| 发明名称 |
WATCH USING BATTERY AS POWER SUPPLY |
| 摘要 |
PURPOSE:A battery having voltage flat parts of more than two steps is used as a power supply, a liquid crystal panel whose color changes with the change of voltage is provided to a part of a dial and fromlthe change in its color, the battery life is suitably known. |
| 申请公布号 |
JPS5334569(A) |
申请公布日期 |
1978.03.31 |
| 申请号 |
JP19760109154 |
申请日期 |
1976.09.10 |
| 申请人 |
SEIKO INSTR & ELECTRONICS |
发明人 |
SUGIMOTO KOUICHI;TAKEDA KAZUTOSHI |
| 分类号 |
G04G9/00;G02F1/133;G04C10/04;G09F9/00 |
主分类号 |
G04G9/00 |
| 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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