FR660339A - Improvements to electric clocks - Google Patents
Improvements to electric clocksInfo
- Publication number
- FR660339A FR660339A FR660339DA FR660339A FR 660339 A FR660339 A FR 660339A FR 660339D A FR660339D A FR 660339DA FR 660339 A FR660339 A FR 660339A
- Authority
- FR
- France
- Prior art keywords
- electric clocks
- clocks
- electric
- 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 |
---|---|---|---|
FR660339T | 1927-01-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR660339A true FR660339A (en) | 1929-07-10 |
Family
ID=9010177
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR660339D Expired FR660339A (en) | 1927-01-22 | 1927-01-22 | Improvements to electric clocks |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR660339A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD1018751S1 (en) * | 2021-06-22 | 2024-03-19 | Eastpoint Sports Ltd., Llc | Table tennis table |
-
1927
- 1927-01-22 FR FR660339D patent/FR660339A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD1018751S1 (en) * | 2021-06-22 | 2024-03-19 | Eastpoint Sports Ltd., Llc | Table tennis table |
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