| 摘要 |
PROBLEM TO BE SOLVED: To eliminate the need of an user's moving in compliance with the movement of an editor, in an original area display capable of performing a point specification on the original by the editor adopting a mirror. SOLUTION: An X coordinate and the Y coordinate from an original point of the editor is severally detected, by X coordinate detection means 1 and the Y coordinate detection means 2. Then, respective mirror on the original point side and the editor side is severally made possible to rotate by stepping motors 5 and 6, and the respective motor 5 and 6 is controlled by a motor control device 4. Now, respective turning angle of each mirror is decided based on the detected coordinate so that the editor is always brought into a opposing position although the editor is moved, and the mirror is turned by that angle. |
