| 摘要 |
PROBLEM TO BE SOLVED: To provide a helmet equipped with a rechargeable power system in the inside thereof that enables powering of addition products through a plug entry without lowering safety and productivity of the helmet even if being equipped with the system in the inside of the helmet. SOLUTION: This helmet is equipped with the power system that is composed of a rechargeable battery, an electric source switch, a wire and a plug entry. The power system is charged without removing an electric source from a helmet pad. COPYRIGHT: (C)2004,JPO
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