BE698993A - - Google Patents
Info
- Publication number
- BE698993A BE698993A BE698993DA BE698993A BE 698993 A BE698993 A BE 698993A BE 698993D A BE698993D A BE 698993DA BE 698993 A BE698993 A BE 698993A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B43/00—Protecting clockworks by shields or other means against external influences, e.g. magnetic fields
- G04B43/002—Component shock protection arrangements
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B15/00—Escapements
- G04B15/12—Adjusting; Restricting the amplitude of the lever or the like
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B17/00—Mechanisms for stabilising frequency
- G04B17/20—Compensation of mechanisms for stabilising frequency
-
- 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)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Vibration Prevention Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH771466A CH478427A (fr) | 1966-05-27 | 1966-05-27 | Dispositif de limitation de l'amplitude d'oscillation d'un résonateur mécanique pour pièce d'horlogerie électromécanique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE698993A true BE698993A (ja) | 1967-11-03 |
Family
ID=4329358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE698993D BE698993A (ja) | 1966-05-27 | 1967-05-25 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3470401A (ja) |
| AT (1) | AT279492B (ja) |
| BE (1) | BE698993A (ja) |
| CH (2) | CH771466A4 (ja) |
| DE (1) | DE1673631B1 (ja) |
| GB (1) | GB1138135A (ja) |
| NL (1) | NL6707373A (ja) |
| SE (1) | SE341559B (ja) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3599119A (en) * | 1969-05-29 | 1971-08-10 | Ibm | Amplitude control circuit for resonistor oscillator |
| CA1271647A (en) * | 1989-04-07 | 1990-07-17 | Gerhard H. Herget | Borehole strain monitor for soft rock |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2555936A (en) * | 1948-02-26 | 1951-06-05 | Harold E Rogers | Electromagnetic reed unit for electrical musical instruments |
| US2750730A (en) * | 1952-03-20 | 1956-06-19 | Ingraham E Co | Shock and vibration proof oscillator |
| IT558253A (ja) * | 1953-06-19 | |||
| US2860290A (en) * | 1954-09-01 | 1958-11-11 | Mallory & Co Inc P R | Vibrator mounting |
| US2971104A (en) * | 1957-04-22 | 1961-02-07 | Varo Mfg Co Inc | Tuning fork assembly including driving and pick-up coils |
| US3156857A (en) * | 1958-12-17 | 1964-11-10 | Herr Fritz | Electrodynamic rate regulator arrangement for clocks |
| FR1424368A (fr) * | 1965-02-11 | 1966-01-07 | Centre Electron Horloger | Perfectionnements aux montres électroniques |
| US3308313A (en) * | 1966-01-11 | 1967-03-07 | Movado Montres | Torsion oscillator |
-
1966
- 1966-05-27 CH CH771466D patent/CH771466A4/xx unknown
- 1966-05-27 CH CH771466A patent/CH478427A/fr not_active IP Right Cessation
-
1967
- 1967-05-22 AT AT478267A patent/AT279492B/de not_active IP Right Cessation
- 1967-05-22 GB GB23674/67A patent/GB1138135A/en not_active Expired
- 1967-05-24 DE DE19671673631 patent/DE1673631B1/de active Pending
- 1967-05-25 BE BE698993D patent/BE698993A/xx unknown
- 1967-05-26 US US641564A patent/US3470401A/en not_active Expired - Lifetime
- 1967-05-26 SE SE07407/67A patent/SE341559B/xx unknown
- 1967-05-26 NL NL6707373A patent/NL6707373A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1138135A (en) | 1968-12-27 |
| AT279492B (de) | 1970-03-10 |
| SE341559B (ja) | 1971-12-27 |
| NL6707373A (ja) | 1967-11-28 |
| CH478427A (fr) | 1969-01-31 |
| DE1673631B1 (de) | 1970-11-05 |
| US3470401A (en) | 1969-09-30 |
| CH771466A4 (ja) | 1969-01-31 |