METHODS, TRANSMISSION DEVICES AND TRANSMISSION CONTROL SYSTEM FOR TRANSMITTING POWER WIRELESSLY
First Claim
1. A method of transmitting power via electromagnetic coupling from a transmission device to a set of reception devices, said method comprising the steps of:
- calculating by the transmission device, a first sum of given power levels defined by each reception device of said set of reception devices;
if a maximum power that can be transmitted by the transmission device to said set of reception devices is less than said first sum,determining by said transmission device, a subset of reception devices among said set of reception devices, to which the transmission device transmits power.
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Abstract
This invention proposes a method of and a device for transmitting power via electromagnetic coupling from a transmission device to a set of reception devices, said method comprising a step of calculating by the transmission device, a first sum of given power levels defined by each reception device of said set of reception devices; if a maximum power that can be transmitted by the transmission device to said set of reception devices is less than said first sum, then performing a step of determining by said transmission device, based on said first sum and according to a set of criteria, a subset of reception devices among said set of reception devices, to which the transmission device transmits power.
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Citations
15 Claims
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1. A method of transmitting power via electromagnetic coupling from a transmission device to a set of reception devices, said method comprising the steps of:
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calculating by the transmission device, a first sum of given power levels defined by each reception device of said set of reception devices; if a maximum power that can be transmitted by the transmission device to said set of reception devices is less than said first sum, determining by said transmission device, a subset of reception devices among said set of reception devices, to which the transmission device transmits power. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of transmitting power via electromagnetic coupling from a transmission device to a set of reception devices, said method comprising a step of sending, by at least one reception device of said set of reception devices, information of a given power level related to said at least one reception device, wherein said given power level is a minimum workable power level of said at least one reception device.
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10. A transmission control system for controlling a transmission device transmitting power to a set of reception devices via electromagnetic coupling, said control system comprising:
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a first unit for calculating, by the transmission device, a first sum of given power levels defined by each reception device of said set of reception devices; a second unit for determining, when a maximum power that can be transmitted by said transmission device to said set of reception devices is less than said first sum, a subset of reception devices among said set of reception devices, to which the transmission device transmits power. - View Dependent Claims (11, 12, 13, 14, 15)
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Specification