| 摘要 |
PROBLEM TO BE SOLVED: To provide a portable equipment with a solar battery where light energy is recovered as electric power with a surface area as large as possible by utilizing a characteristic of the transparent solar battery through which a visual light is transmitted so as to avoid functions of other components from being lost even when the battery is mounted on the equipment. SOLUTION: A transparent solar battery 28 through which a visual light is transmitted is placed overlapped on an LCD 26 put on a rear side of a digital camera 10. The surface area of the solar battery 28 is enlarged without provision of an exclusive space by placing the solar battery 28 on a place where an opaque solar battery has been unable to be installed in this way and sufficient electric power can be obtained.
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