发明名称 |
AMPLITUDE VALUE CALCULATING APPARTUS |
摘要 |
PURPOSE:The apparatus is so devised that the amplitude values of input a-c quantities can be calculated from only data varying by 90 deg. in electrical angle without operation for finding square root, whereby the defects of both addition and selfmultiplication methods are solved simultaneously. |
申请公布号 |
JPS5228363(A) |
申请公布日期 |
1977.03.03 |
申请号 |
JP19750104054 |
申请日期 |
1975.08.29 |
申请人 |
TOKYO DENRYOKU KK;TOKYO SHIBAURA DENKI KK |
发明人 |
IWASAKI MINORU;ANDOU FUMIO;MATSUSHIMA TETSUO |
分类号 |
G01R19/04;G01R19/25;H02H3/02 |
主分类号 |
G01R19/04 |
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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