Workpiece hole presence and absence inspector
Writing tip position sensing and processing apparatus
X-Y translational imaging device with housing supporting means f
Yarn detector with a self-calibrating circuit
Yarn processing, method and apparatus
Yarn-break/yarn-stop detecting device
Z-axis height measurement system
Z-axis measurement system
Zero index for electro-optical measuring device
Zero mark for optical encoder using stator mask patterns and rot
Zero reference generating method and apparatus for optical encod
Zero reference generating method and apparatus for optical encod