FR24765E - Improvement in electro-magnetic clocks - Google Patents
Improvement in electro-magnetic clocksInfo
- Publication number
- FR24765E FR24765E FR24765A FR24765DA FR24765E FR 24765 E FR24765 E FR 24765E FR 24765 A FR24765 A FR 24765A FR 24765D A FR24765D A FR 24765DA FR 24765 E FR24765 E FR 24765E
- Authority
- FR
- France
- Prior art keywords
- electro
- improvement
- clocks
- magnetic
- magnetic clocks
- 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
- G04C3/02—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a pendulum
- G04C3/027—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a pendulum using electromagnetic coupling between electric power source and pendulum
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR24765T | 1920-12-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR24765E true FR24765E (en) | 1922-10-14 |
Family
ID=8663341
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR24765A Expired FR24765E (en) | 1920-12-10 | 1920-12-10 | Improvement in electro-magnetic clocks |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR24765E (en) |
-
1920
- 1920-12-10 FR FR24765A patent/FR24765E/en not_active Expired
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