BE711629A - - Google Patents
Info
- Publication number
- BE711629A BE711629A BE711629DA BE711629A BE 711629 A BE711629 A BE 711629A BE 711629D A BE711629D A BE 711629DA BE 711629 A BE711629 A BE 711629A
- Authority
- BE
- Belgium
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
- G04C3/107—Controlling frequency or amplitude of the oscillating system
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- 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
- G04C3/102—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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH457567A CH469299A (fr) | 1967-03-31 | 1967-03-31 | Résonateur mécanique pour pièce d'horlogerie |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE711629A true BE711629A (en:Method) | 1968-09-04 |
Family
ID=4278644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE711629D BE711629A (en:Method) | 1967-03-31 | 1968-03-04 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3486049A (en:Method) |
| AT (1) | AT278665B (en:Method) |
| BE (1) | BE711629A (en:Method) |
| CH (1) | CH469299A (en:Method) |
| DE (1) | DE1673635A1 (en:Method) |
| FR (1) | FR1559271A (en:Method) |
| GB (1) | GB1163706A (en:Method) |
| NL (1) | NL6803274A (en:Method) |
| SE (1) | SE345754B (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH247769A4 (en:Method) * | 1969-02-19 | 1971-12-15 | ||
| EP3327515B1 (fr) * | 2016-11-23 | 2020-05-06 | ETA SA Manufacture Horlogère Suisse | Resonateur rotatif a guidage flexible entretenu par un echappement libre a ancre |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA741517A (en) * | 1966-08-30 | Ishikawa Kazuo | Added mass type circular tuning fork | |
| NL283314A (en:Method) * | 1961-09-18 | |||
| CH58264A4 (en:Method) * | 1964-01-20 | 1965-09-15 | ||
| CH409791A (de) * | 1964-02-18 | 1965-11-30 | Centre Electron Horloger | Elektronische Kleinuhr |
| CH421827A (de) * | 1964-07-31 | 1967-04-15 | Centre Electron Horloger | Mechanischer Resonator für Normalfrequenzoszillatoren in Zeitmessgeräten |
-
1967
- 1967-03-31 CH CH457567A patent/CH469299A/fr unknown
-
1968
- 1968-03-01 GB GB00041/68A patent/GB1163706A/en not_active Expired
- 1968-03-02 DE DE1968C0044761 patent/DE1673635A1/de active Pending
- 1968-03-04 BE BE711629D patent/BE711629A/xx unknown
- 1968-03-07 NL NL6803274A patent/NL6803274A/xx unknown
- 1968-03-07 FR FR142827A patent/FR1559271A/fr not_active Expired
- 1968-03-12 US US712509A patent/US3486049A/en not_active Expired - Lifetime
- 1968-03-14 AT AT252868A patent/AT278665B/de not_active IP Right Cessation
- 1968-03-22 SE SE3905/68A patent/SE345754B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AT278665B (de) | 1970-02-10 |
| FR1559271A (en:Method) | 1969-03-07 |
| NL6803274A (en:Method) | 1968-10-01 |
| GB1163706A (en) | 1969-09-10 |
| CH469299A (fr) | 1969-04-15 |
| SE345754B (en:Method) | 1972-06-05 |
| DE1673635A1 (de) | 1972-02-10 |
| US3486049A (en) | 1969-12-23 |