| 摘要 |
<p>A retractable awning, comprising a screen (3) which may be extended and retracted, wherein there is provided a first motor (20,21) arranged to extend the screen, a second motor (35) arranged to retract the screen, and a control unit (30) arranged to control the first and second motors, wherein the first and second motors are synchronised so as to maintain tension in the screen within predetermined values.</p> |
