CH535990A - Dispositif électromagnétique d'entraînement pour un mécanisme de chronométrage - Google Patents
Dispositif électromagnétique d'entraînement pour un mécanisme de chronométrageInfo
- Publication number
- CH535990A CH535990A CH259469A CH259469A CH535990A CH 535990 A CH535990 A CH 535990A CH 259469 A CH259469 A CH 259469A CH 259469 A CH259469 A CH 259469A CH 535990 A CH535990 A CH 535990A
- Authority
- CH
- Switzerland
- Prior art keywords
- drive device
- electromagnetic drive
- timing mechanism
- timing
- electromagnetic
- Prior art date
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
- G04C3/08—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 mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically
- G04C3/10—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 mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by electromagnetic means
- G04C3/101—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 mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by electromagnetic means constructional details
- G04C3/104—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 mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by electromagnetic means constructional details of the pawl or the ratched-wheel
- G04C3/105—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 mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by electromagnetic means constructional details of the pawl or the ratched-wheel pawl and ratched-wheel being magnetically coupled
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/15—Intermittent grip type mechanical movement
- Y10T74/1502—Escapement
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
- Linear Motors (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8184/68A GB1189564A (en) | 1968-02-20 | 1968-02-20 | Electromechanical Oscillator with Rotary Output. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH535990A true CH535990A (fr) | 1972-12-29 |
Family
ID=9847449
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH259469A CH535990A (fr) | 1968-02-20 | 1969-02-20 | Dispositif électromagnétique d'entraînement pour un mécanisme de chronométrage |
| CH259469D CH259469A4 (fr) | 1968-02-20 | 1969-02-20 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH259469D CH259469A4 (fr) | 1968-02-20 | 1969-02-20 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3532912A (fr) |
| CH (2) | CH535990A (fr) |
| DE (1) | DE1908568B2 (fr) |
| FR (1) | FR2002268A1 (fr) |
| GB (1) | GB1189564A (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4977371U (fr) * | 1972-10-27 | 1974-07-04 | ||
| DE3544930A1 (de) * | 1985-12-19 | 1987-06-25 | Messerschmitt Boelkow Blohm | Elektromagnetischer praezisionsdrehantrieb |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2946183A (en) * | 1955-06-14 | 1960-07-26 | Horstmann Magnetics Ltd | Self-starting magnetic escapement mechanisms |
| US3148497A (en) * | 1961-06-01 | 1964-09-15 | Cecil F Clifford | Synchronised magnetic escapement |
| US3277644A (en) * | 1965-06-08 | 1966-10-11 | Jeco Kk | Tuning fork timepiece |
-
1968
- 1968-02-20 GB GB8184/68A patent/GB1189564A/en not_active Expired
-
1969
- 1969-02-19 US US800552A patent/US3532912A/en not_active Expired - Lifetime
- 1969-02-20 CH CH259469A patent/CH535990A/fr unknown
- 1969-02-20 FR FR6904273A patent/FR2002268A1/fr not_active Withdrawn
- 1969-02-20 CH CH259469D patent/CH259469A4/xx unknown
- 1969-02-20 DE DE1908568A patent/DE1908568B2/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1189564A (en) | 1970-04-29 |
| DE1908568B2 (de) | 1974-07-25 |
| FR2002268A1 (fr) | 1969-10-17 |
| US3532912A (en) | 1970-10-06 |
| CH259469A4 (fr) | 1972-12-29 |
| DE1908568A1 (de) | 1969-09-18 |
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