| 发明名称 |
LIQUID CRYSTAL DISPLAY TYPE ELECTRONIC WATCH |
| 摘要 |
PURPOSE:To reduce power consumption of liquid crystal cell and prolong battery life by letting a crystal oscillator oscillate frequencies other than 2<n>, as a frequency dividing system other than 1/2 and obtaining 1 Hz for watch and 20 to 30 Hz for liquid crystal driving. |
| 申请公布号 |
JPS5418780(A) |
申请公布日期 |
1979.02.13 |
| 申请号 |
JP19770083379 |
申请日期 |
1977.07.12 |
| 申请人 |
CITIZEN WATCH CO LTD |
发明人 |
EBIHARA HEIHACHIROU;NISHIMURA KATSUO |
| 分类号 |
G04G3/02;G04G9/00;H03K3/02 |
主分类号 |
G04G3/02 |
| 代理机构 |
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代理人 |
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| 地址 |
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