| 摘要 |
A towel dispenser comprising an electronic power system, which includes an array of one or more photovoltaic cells for energizing a control circuitry which, in turn, controls operation of the dispenser. The control circuitry is responsive to a sensing device, comprised of a motion detector, which senses rapid changes in light, which in turn, activates the dispensing of a length of paper towels when an object, such as a user's hand, is moved in front of the sensing device.
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