| 发明名称 |
22HANDS ELECTRONIC WATCH WITH BATTERY LIFE DISPLAY |
| 摘要 |
PURPOSE:To perform the battery life displaying of a 2-hands display type electronic watch without adding any second hand and other additional mechanisms at all by detecting battery voltage and changing the driving pulses of a switching device. |
| 申请公布号 |
JPS547375(A) |
申请公布日期 |
1979.01.20 |
| 申请号 |
JP19770072574 |
申请日期 |
1977.06.17 |
| 申请人 |
SEIKO INSTR & ELECTRONICS |
发明人 |
ISHIDA TAKASHI;SATOU KATSUHIKO |
| 分类号 |
H02P8/34;G04C10/04;H02P8/02 |
主分类号 |
H02P8/34 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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