发明名称 FREQUENCY REDOUBLING DEVICE
摘要 PURPOSE:To obtain an electric signal of the redoubled frequency synchronizing with the signal frequency, by installing a D/A converter which converters the output of the counter and the register into an analog signal respectively.
申请公布号 JPS5388558(A) 申请公布日期 1978.08.04
申请号 JP19770002701 申请日期 1977.01.13
申请人 RICOH KK 发明人 KOIDE HIROSHI
分类号 H03K5/00;H03K3/72 主分类号 H03K5/00
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