| 摘要 |
A window for gating light for the purpose of controlling temperature within a building, comprising a light transmissive substrate, a plurality of at least partially reflective rollout members disposed on said substrate, the rollout members being responsive to a source of electrical potential to cause the rollout members to rollout, and an electrically conductive at least partially light transmissive conductive member disposed in facing relationship with said reflective rollout members and said substrate.
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