CH931069A4 - - Google Patents
Info
- Publication number
- CH931069A4 CH931069A4 CH931069DD CH931069A4 CH 931069 A4 CH931069 A4 CH 931069A4 CH 931069D D CH931069D D CH 931069DD CH 931069 A4 CH931069 A4 CH 931069A4
- Authority
- CH
- Switzerland
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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681773678 DE1773678C (de) | 1968-06-21 | Frequenznormal für zeithaltende Geräte in Form eines flachen zweiarmigen Gabelschwingers | |
| DE19691922640 DE1922640C3 (de) | 1969-05-03 | 1969-05-03 | Als Frequenznormal für zeithaltende Geräte verwendbarer mechanischer Schwinger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH931069A4 true CH931069A4 (xx) | 1971-04-15 |
Family
ID=25755640
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH931069A CH512758A (de) | 1968-06-21 | 1969-06-18 | Als Frequenznormal für zeithaltende Geräte verwendbarer mechanischer Schwinger |
| CH931069D CH931069A4 (xx) | 1968-06-21 | 1969-06-18 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH931069A CH512758A (de) | 1968-06-21 | 1969-06-18 | Als Frequenznormal für zeithaltende Geräte verwendbarer mechanischer Schwinger |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3593516A (xx) |
| CH (2) | CH512758A (xx) |
| FR (1) | FR2011406B1 (xx) |
| GB (1) | GB1232724A (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51114051A (en) * | 1975-03-31 | 1976-10-07 | Noto Denshi Kogyo Kk | Tuning fork vibrator |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3462939A (en) * | 1965-02-12 | 1969-08-26 | Tokei Kk | Mechanical vibrator for timepiece |
| FR1469345A (fr) * | 1966-02-11 | 1967-02-10 | Citizen Watch Co Ltd | Vibrateur mécanique ainsi que mécanisme d'horlogerie, notamment montre, équipé avec un vibrateur conforme ou similaire au précédent |
-
1969
- 1969-06-18 CH CH931069A patent/CH512758A/de not_active IP Right Cessation
- 1969-06-18 CH CH931069D patent/CH931069A4/xx unknown
- 1969-06-20 FR FR6920704A patent/FR2011406B1/fr not_active Expired
- 1969-06-23 GB GB1232724D patent/GB1232724A/en not_active Expired
- 1969-06-23 US US835422A patent/US3593516A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2011406A1 (xx) | 1970-02-27 |
| GB1232724A (xx) | 1971-05-19 |
| US3593516A (en) | 1971-07-20 |
| CH512758A (de) | 1971-04-15 |
| FR2011406B1 (xx) | 1973-10-19 |