GB1258872A - - Google Patents
Info
- Publication number
- GB1258872A GB1258872A GB1258872DA GB1258872A GB 1258872 A GB1258872 A GB 1258872A GB 1258872D A GB1258872D A GB 1258872DA GB 1258872 A GB1258872 A GB 1258872A
- Authority
- GB
- United Kingdom
- Prior art keywords
- switch
- timepieces
- battery
- mainspring
- jan
- 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
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
- G04C3/065—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 gear-train by means of static switches, e.g. transistor circuits
- G04C3/067—Driving circuits with distinct detecting and driving coils
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C1/00—Winding mechanical clocks electrically
- G04C1/04—Winding mechanical clocks electrically by electric motors with rotating or with reciprocating movement
- G04C1/06—Winding mechanical clocks electrically by electric motors with rotating or with reciprocating movement winding-up 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
- G04C3/008—Mounting, assembling of components
-
- 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
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G19/00—Electric power supply circuits specially adapted for use in electronic time-pieces
- G04G19/12—Arrangements for reducing power consumption during storage
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Electromechanical Clocks (AREA)
- Electric Clocks (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP170469 | 1969-01-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1258872A true GB1258872A (it) | 1971-12-30 |
Family
ID=11508920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1258872D Expired GB1258872A (it) | 1969-01-10 | 1970-01-09 |
Country Status (3)
| Country | Link |
|---|---|
| CH (2) | CH552240A (it) |
| DE (1) | DE2001109A1 (it) |
| GB (1) | GB1258872A (it) |
-
1970
- 1970-01-09 CH CH26770A patent/CH552240A/xx unknown
- 1970-01-09 GB GB1258872D patent/GB1258872A/en not_active Expired
- 1970-01-09 CH CH26770D patent/CH26770A4/xx unknown
- 1970-01-12 DE DE19702001109 patent/DE2001109A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CH552240A (it) | 1974-07-31 |
| DE2001109A1 (de) | 1971-07-22 |
| CH26770A4 (it) | 1974-02-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3745760A (en) | Electronic switch for timepieces | |
| GB1258872A (it) | ||
| GB825233A (en) | Improvements in or relating to electric time-pieces | |
| GB1047826A (en) | Improvements in or relating to control pusher units in time-pieces | |
| US3726081A (en) | Electric time-piece with chronograph indicator | |
| GB828357A (en) | Improvements in or relating to a watch or clock | |
| GB929591A (en) | Driving system for time-pieces | |
| GB1337814A (en) | Electronic timepiece movements | |
| GB1087956A (en) | Alarm timepiece | |
| GB1074844A (en) | Improvements in or relating to timepieces | |
| GB1025165A (en) | Improvements in or relating to motion transformers for electronically controlled timepiece | |
| GB932265A (en) | Synchronised magnetic escapements | |
| GB1073624A (en) | Improvements in and relating to transistor-driven speed regulators in electronic timepieces | |
| GB1399903A (en) | Wrist watch having a push-button | |
| GB857937A (en) | A self-winding mechanism for watches | |
| GB1339232A (en) | Timepiece having a liquid crystal display | |
| JPH0441349Y2 (it) | ||
| JPS61144588A (ja) | 電子腕時計 | |
| GB926499A (en) | Improvements in or relating to electro-magnetic winding devices for timepieces | |
| GB1397982A (en) | Timing devices | |
| FR1225705A (fr) | Mécanisme d'horlogerie pour montres, notamment pour montres-bracelets à remontage par masselotte centrifuge | |
| JPS61126496A (ja) | 電子腕時計 | |
| GB950805A (en) | Watchcase | |
| GB825856A (en) | Time-piece | |
| GB940299A (en) | Clock with centre seconds and hand setting through the centre |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |