| 摘要 |
A light shelf for controlling solar radiation that impinges on a building has a panel with a pair of support brackets. The brackets run along tracks secured to the building and engage the tracks to assume a variety of elevations. The brackets can be moved independently, allowing the panel to be tilted and may have pivot joints to facilitate tilting. The panel may be mounted to the brackets in a way that allows the panel to translate horizontally. The panel may have a plurality of elements that can be adjusted to change the surface area and may be automated to respond to ambient conditions.
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