| 摘要 |
<p>The present invention concerns an automatic apparatus applied on the established concept of windows, glass doors, their fastenings and frames, and glass walls, including appropriate modifications aimed to accommodate said apparatus. This invention does not alter the typical functions of the windows, glass doors, their fastenings and frames (like opening-closing), or of the glass walls. It permits solar energy gain during the cold seasons and the regulation of solar energy when not desired.</p> |
