| 摘要 |
<p>The present invention relates to a window cleaning apparatus that includes a first cleaning unit and a second cleaning unit that is attached to both sides of a window, respectively, by a magnetic force and moved on the sides, and a method of controlling a movement of the window cleaning apparatus. The method includes detecting the first initial attachment position of the window cleaning apparatus and moving the window cleaning apparatus close to the detected initial attachment position after cleaning.</p> |
