| 摘要 |
PROBLEM TO BE SOLVED: To provide a solar battery, with which a light receiving plane can be kept clean as much as possible without interposing any human labor, and a motor-driven gate using this solar battery. SOLUTION: Concerning a solar battery SB for supplying power to a load to be operated by radio while erecting bird sticks 12 at the edge part of a light receiving part so as to block flying of birds, the bird stick 12 is composed of a reception antenna 12a for a radio signal for operation to the load. |
