| 摘要 |
<p>PURPOSE:To omit a mechanical switch and to improve economical efficiency in a magnetostriction type coordinate reader, by uniting a conductive member with a detecting coil and fitting the united body to the point of a pen attachably/detachably. CONSTITUTION:The conductive member 223 is united with the detecting coil 229 and the united body is fixed with a screw or pressed on/against the leading part of a general or specific writing utensils, and under attached state, the conductive member 223 is contacted with the writing point of the writing utensils. Consequently, a new writing utensils can be used after using up the current one.</p> |
