CH87570A4 - - Google Patents
Info
- Publication number
- CH87570A4 CH87570A4 CH87570D CH87570DD CH87570A4 CH 87570 A4 CH87570 A4 CH 87570A4 CH 87570 D CH87570 D CH 87570D CH 87570D D CH87570D D CH 87570DD CH 87570 A4 CH87570 A4 CH 87570A4
- 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
- G04C3/10—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B3/00—Methods or apparatus specially adapted for transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Feeding Of Articles To Conveyors (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1969005537U JPS4818198Y1 (fi) | 1969-01-23 | 1969-01-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH87570A4 true CH87570A4 (fi) | 1973-02-28 |
Family
ID=11613924
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH87570A CH538134A (fr) | 1969-01-23 | 1970-01-22 | Vibreur destiné à être utilisé comme base de temps dans une pièce d'horlogerie |
| CH87570D CH87570A4 (fi) | 1969-01-23 | 1970-01-22 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH87570A CH538134A (fr) | 1969-01-23 | 1970-01-22 | Vibreur destiné à être utilisé comme base de temps dans une pièce d'horlogerie |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3917966A (fi) |
| JP (1) | JPS4818198Y1 (fi) |
| CH (2) | CH538134A (fi) |
| DE (1) | DE2002171B2 (fi) |
| GB (1) | GB1265281A (fi) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4165607A (en) * | 1977-01-28 | 1979-08-28 | Motorola, Inc. | Watch module |
| US4721925A (en) * | 1986-11-20 | 1988-01-26 | Motorola, Inc. | Micromechanical electronic oscillator |
| US6467345B1 (en) | 1993-10-18 | 2002-10-22 | Xros, Inc. | Method of operating micromachined members coupled for relative rotation |
| WO1998044571A1 (en) * | 1997-04-01 | 1998-10-08 | Xros, Inc. | Adjusting operating characteristics of micromachined torsional oscillators |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH243725A (de) * | 1944-12-13 | 1946-07-31 | Patelhold Patentverwertung | Einrichtung mit einem mechanischen, durch elektrische Mittel in Schwingungen zu versetzenden Schwingsystem. |
| US3150337A (en) * | 1961-02-27 | 1964-09-22 | Armec Corp | Electro-mechanical resonant device |
| CH481412A (de) * | 1966-09-26 | 1969-07-31 | Straumann Inst Ag | Schwinger für Zeitmessgeräte |
-
1969
- 1969-01-23 JP JP1969005537U patent/JPS4818198Y1/ja not_active Expired
-
1970
- 1970-01-19 DE DE19702002171D patent/DE2002171B2/de active Granted
- 1970-01-20 GB GB1265281D patent/GB1265281A/en not_active Expired
- 1970-01-22 CH CH87570A patent/CH538134A/fr unknown
- 1970-01-22 CH CH87570D patent/CH87570A4/xx unknown
-
1974
- 1974-12-12 US US531978A patent/US3917966A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2002171B2 (de) | 1975-11-20 |
| GB1265281A (fi) | 1972-03-01 |
| US3917966A (en) | 1975-11-04 |
| JPS4818198Y1 (fi) | 1973-05-24 |
| CH538134A (fr) | 1973-07-31 |