FR854772A - Pushbutton switch enhancements - Google Patents
Pushbutton switch enhancementsInfo
- Publication number
- FR854772A FR854772A FR854772DA FR854772A FR 854772 A FR854772 A FR 854772A FR 854772D A FR854772D A FR 854772DA FR 854772 A FR854772 A FR 854772A
- Authority
- FR
- France
- Prior art keywords
- pushbutton switch
- enhancements
- switch enhancements
- pushbutton
- switch
- 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
- 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
- H03J5/24—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 a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
- H03J5/26—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 a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection operated by hand
- H03J5/32—Stationary tuning circuits or elements selected by push-button
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR854772T | 1939-05-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR854772A true FR854772A (en) | 1940-04-24 |
Family
ID=9327915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR854772D Expired FR854772A (en) | 1939-05-16 | 1939-05-16 | Pushbutton switch enhancements |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR854772A (en) |
-
1939
- 1939-05-16 FR FR854772D patent/FR854772A/en not_active Expired
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