CH308361A4 - - Google Patents
Info
- Publication number
- CH308361A4 CH308361A4 CH308361D CH308361D CH308361A4 CH 308361 A4 CH308361 A4 CH 308361A4 CH 308361 D CH308361 D CH 308361D CH 308361 D CH308361 D CH 308361D CH 308361 A4 CH308361 A4 CH 308361A4
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH308361A CH371057A (fr) | 1961-03-14 | 1961-03-14 | Pièce d'horlogerie électronique |
Publications (1)
Publication Number | Publication Date |
---|---|
CH308361A4 true CH308361A4 (xx) | 1963-04-11 |
Family
ID=4248243
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH308361A CH371057A (fr) | 1961-03-14 | 1961-03-14 | Pièce d'horlogerie électronique |
CH308361D CH308361A4 (xx) | 1961-03-14 | 1961-03-14 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH308361A CH371057A (fr) | 1961-03-14 | 1961-03-14 | Pièce d'horlogerie électronique |
Country Status (2)
Country | Link |
---|---|
US (1) | US3176171A (xx) |
CH (2) | CH371057A (xx) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH414472A (fr) * | 1961-05-24 | 1966-01-31 | Movado Montres | Pièce d'horlogerie comprenant un oscillateur mécanique |
US3454799A (en) * | 1966-01-21 | 1969-07-08 | Gen Electric | Torsion wire tension spring for battery operated clock |
US3432696A (en) * | 1967-05-18 | 1969-03-11 | Gen Electric | Torsion wire tension spring for a battery-operated clock |
DE1810523C3 (de) * | 1968-11-23 | 1973-12-13 | Kienzle Uhrenfabriken Gmbh, 7220 Schwenningen | Vorrichtung zum Einstellen der Schwingungsamplitude eines direkt ange triebenen mechanischen Schwingsystems |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1541138A (en) * | 1922-03-15 | 1925-06-09 | Harje August Bengtsson | Electric clock |
US2079421A (en) * | 1934-08-29 | 1937-05-04 | Ingraham E Co | Vibratory synchronous electric motor |
US2843742A (en) * | 1954-11-06 | 1958-07-15 | Philips Corp | Device for maintaining mechanical oscillations |
DE1032788B (de) * | 1954-11-25 | 1958-06-26 | Philips Nv | Transistorverstaerker mit Arbeitspunktstabilisierung |
IT552682A (xx) * | 1955-05-12 |
-
1961
- 1961-03-14 CH CH308361A patent/CH371057A/fr unknown
- 1961-03-14 CH CH308361D patent/CH308361A4/xx unknown
-
1962
- 1962-03-09 US US178711A patent/US3176171A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CH371057A (fr) | 1963-04-11 |
US3176171A (en) | 1965-03-30 |