GB1427048A - Electric watch with electrodynamic motor - Google Patents
Electric watch with electrodynamic motorInfo
- Publication number
- GB1427048A GB1427048A GB5680273A GB5680273A GB1427048A GB 1427048 A GB1427048 A GB 1427048A GB 5680273 A GB5680273 A GB 5680273A GB 5680273 A GB5680273 A GB 5680273A GB 1427048 A GB1427048 A GB 1427048A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lever
- balance
- coil
- fixed
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000005520 electrodynamics Effects 0.000 title 1
- 230000005291 magnetic effect Effects 0.000 abstract 3
- 239000011810 insulating material Substances 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 abstract 1
- 239000004033 plastic Substances 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
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)
- Electromechanical Clocks (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Measurement Of Unknown Time Intervals (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1898672A CH577211B5 (enrdf_load_stackoverflow) | 1972-12-28 | 1972-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1427048A true GB1427048A (en) | 1976-03-03 |
Family
ID=4436577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5680273A Expired GB1427048A (en) | 1972-12-28 | 1973-12-07 | Electric watch with electrodynamic motor |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3859784A (enrdf_load_stackoverflow) |
| JP (1) | JPS4998673A (enrdf_load_stackoverflow) |
| CH (2) | CH1898672A4 (enrdf_load_stackoverflow) |
| DE (1) | DE2363946B2 (enrdf_load_stackoverflow) |
| FR (1) | FR2212578B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1427048A (enrdf_load_stackoverflow) |
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 (enrdf_load_stackoverflow) * | 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 |
|---|---|
| FR2212578A1 (enrdf_load_stackoverflow) | 1974-07-26 |
| DE2363946A1 (de) | 1974-07-18 |
| US3859784A (en) | 1975-01-14 |
| CH577211B5 (enrdf_load_stackoverflow) | 1976-06-30 |
| FR2212578B1 (enrdf_load_stackoverflow) | 1977-09-09 |
| JPS4998673A (enrdf_load_stackoverflow) | 1974-09-18 |
| DE2363946B2 (de) | 1975-08-21 |
| CH1898672A4 (enrdf_load_stackoverflow) | 1976-01-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |