FR73942E - Improvements to electromagnetic time devices - Google Patents
Improvements to electromagnetic time devicesInfo
- Publication number
- FR73942E FR73942E FR768092A FR768092A FR73942E FR 73942 E FR73942 E FR 73942E FR 768092 A FR768092 A FR 768092A FR 768092 A FR768092 A FR 768092A FR 73942 E FR73942 E FR 73942E
- Authority
- FR
- France
- Prior art keywords
- time devices
- electromagnetic time
- electromagnetic
- devices
- time
- 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
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C13/00—Driving mechanisms for clocks by master-clocks
- G04C13/02—Circuit arrangements; Electric clock installations
- G04C13/04—Master-clocks
-
- 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
- G04C3/04—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 balance
- G04C3/06—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 balance using electromagnetic coupling between electric power source and balance
- G04C3/065—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 balance using electromagnetic coupling between electric power source and balance the balance controlling gear-train by means of static switches, e.g. transistor circuits
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Control Of Stepping Motors (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR768092A FR73942E (en) | 1958-06-17 | 1958-06-17 | Improvements to electromagnetic time devices |
DE1959S0030815 DE1803094U (en) | 1958-06-17 | 1959-06-18 | ELECTRIC SWIVEL CLOCK. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR768092A FR73942E (en) | 1958-06-17 | 1958-06-17 | Improvements to electromagnetic time devices |
Publications (1)
Publication Number | Publication Date |
---|---|
FR73942E true FR73942E (en) | 1960-10-31 |
Family
ID=8706765
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR768092A Expired FR73942E (en) | 1958-06-17 | 1958-06-17 | Improvements to electromagnetic time devices |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE1803094U (en) |
FR (1) | FR73942E (en) |
-
1958
- 1958-06-17 FR FR768092A patent/FR73942E/en not_active Expired
-
1959
- 1959-06-18 DE DE1959S0030815 patent/DE1803094U/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1803094U (en) | 1959-12-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR1187982A (en) | Improvements applicable to electrical time devices | |
BE580368A (en) | Improvements to colorimetric devices | |
FR73591E (en) | Improvements to electromagnetic time devices | |
FR1198473A (en) | Improvements to granulometry devices | |
FR68837E (en) | Improvements to electromagnetic time devices | |
FR1219554A (en) | Improvements to facsimile devices | |
FR74449E (en) | Improvements to electromagnetic time devices | |
FR68170E (en) | Improvements to electromagnetic time devices | |
FR73942E (en) | Improvements to electromagnetic time devices | |
FR1265523A (en) | Improvements to electronic devices | |
FR1191440A (en) | Improvements to massage devices | |
FR1288784A (en) | Improvements to timekeeping devices | |
FR1204452A (en) | Improvements to electrical programming devices | |
FR1181018A (en) | Improvements to pre-laminating devices | |
FR1240234A (en) | Improvements to turbo-engines | |
FR79372E (en) | Improvements to electromagnetic time devices | |
FR1214556A (en) | Improvements to perforating devices | |
FR1240833A (en) | Improvements to electromagnetic switches | |
FR1208622A (en) | Improvements made to time devices | |
FR1198494A (en) | Improvements to massage devices | |
BE588719A (en) | Improvements to distribution devices | |
BE582761A (en) | Improvements to aviation devices | |
FR1375651A (en) | Improvements to stylographs | |
FR1204736A (en) | Improvements to servo-brakes | |
FR1213761A (en) | Improvements to ampoules-syringes |