| 摘要 |
PROBLEM TO BE SOLVED: To provide a technology for properly acquiring a data signal according to the timing of a data signal. SOLUTION: A data signal is acquired in a plurality of mutually different timings, thereby intermediate data signals being a plurality of types of relayed data signals of mutually different timings of acquiring the original data signal are outputted, and one type of intermediate data signal is selected and acquired from among the plurality of types of outputted intermediate data signals. COPYRIGHT: (C)2006,JPO&NCIPI
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