FR1220717A - Electromechanical device with resonance speed regulation - Google Patents
Electromechanical device with resonance speed regulationInfo
- Publication number
- FR1220717A FR1220717A FR792652A FR792652A FR1220717A FR 1220717 A FR1220717 A FR 1220717A FR 792652 A FR792652 A FR 792652A FR 792652 A FR792652 A FR 792652A FR 1220717 A FR1220717 A FR 1220717A
- Authority
- FR
- France
- Prior art keywords
- speed regulation
- electromechanical device
- resonance speed
- resonance
- electromechanical
- 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
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
- G04C3/16—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating an electro-dynamic continuously rotating motor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1220717X | 1956-05-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1220717A true FR1220717A (en) | 1960-05-27 |
Family
ID=10883618
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR792652A Expired FR1220717A (en) | 1956-05-02 | 1959-04-21 | Electromechanical device with resonance speed regulation |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1220717A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1186650B (en) * | 1962-03-02 | 1965-02-04 | Protona Produktionsgesellschaf | Device for keeping the recording medium speed constant |
-
1959
- 1959-04-21 FR FR792652A patent/FR1220717A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1186650B (en) * | 1962-03-02 | 1965-02-04 | Protona Produktionsgesellschaf | Device for keeping the recording medium speed constant |
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