FR22689E - Horloge électro-magnétique - Google Patents
Horloge électro-magnétiqueInfo
- Publication number
- FR22689E FR22689E FR22689A FR22689DA FR22689E FR 22689 E FR22689 E FR 22689E FR 22689 A FR22689 A FR 22689A FR 22689D A FR22689D A FR 22689DA FR 22689 E FR22689 E FR 22689E
- Authority
- FR
- France
- Prior art keywords
- electro
- magnetic clock
- clock
- magnetic
- 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 |
---|---|---|---|
FR22689T | 1920-01-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR22689E true FR22689E (fr) | 1921-08-04 |
Family
ID=8661521
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR22689A Expired FR22689E (fr) | 1920-01-09 | 1920-01-09 | Horloge électro-magnétique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR22689E (fr) |
-
1920
- 1920-01-09 FR FR22689A patent/FR22689E/fr not_active Expired
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