CH1553471A4 - - Google Patents
Info
- Publication number
- CH1553471A4 CH1553471A4 CH1553471D CH1553471D CH1553471A4 CH 1553471 A4 CH1553471 A4 CH 1553471A4 CH 1553471 D CH1553471 D CH 1553471D CH 1553471 D CH1553471 D CH 1553471D CH 1553471 A4 CH1553471 A4 CH 1553471A4
- 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
- G04C3/12—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)
- Oscillators With Electromechanical Resonators (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7136861A FR2155156A6 (de) | 1970-04-27 | 1971-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH1553471A4 true CH1553471A4 (de) | 1975-12-31 |
Family
ID=9084334
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1553471A CH578758B5 (de) | 1971-09-27 | 1971-10-26 | |
| CH1553471D CH1553471A4 (de) | 1971-09-27 | 1971-10-26 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1553471A CH578758B5 (de) | 1971-09-27 | 1971-10-26 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3790827A (de) |
| JP (1) | JPS4853768A (de) |
| CH (2) | CH578758B5 (de) |
| GB (1) | GB1377372A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2841553C2 (de) * | 1978-09-23 | 1982-08-26 | Robert Bosch Gmbh, 7000 Stuttgart | Biegeschwinger-Klopfsensor |
| EP3537593B1 (de) * | 2018-03-09 | 2024-04-24 | ETA SA Manufacture Horlogère Suisse | Rotationsvorrichtung für ein zahnrad |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1693806A (en) * | 1925-02-28 | 1928-12-04 | Rca Corp | Electromechanical system |
| US1866267A (en) * | 1927-01-24 | 1932-07-05 | Wired Radio Inc | Production of oscillations from piezo electric crystals |
| US2105011A (en) * | 1931-11-13 | 1938-01-11 | Brush Dev Co | Piezo-electric apparatus |
| US2364681A (en) * | 1941-08-25 | 1944-12-12 | Russell B Wright | Pendulum support |
| US2578620A (en) * | 1948-04-30 | 1951-12-11 | Us Rubber Co | Method of controlling thread tension |
| US2561763A (en) * | 1948-12-24 | 1951-07-24 | Buffalo Electronics Corp | Material flow indicator |
| US2875353A (en) * | 1953-05-29 | 1959-02-24 | Philco Corp | Electromechanical reed system |
| US2848672A (en) * | 1955-07-26 | 1958-08-19 | Harris Transducer Corp | Self-excited transducer |
| US3336529A (en) * | 1962-12-03 | 1967-08-15 | Lockheed Aircraft Corp | Vibrating reed frequency responsive device |
| US3457463A (en) * | 1965-07-07 | 1969-07-22 | Lewis Balamuth | Method and apparatus for generating electric currents of small magnitude |
| US3657874A (en) * | 1970-03-12 | 1972-04-25 | Suwa Seikosha Kk | Electric timepiece |
| US3644807A (en) * | 1970-04-28 | 1972-02-22 | Robertshaw Controls Co | Frequency regulated inverter circuit for a synchronous motor |
-
1971
- 1971-10-26 CH CH1553471A patent/CH578758B5/xx not_active IP Right Cessation
- 1971-10-26 CH CH1553471D patent/CH1553471A4/xx unknown
- 1971-11-16 GB GB5315071A patent/GB1377372A/en not_active Expired
- 1971-11-17 JP JP46091574A patent/JPS4853768A/ja active Pending
- 1971-11-18 US US00199890A patent/US3790827A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB1377372A (en) | 1974-12-11 |
| CH578758B5 (de) | 1976-08-13 |
| JPS4853768A (de) | 1973-07-28 |
| US3790827A (en) | 1974-02-05 |