| 发明名称 |
CONTACT CONSTRUCTION FOR ELECTRONIC WRIST WATCH |
| 摘要 |
PURPOSE:To completely prevent the establishment of a key chattering by making a contact portion of a material which has its resistance decreased in proportion to the increase in the contact pressure. |
| 申请公布号 |
JPS53125869(A) |
申请公布日期 |
1978.11.02 |
| 申请号 |
JP19770040819 |
申请日期 |
1977.04.08 |
| 申请人 |
CITIZEN WATCH CO LTD |
发明人 |
NAKAGIRI TADAHIKO |
| 分类号 |
G04C3/00;G04G9/00;G04G19/00;G04G21/00;G04G99/00;H01H13/52 |
主分类号 |
G04C3/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
