| 摘要 |
A vest garment to be worn by persons working out of doors and which has an array of photovoltaic cells mounted on the back panel thereof. The individual cells are connected in series relationship with one another across a pair of output terminals which are brought out through a belt attached along the waistband of the vest to an output jack. The voltage developed across the photocell array may then be used to charge rechargeable batteries suspended from the belt or, alternatively, they be coupled to an input jack of a power tool having a self-contained rechargeable battery whereby charging current is generated when the vest is being worn out of doors.
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