| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a layer light-receiving system of a solar cell, by which the conversion efficiency of solar heat is increased per unit area of a roof and the manufacturing cost is reduced. <P>SOLUTION: In the system configuration, rooftop modules are formed into a ladder with multiple steps for upward extension. The steps have a spacing of about 40 cm to admit sunlight. The modules 2 are supported by supporting rods 3 and the overall system is covered with a capsule 1 with a wind hole. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
