IT550130A - - Google Patents
Info
- Publication number
- IT550130A IT550130A IT550130DA IT550130A IT 550130 A IT550130 A IT 550130A IT 550130D A IT550130D A IT 550130DA IT 550130 A IT550130 A IT 550130A
- Authority
- IT
- Italy
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
-
- 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
-
- 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
- G04C3/102—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 mechanical oscillator or of the coil
-
- 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
- G04C3/107—Controlling frequency or amplitude of the oscillating system
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Electromechanical Clocks (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH830518X | 1955-03-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT550130A true IT550130A (forum.php) |
Family
ID=4540267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT550130D IT550130A (forum.php) | 1955-03-11 |
Country Status (6)
| Country | Link |
|---|---|
| CA (1) | CA578729A (forum.php) |
| CH (1) | CH336025A (forum.php) |
| DE (1) | DE1038487B (forum.php) |
| FR (1) | FR1172522A (forum.php) |
| GB (1) | GB830518A (forum.php) |
| IT (1) | IT550130A (forum.php) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH447956A (fr) * | 1965-11-30 | 1967-05-31 | Centre Electron Horloger | Dispositif de protection contre les chocs d'un résonateur mécanique pour pièce d'horlogerie électro-mécanique |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1911062A (en) * | 1927-03-17 | 1933-05-23 | Conrad Frank | Electric clock |
| DE696032C (forum.php) * | 1931-11-21 | 1940-09-09 | Georg Heinrich Schieferstein | |
| US2260847A (en) * | 1938-05-27 | 1941-10-28 | Warren Telechron Co | Vibratory frequency standard |
| CH213932A (de) * | 1939-09-18 | 1941-03-31 | Russenberger Max | Mechanischer Schwinger mit Steuervorrichtung zur Begrenzung eines Parameters der Schwingung. |
| FR972360A (fr) * | 1941-02-14 | 1951-01-29 | Hatot Leon Ets | Horloges électromagnétiques perfectionnées |
| FR1090564A (fr) * | 1953-09-17 | 1955-03-31 | Hatot Leon Ets | Perfectionnements apportés aux mécanismes horaires et aux appareils analogues |
-
0
- IT IT550130D patent/IT550130A/it unknown
- CA CA578729A patent/CA578729A/en not_active Expired
-
1955
- 1955-03-11 CH CH336025D patent/CH336025A/de unknown
-
1956
- 1956-03-08 DE DEB39444A patent/DE1038487B/de active Pending
- 1956-03-12 GB GB7601/56A patent/GB830518A/en not_active Expired
- 1956-03-12 FR FR1172522D patent/FR1172522A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH336025A (de) | 1959-01-31 |
| DE1038487B (de) | 1958-09-04 |
| FR1172522A (fr) | 1959-02-11 |
| CA578729A (en) | 1959-06-30 |
| GB830518A (en) | 1960-03-16 |