| 摘要 |
<p>PURPOSE:To remarkably decrease the number of leads, by connecting a plurality of leads arranged in parallel to a driving section and a detection section alternately and using the constitution that the combination of the drive section and the detection section is different for all points. CONSTITUTION:A plurality of conductors 11 are arranged in parallel with a prescribed pitch and at least two adjacent conductors 11 are locally short-circuited with a position indicating operation by a pen or the like. The odd number conductor 11 is connected to a detection circuit via an electrode 12 and the even number conductor 11 is connected to a drive circuit via an electrode 13. The drive circuit is constituted with a switch circuit 14. The electrodes are connected with the conductors 11 every other number in common to form a plurality of detection line sets. The electrodes 13 are connected in common with prescribed number so that the combination of the detection and drive lines is all different for adjacent conductors 11 to form a plurality of the drive lines. Thus, the number of leads for the conductors 11 can remarkably be reduced and the circuit constitution can be simplified.</p> |
