BE772339A - Piece d'horlogerie electrique a resonateur de torsion - Google Patents
Piece d'horlogerie electrique a resonateur de torsionInfo
- Publication number
- BE772339A BE772339A BE772339A BE772339A BE772339A BE 772339 A BE772339 A BE 772339A BE 772339 A BE772339 A BE 772339A BE 772339 A BE772339 A BE 772339A BE 772339 A BE772339 A BE 772339A
- Authority
- BE
- Belgium
- Prior art keywords
- watch part
- torsion resonator
- electrical watch
- electrical
- resonator
- Prior art date
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
- G04B17/00—Mechanisms for stabilising frequency
- G04B17/04—Oscillators acting by spring tension
- G04B17/10—Oscillators with torsion strips or springs acting in the same manner as torsion strips, e.g. weight oscillating in a horizontal plane
-
- 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)
- Electric Clocks (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1440370A CH524167A (fr) | 1970-09-29 | 1970-09-29 | Pièce d'horlogerie électrique à résonateur de torsion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE772339A true BE772339A (fr) | 1972-01-17 |
Family
ID=4400550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE772339A BE772339A (fr) | 1970-09-29 | 1971-09-08 | Piece d'horlogerie electrique a resonateur de torsion |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3782101A (xx) |
| BE (1) | BE772339A (xx) |
| CA (1) | CA940719A (xx) |
| CH (2) | CH524167A (xx) |
| DE (1) | DE2146929C3 (xx) |
| FR (1) | FR2108050B1 (xx) |
| NL (1) | NL7113188A (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1468319A (en) * | 1974-04-09 | 1977-03-23 | Seiko Instr & Electronics | Driving electric micro-motors for electronic timepieces |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US25328A (en) * | 1859-09-06 | Foam-collector for steam-boilers | ||
| CH421827A (de) * | 1964-07-31 | 1967-04-15 | Centre Electron Horloger | Mechanischer Resonator für Normalfrequenzoszillatoren in Zeitmessgeräten |
| GB1108028A (en) * | 1966-11-11 | 1968-03-27 | Centre Electron Horloger | Electro-mechanical watch |
| CH911567A4 (xx) * | 1967-06-27 | 1970-10-30 | ||
| JPS5044130Y1 (xx) * | 1969-03-14 | 1975-12-16 | ||
| CH392569A4 (xx) * | 1969-03-17 | 1970-12-15 | ||
| CH392669A4 (xx) * | 1969-03-17 | 1971-02-26 | ||
| US3595007A (en) * | 1969-08-29 | 1971-07-27 | Hb Eng Corp | Resonator-driven timepiece |
| US3642344A (en) * | 1970-11-27 | 1972-02-15 | Honeywell Inc | Optical scanner having high-frequency torsional oscillator |
-
1970
- 1970-09-29 CH CH1440370A patent/CH524167A/fr not_active IP Right Cessation
- 1970-09-29 CH CH1440370D patent/CH1440370A4/xx unknown
-
1971
- 1971-09-08 BE BE772339A patent/BE772339A/xx unknown
- 1971-09-08 FR FR7132428A patent/FR2108050B1/fr not_active Expired
- 1971-09-10 CA CA122,543A patent/CA940719A/en not_active Expired
- 1971-09-20 DE DE2146929A patent/DE2146929C3/de not_active Expired
- 1971-09-20 US US00182085A patent/US3782101A/en not_active Expired - Lifetime
- 1971-09-24 NL NL7113188A patent/NL7113188A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2108050A1 (xx) | 1972-05-12 |
| DE2146929B2 (de) | 1973-03-29 |
| FR2108050B1 (xx) | 1974-05-10 |
| DE2146929A1 (de) | 1972-03-30 |
| NL7113188A (xx) | 1972-04-04 |
| US3782101A (en) | 1974-01-01 |
| CH1440370A4 (xx) | 1972-02-29 |
| CA940719A (en) | 1974-01-29 |
| CH524167A (fr) | 1972-02-29 |
| DE2146929C3 (de) | 1973-10-25 |
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