CH211393A - Radioempfangsgerät, das mittels Druckknöpfen selbsttätig auf eine Anzahl vorherbestimmter Stationen abstimmbar ist. - Google Patents
Radioempfangsgerät, das mittels Druckknöpfen selbsttätig auf eine Anzahl vorherbestimmter Stationen abstimmbar ist.Info
- Publication number
- CH211393A CH211393A CH211393DA CH211393A CH 211393 A CH211393 A CH 211393A CH 211393D A CH211393D A CH 211393DA CH 211393 A CH211393 A CH 211393A
- Authority
- CH
- Switzerland
- Prior art keywords
- radio receiver
- push buttons
- automatically tuned
- predetermined stations
- stations
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
- H03J5/04—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings operated by hand
- H03J5/12—Settings determined by a number of separately-actuated driving means which adjust the tuning element directly to desired settings
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
- H03J1/06—Driving or adjusting arrangements; combined with other driving or adjusting arrangements, e.g. of gain control
- H03J1/066—Constructional details regarding potentiometric setting of voltage or current variable reactances
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL211393X | 1938-07-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH211393A true CH211393A (de) | 1940-09-15 |
Family
ID=19778843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH211393D CH211393A (de) | 1938-07-14 | 1939-07-13 | Radioempfangsgerät, das mittels Druckknöpfen selbsttätig auf eine Anzahl vorherbestimmter Stationen abstimmbar ist. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2251068A (pm) |
| BE (1) | BE435445A (pm) |
| CH (1) | CH211393A (pm) |
| FR (1) | FR857724A (pm) |
| GB (1) | GB531102A (pm) |
| NL (1) | NL54001C (pm) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2469189A (en) * | 1946-05-03 | 1949-05-03 | Oak Mfg Co | Preselector for radio-frequency network |
| US2534768A (en) * | 1948-10-08 | 1950-12-19 | Belmont Radio Corp | Television tuner |
| US2855507A (en) * | 1953-07-07 | 1958-10-07 | Blaupunkt Werke Gmbh | Radio tuning keyboard with interlocking station and band keys with independently depressable band keys |
-
0
- NL NL54001D patent/NL54001C/xx active
- BE BE435445D patent/BE435445A/xx unknown
-
1939
- 1939-06-24 US US281025A patent/US2251068A/en not_active Expired - Lifetime
- 1939-07-11 GB GB20205/39A patent/GB531102A/en not_active Expired
- 1939-07-12 FR FR857724D patent/FR857724A/fr not_active Expired
- 1939-07-13 CH CH211393D patent/CH211393A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR857724A (fr) | 1940-09-26 |
| US2251068A (en) | 1941-07-29 |
| NL54001C (pm) | |
| GB531102A (en) | 1940-12-30 |
| BE435445A (pm) |
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