CH484465A - Sonic frequency oscillator for time measuring instrument - Google Patents
Sonic frequency oscillator for time measuring instrumentInfo
- Publication number
- CH484465A CH484465A CH1389866A CH1389866A CH484465A CH 484465 A CH484465 A CH 484465A CH 1389866 A CH1389866 A CH 1389866A CH 1389866 A CH1389866 A CH 1389866A CH 484465 A CH484465 A CH 484465A
- Authority
- CH
- Switzerland
- Prior art keywords
- measuring instrument
- time measuring
- frequency oscillator
- sonic frequency
- sonic
- 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
- G04C3/10—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
- G04C3/107—Controlling frequency or amplitude of the oscillating system
-
- 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
- G04B17/20—Compensation of mechanisms for stabilising frequency
- G04B17/22—Compensation of mechanisms for stabilising frequency for the effect of variations of temperature
-
- 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)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5888665 | 1965-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH484465A true CH484465A (en) | 1969-09-15 |
Family
ID=13097243
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1389866A CH484465A (en) | 1965-09-28 | 1966-09-27 | Sonic frequency oscillator for time measuring instrument |
| CH1389866D CH1389866A4 (en) | 1965-09-28 | 1966-09-27 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1389866D CH1389866A4 (en) | 1965-09-28 | 1966-09-27 |
Country Status (3)
| Country | Link |
|---|---|
| CH (2) | CH484465A (en) |
| DE (1) | DE1497845A1 (en) |
| GB (1) | GB1108189A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3536940A (en) * | 1968-12-17 | 1970-10-27 | United Aircraft Corp | Free-free beam vibrator |
-
1966
- 1966-09-21 GB GB4220666A patent/GB1108189A/en not_active Expired
- 1966-09-23 DE DE19661497845 patent/DE1497845A1/en active Pending
- 1966-09-27 CH CH1389866A patent/CH484465A/en not_active IP Right Cessation
- 1966-09-27 CH CH1389866D patent/CH1389866A4/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1497845A1 (en) | 1969-08-07 |
| GB1108189A (en) | 1968-04-03 |
| CH1389866A4 (en) | 1969-09-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |