FR2155156A6 - - Google Patents
Info
- Publication number
- FR2155156A6 FR2155156A6 FR7136861A FR7136861A FR2155156A6 FR 2155156 A6 FR2155156 A6 FR 2155156A6 FR 7136861 A FR7136861 A FR 7136861A FR 7136861 A FR7136861 A FR 7136861A FR 2155156 A6 FR2155156 A6 FR 2155156A6
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- G04C3/12—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 piezoelectric means; driven by magneto-strictive means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7136861A FR2155156A6 (de) | 1970-04-27 | 1971-09-27 | |
| CH1553471A CH578758B5 (de) | 1971-09-27 | 1971-10-26 | |
| CH1553471D CH1553471A4 (de) | 1971-09-27 | 1971-10-26 | |
| GB5315071A GB1377372A (en) | 1971-09-27 | 1971-11-16 | Piezoelectric oscillator device for a timepiece |
| JP46091574A JPS4853768A (de) | 1971-09-27 | 1971-11-17 | |
| US00199890A US3790827A (en) | 1971-09-27 | 1971-11-18 | Piezo-electric control device for clock work and the like timing systems |
| DE19722238729 DE2238729C3 (de) | 1970-04-27 | 1972-08-05 | In einem elektrischen Uhrwerk als Zeitbasis dienender mechanischer Resonator |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7015211A FR2120193A5 (de) | 1970-04-27 | 1970-04-27 | |
| FR7136861A FR2155156A6 (de) | 1970-04-27 | 1971-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2155156A6 true FR2155156A6 (de) | 1973-05-18 |
Family
ID=26215698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7136861A Expired FR2155156A6 (de) | 1970-04-27 | 1971-09-27 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2238729C3 (de) |
| FR (1) | FR2155156A6 (de) |
-
1971
- 1971-09-27 FR FR7136861A patent/FR2155156A6/fr not_active Expired
-
1972
- 1972-08-05 DE DE19722238729 patent/DE2238729C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2238729A1 (de) | 1973-04-12 |
| DE2238729C3 (de) | 1974-07-25 |
| DE2238729B2 (de) | 1974-01-03 |