CH400917A - Electric timepiece - Google Patents
Electric timepieceInfo
- Publication number
- CH400917A CH400917A CH194162A CH194162A CH400917A CH 400917 A CH400917 A CH 400917A CH 194162 A CH194162 A CH 194162A CH 194162 A CH194162 A CH 194162A CH 400917 A CH400917 A CH 400917A
- Authority
- CH
- Switzerland
- Prior art keywords
- electric timepiece
- timepiece
- electric
- Prior art date
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)
- Electric Clocks (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP716361 | 1961-02-16 | ||
| JP532361 | 1961-02-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH400917A true CH400917A (en) | 1965-06-30 |
Family
ID=26339246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH194162A CH400917A (en) | 1961-02-16 | 1962-02-15 | Electric timepiece |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH400917A (en) |
| DE (1) | DE1523943A1 (en) |
| GB (1) | GB993140A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3462939A (en) * | 1965-02-12 | 1969-08-26 | Tokei Kk | Mechanical vibrator for timepiece |
| US3512352A (en) * | 1967-04-12 | 1970-05-19 | Seiko Instr & Electronics | Frequency regulator and method for regulating frequency of electric timepieces |
| DE2035587A1 (en) * | 1970-07-17 | 1972-01-20 | Siemens Ag | Uhrantneb with piezoelectric tuning fork |
-
1962
- 1962-02-15 DE DE19621523943 patent/DE1523943A1/en active Pending
- 1962-02-15 CH CH194162A patent/CH400917A/en unknown
- 1962-02-16 GB GB612062A patent/GB993140A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB993140A (en) | 1965-05-26 |
| DE1523943A1 (en) | 1969-12-11 |
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