keywords
- radio receiver
- tuning device
- tuning
- receiver
- radio
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL608928X | 1941-08-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR885192A true FR885192A (en) | 1943-09-07 |
Family
ID=19788041
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR885192D Expired FR885192A (en) | 1941-08-16 | 1942-08-14 | Tuning device for radio receiver |
Country Status (4)
Country | Link |
---|---|
US (1) | US2427331A (en) |
BE (1) | BE446844A (en) |
FR (1) | FR885192A (en) |
GB (1) | GB608928A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2687514A (en) * | 1948-08-27 | 1954-08-24 | Rca Corp | Two-band tuning network |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE400555A (en) * | 1933-01-02 | |||
GB447104A (en) * | 1935-11-21 | 1936-05-12 | Aladdin Radio Patents Ltd | Improvements in or relating to tuning systems for wireless receivers of the supersonic-heterodyne type |
US2145371A (en) * | 1936-12-31 | 1939-01-31 | Rca Corp | Oscillator coil system for low frequency bands |
NL58891C (en) * | 1940-01-02 | |||
NL61935C (en) * | 1940-05-17 |
-
0
- BE BE446844D patent/BE446844A/xx unknown
-
1942
- 1942-08-14 FR FR885192D patent/FR885192A/en not_active Expired
-
1943
- 1943-05-21 US US487981A patent/US2427331A/en not_active Expired - Lifetime
-
1946
- 1946-03-19 GB GB8424/46A patent/GB608928A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2427331A (en) | 1947-09-09 |
GB608928A (en) | 1948-09-22 |
BE446844A (en) |
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