| 发明名称 |
ELECTRIC CHARGE INDICATOR |
| 摘要 |
PURPOSE:To accurately display charged amount with simple mechanism by detecting variation of alternate frequency of alternate voltage generator circuit which is carrelated with charged amount of a condensor when electric current from alternate voltage generation circuit is rectified and charge d to condensor and by suing liquid crystal. |
| 申请公布号 |
JPS5220877(A) |
申请公布日期 |
1977.02.17 |
| 申请号 |
JP19750096913 |
申请日期 |
1975.08.09 |
| 申请人 |
CANON KK |
发明人 |
TSUNEKAWA TOKUICHI;SUZUKI RIYOUICHI;MATSUMOTO SEIICHI;AMIKURA TAKASHI;UCHIYAMA TAKASHI |
| 分类号 |
G03B15/05;G01R13/40;G01R19/145;G01R19/165;G02F1/13;G02F1/133;H05B41/30 |
主分类号 |
G03B15/05 |
| 代理机构 |
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代理人 |
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| 地址 |
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