CH467484A - Frequency standard for time-keeping devices - Google Patents
Frequency standard for time-keeping devicesInfo
- Publication number
- CH467484A CH467484A CH881266A CH881266A CH467484A CH 467484 A CH467484 A CH 467484A CH 881266 A CH881266 A CH 881266A CH 881266 A CH881266 A CH 881266A CH 467484 A CH467484 A CH 467484A
- Authority
- CH
- Switzerland
- Prior art keywords
- time
- frequency standard
- keeping devices
- keeping
- devices
- 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
-
- 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
- G04B17/04—Oscillators acting by spring tension
- G04B17/045—Oscillators acting by spring tension with oscillating blade springs
-
- 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
- G04C3/102—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 of the mechanical oscillator or of the coil
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEU0009647 | 1963-03-16 | ||
DEU10481A DE1195349B (en) | 1964-02-07 | 1964-02-07 | Frequency standard with a vibration system that has at least one mechanical vibrator that can be driven to vibrate by a vibration drive |
Publications (1)
Publication Number | Publication Date |
---|---|
CH467484A true CH467484A (en) | 1968-09-30 |
Family
ID=26000972
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH881366A CH461376A (en) | 1963-03-16 | 1964-03-11 | Frequency standard for time-keeping devices |
CH1384664A CH440139A (en) | 1963-03-16 | 1964-03-11 | Frequency standard for time-keeping devices |
CH322264A CH470701A (en) | 1963-03-16 | 1964-03-11 | Vibration-compensated frequency standard for time-keeping devices |
CH881266A CH467484A (en) | 1963-03-16 | 1964-03-11 | Frequency standard for time-keeping devices |
Family Applications Before (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH881366A CH461376A (en) | 1963-03-16 | 1964-03-11 | Frequency standard for time-keeping devices |
CH1384664A CH440139A (en) | 1963-03-16 | 1964-03-11 | Frequency standard for time-keeping devices |
CH322264A CH470701A (en) | 1963-03-16 | 1964-03-11 | Vibration-compensated frequency standard for time-keeping devices |
Country Status (1)
Country | Link |
---|---|
CH (4) | CH461376A (en) |
-
1964
- 1964-03-11 CH CH881366A patent/CH461376A/en unknown
- 1964-03-11 CH CH1384664A patent/CH440139A/en unknown
- 1964-03-11 CH CH322264A patent/CH470701A/en not_active IP Right Cessation
- 1964-03-11 CH CH881266A patent/CH467484A/en unknown
Also Published As
Publication number | Publication date |
---|---|
CH881366A4 (en) | 1968-04-11 |
CH470701A (en) | 1968-12-13 |
CH1384664A4 (en) | 1967-02-15 |
CH461376A (en) | 1968-10-15 |
CH440139A (en) | 1967-12-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH476333A (en) | Resonator for timing devices | |
AT265325B (en) | Device for beam recorders | |
FR1397097A (en) | Static frequency converter | |
CH481412A (en) | Oscillators for timing devices | |
AT245773B (en) | Connection element for components | |
CH427931A (en) | Tuning arrangement for ultra-short waves | |
AT252114B (en) | Carrying device for objects | |
CH427926A (en) | Frequency modulator | |
CH429975A (en) | Semiconductor crystal for laser | |
CH434127A (en) | Circuit arrangement for electronically operated clocks | |
CH399335A (en) | Watch box | |
AT249115B (en) | Frequency discriminator | |
CH467484A (en) | Frequency standard for time-keeping devices | |
CH475586A (en) | Frequency standard for time-keeping devices | |
AT239340B (en) | High frequency circuit for condenser microphones | |
FR1421674A (en) | Frequency discriminator | |
CH443155A (en) | Bell for timing devices | |
FR1387845A (en) | Frequency meter | |
CH402183A (en) | Frequency relay | |
CH397774A (en) | Frequency divider | |
FI36714A (en) | Frequency | |
CH407602A (en) | Tachograph | |
CH458219A (en) | Time-keeping device | |
ES98753Y (en) | Minute clock | |
CH421000A (en) | Wristwatch |