CH1898672A4 - - Google Patents
Info
- Publication number
- CH1898672A4 CH1898672A4 CH1898672D CH1898672D CH1898672A4 CH 1898672 A4 CH1898672 A4 CH 1898672A4 CH 1898672 D CH1898672 D CH 1898672D CH 1898672 D CH1898672 D CH 1898672D CH 1898672 A4 CH1898672 A4 CH 1898672A4
- 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
- G04C3/04—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 balance
- G04C3/06—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 balance using electromagnetic coupling between electric power source and balance
- G04C3/061—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 balance using electromagnetic coupling between electric power source and balance the balance controlling contacts and mechanically driving the gear-train
-
- 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
- G04B17/06—Oscillators with hairsprings, e.g. balance
- G04B17/063—Balance construction
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Measurement Of Unknown Time Intervals (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Electromechanical Clocks (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1898672A CH577211B5 (https=) | 1972-12-28 | 1972-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH1898672A4 true CH1898672A4 (https=) | 1976-01-30 |
Family
ID=4436577
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1898672D CH1898672A4 (https=) | 1972-12-28 | 1972-12-28 | |
| CH1898672A CH577211B5 (https=) | 1972-12-28 | 1972-12-28 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1898672A CH577211B5 (https=) | 1972-12-28 | 1972-12-28 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3859784A (https=) |
| JP (1) | JPS4998673A (https=) |
| CH (2) | CH1898672A4 (https=) |
| DE (1) | DE2363946B2 (https=) |
| FR (1) | FR2212578B1 (https=) |
| GB (1) | GB1427048A (https=) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2847818A (en) * | 1952-02-20 | 1958-08-19 | Junghans Helmut | Electromagnetically operated clocks |
| US3002335A (en) * | 1958-09-08 | 1961-10-03 | Marvin I Glass | Toy clock |
| US3059413A (en) * | 1959-01-02 | 1962-10-23 | Hamilton Watch Co | Pallet fork contacting and indexing means for electric watch |
| JPS5025188Y1 (https=) * | 1970-12-28 | 1975-07-29 |
-
1972
- 1972-12-28 CH CH1898672D patent/CH1898672A4/xx unknown
- 1972-12-28 CH CH1898672A patent/CH577211B5/xx not_active IP Right Cessation
-
1973
- 1973-12-07 GB GB5680273A patent/GB1427048A/en not_active Expired
- 1973-12-10 US US423132A patent/US3859784A/en not_active Expired - Lifetime
- 1973-12-20 DE DE2363946A patent/DE2363946B2/de active Granted
- 1973-12-22 JP JP49004813A patent/JPS4998673A/ja active Pending
- 1973-12-27 FR FR7347222A patent/FR2212578B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3859784A (en) | 1975-01-14 |
| DE2363946A1 (de) | 1974-07-18 |
| FR2212578A1 (https=) | 1974-07-26 |
| GB1427048A (en) | 1976-03-03 |
| DE2363946B2 (de) | 1975-08-21 |
| FR2212578B1 (https=) | 1977-09-09 |
| CH577211B5 (https=) | 1976-06-30 |
| JPS4998673A (https=) | 1974-09-18 |