Power Metering And Control System Adaptable To Multi-Standard Device
First Claim
1. A power control device comprising:
- voltage-regulation circuitry configured to couple power from a power source to a load, the load configurable to receive power at least at a first and a second power-reception level, the second level greater than the first level;
power monitoring circuitry;
signalling circuitry for signaling circuitry of the load of a power-reception level;
resetting circuitry configured to reset the load when the power source is incapable of providing sufficient power to the load;
whereinthe resetting circuitry is further configured to periodically reset the load to the second power reception level when the load is receiving power at the first power-reception level.
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Accused Products
Abstract
A power control device has a voltage-regulator from power source to load, the load configurable to receive power at least at a first or second rate. The device has monitor circuitry to measure power; signal circuitry for signaling a power-reception rate to the load; and circuitry for resetting the load when the power source is overloaded. The device resets the load periodically to the second rate when the load is at the first rate. In embodiments, the power source is a thermoelectric generator or solar panel. In embodiments, the load couples through a USB connector. A companion method of charging smart loads includes applying power to the load; communicating power available to the load; configuring a battery charger in the load to absorb an amount of power less than that available; monitoring power, determining when changed configuration may optimize charging time of a smart load battery; and resetting the smart load to optimize current.
27 Citations
18 Claims
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1. A power control device comprising:
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voltage-regulation circuitry configured to couple power from a power source to a load, the load configurable to receive power at least at a first and a second power-reception level, the second level greater than the first level; power monitoring circuitry; signalling circuitry for signaling circuitry of the load of a power-reception level; resetting circuitry configured to reset the load when the power source is incapable of providing sufficient power to the load;
whereinthe resetting circuitry is further configured to periodically reset the load to the second power reception level when the load is receiving power at the first power-reception level. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of operating a smart load with a charging system comprising:
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applying power to the smart load; estimating an amount of power available; communicating the amount of power available to the smart load; configuring a battery charger of the smart load to use an amount of power less than the amount of power available; monitoring an amount of power absorbed by the smart load; determining whether a change in configuration is required to optimize charging time of a battery in the smart load; and resetting the smart load and communicating a different amount of estimated power available to the smart load. - View Dependent Claims (10, 11, 12, 13, 14)
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15. An apparatus comprising:
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coupling circuitry configured to couple power from a power source to a load, the load configurable to receive power at least at a first and a second power-reception level, the second level greater than the first level; current measuring circuitry adapted to measure a current coupled into the load by the coupling circuitry; display circuitry adapted to indicate a current measured by the current measuring circuitry. - View Dependent Claims (16, 17, 18)
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Specification