| 发明名称 |
Driving means for time pieces. |
| 摘要 |
<p>Driving means for timepieces including two single-phase stepper motors (1, 2), each stepper motor having a different preferred direction of rotation. Two-way driving is carried out by supplying one of the two motors selectively. <IMAGE></p> |
| 申请公布号 |
EP0568751(A1) |
申请公布日期 |
1993.11.10 |
| 申请号 |
EP19920810324 |
申请日期 |
1992.05.04 |
| 申请人 |
DETRA SA |
发明人 |
TU, MAI XUAN;SCHWAB, MICHEL |
| 分类号 |
G04C3/14;(IPC1-7):G04C3/14 |
主分类号 |
G04C3/14 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
