| 摘要 |
A sensor signal processor includes a scale having optically or magnetically fine divisions; a detection sensor that moves with respect to the scale and that is provided in association with the divisions of the scale; and a position detecting unit for calculating positional information by using a counter value of digital pulse signals generated from the outputs from the detection sensor and analog signals generated from the outputs from the detection sensor. The sensor signal processor yields the positional information by using both the digital pulse signals and the analog signals.
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