| 摘要 |
<p>PURPOSE:To calculate an accurate coordinate value at all times by judging whether or not the maximum voltage value of detected coordinate calculatable voltage distribution is a peak voltage where a coordinate indicator is positioned at. CONSTITUTION:This reader is provided with a storage circuit 12 for storing the maximum voltage value of the detected coordinate calculatable voltage distribution and a peak voltage judging circuit 13 for comparing the voltage value of detected induction signals with the voltage value stored in the storage circuit by selecting the line of a predetermined distance from the lines with the lines in an X direction and a Y direction when the maximum voltage value is detected as reference and judging whether or not the stored voltage value is the peak voltage where the coordinate indicator 7 is positioned at.</p> |
