Light-Harvesting Power Supply With Power Management and Load Identification Capability
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United States of America Patent
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Issued Date -
Sep 17, 2015
app pub date -
Mar 9, 2015
filing date -
Mar 11, 2014
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Abstract
A light-harvesting power supply system is provided that can perform one or more of power management and load identification. The power supply system can include a power harvesting unit and a controller. The power harvesting unit can convert light energy into electrical energy that may be provided to one or more load devices via one or more terminals of the power supply system. In some aspects, the controller can allocate electrical energy among load devices based on their respective power requirements and an available amount of electrical energy from the power harvesting unit. The controller can cause the electrical energy to be provided to the load devices based on the allocation of available energy. In additional or alternative aspects, the power supply system can determine that a device is not authorized to receive power. The controller can prevent the power harvesting unit from providing electrical energy to the unauthorized device.
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