| 发明名称 |
BATTERY LIFE DISPLAY OF CRYSTAL WATCHES |
| 摘要 |
PURPOSE:To display battery life through movement of the minute hand and eliminate indication errors by turning the minute hand counterclockwise for a specified time and changing the sate of resetting the minute hand according to the state of battery voltage by means of a switch and a counter. |
| 申请公布号 |
JPS53101465(A) |
申请公布日期 |
1978.09.04 |
| 申请号 |
JP19760112755 |
申请日期 |
1976.09.20 |
| 申请人 |
SEIKO INSTR & ELECTRONICS |
发明人 |
NAKAO HIDEYUKI;KASAI YASUHIRO;IKEHATA YUKIO;OBARA NOBUO;MASUDA SHIGEYUKI |
| 分类号 |
G01R31/36;G04C10/04;H01M10/48 |
主分类号 |
G01R31/36 |
| 代理机构 |
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代理人 |
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| 地址 |
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