| 摘要 |
PURPOSE:To execute a correction such as the compression, the magnification and the shift, etc., of data between analog input signal and an output signal by providing a correcting means correcting the valve of a digital signal in a specified system and outputting it on the way of the transmission line of the digital signal. CONSTITUTION:The correcting means 30 correcting the value of the digital signal to be outputted is provided on the way of the transmission line of the digital signal. And the means 30 is provided with a setting means 301 setting the lower limited value X1 and the upper limited value X2 of the analog input signal and the lower limited value Y1 and the upper limited value Y2 of the output signal, a computation means 302 computing a formula based on a value X, which is the value of the digital signal before correction, and the values X1, X2, Y1 and Y2 so as to obtain the value Y after correction and a round-off means 303. When the values X1, X2, Y1 and Y2 are set in specified values by the setting means 301, the alteration width of the output value Y can be compressed, magnified and shifted, etc., with respect to the alteration width of the input value X.
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