| 摘要 |
A threshold value control circuit about multiple current signal receivers controlling a plurality of signal threshold values is provided to detect one of inputted current signals having a predetermined signal pattern and control data signal detection threshold values. Current signal receiver circuit receives each one among a plurality of threshold value control signals and a plurality of current signals. Each one of a plurality of data signals(11d) corresponds to each one among a plurality of current signals. Each one among a plurality of threshold value control signals has each value related to each one among a plurality of current signals.
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