THE METHOD FOR TRANSFERRING WIRELESS POWER
First Claim
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1. A method for transferring wireless power including a wireless power transmission apparatus, the method comprising:
- transmitting a power transfer request packet to at least a wireless charging device during a request period;
receiving a power transfer response packet from the wireless charging device received the power transfer request packet during a response period;
transmitting a power transfer beacon request packet with information on a wireless power transfer schedule to the wireless charging device when receiving the power transfer response packet during the response period; and
transmitting a wireless power to the wireless charging device according to the wireless power transfer schedule during the response period.
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Abstract
This invention defines management protocols for wireless power transfer to multiple devices in Multi-device Wireless Power Management System. Various functions of Multi-device Wireless Power Management System are justified from this invention. The WPT frames and messages which work between the management block of a charger and the management block or the coupler block of a device, or the coupler block of a charger are defined as well to execute various functions. Also the procedures for each functionality are described based on its frames and messages.
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Citations
14 Claims
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1. A method for transferring wireless power including a wireless power transmission apparatus, the method comprising:
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transmitting a power transfer request packet to at least a wireless charging device during a request period; receiving a power transfer response packet from the wireless charging device received the power transfer request packet during a response period; transmitting a power transfer beacon request packet with information on a wireless power transfer schedule to the wireless charging device when receiving the power transfer response packet during the response period; and transmitting a wireless power to the wireless charging device according to the wireless power transfer schedule during the response period. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for receiving wireless power including a wireless charging device, the method comprising:
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entering a hibernation power level detection state as the wireless charging device is turned on; detecting a power level of the wireless charging device in the hibernation power detection state; and diverging into a power down hibernation state, a low power hibernation state and a stable hibernation state according to the detected power level condition. - View Dependent Claims (10, 11, 12, 13, 14)
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Specification