| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a shutter device capable of ensuring desired ventilation when a shutter curtain is closed. <P>SOLUTION: A window opening 12 is formed in the external wall 11 of a building 10, and glass doors 15, 16 vertically opened and closed are installed in the window opening 12. This shutter device 20 is installed on the outdoor side of the glass doors 15, 16 and includes the elevating type shutter curtain 22 constituted of a plurality of slats 23. A door opening amount detection sensor 43 is provided at the lower end of the shutter curtain 22 to detect each marker 42 provided in the upper edge of the upper side glass door 15 and an upper side part of a window frame 14 when the shutter curtain 22 lowers. A controller 30 calculates the width of opening in an opening region A being opened by opening the upper side glass door 15 based on the detection result by the sensor 43 and opens the slats 23 corresponding to the calculated width of opening when the shutter curtain 22 is closed. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
