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