| 发明名称 |
SIGNAL PROCESSING CIRCUIT, INSTRUMENT FOR TESTING ELECTRIC POWER CONSUMPTION |
| 摘要 |
instruments. SUBSTANCE: signal processing circuit has modulation stages and demodulation stages for specific frequency ratio. EFFECT: increased precision. 14 cl, 4 dwg |
| 申请公布号 |
RU2156539(C2) |
申请公布日期 |
2000.09.20 |
| 申请号 |
RU19940001560 |
申请日期 |
1994.01.19 |
| 申请人 |
SHLJUMBERZHE EHNDJUSTRI S.A. |
发明人 |
MISHEL' ZHERVEH;ALEN BAZEHN;DENIZ SHANG |
| 分类号 |
H03M3/00;G01R11/17;G01R11/48;G01R21/00;G01R21/133;G06F7/62;G06G7/161;H03K7/06;H03M3/02 |
主分类号 |
H03M3/00 |
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