VI. PROBLEM POINT
A. The problem of cursor movement
In this system, In realizing the function of the mouse interface by a marker, six minimum functions were mounted “Left-click”, “Right-click”, “Movement on cursor”, “Movement under cursor”, “Movement left cursor” and “Movement right cursor”. As a result, the cursor movement has been fixed vertically and horizontally. That is, the problem that nonlinear movement cannot be performed has occurred.