TWO-WAY COMMUNICATION IN WIRELESS POWER TRANSFER
First Claim
1. A wireless power transmitter, comprising:
- a transceiver configured to transmit and/or receive a message to and/or from a wireless power receiver; and
a controller configured to control the transceiver to transmit a message for requesting identification information to the wireless power receiver, and determine whether the identification information is validly received from the wireless power receiver by the transceiver in response to the identification information request, and control the transceiver to transmit a message for requesting sleep mode switching to the wireless power receiver when the identification information is validly received by the transceiver.
1 Assignment
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Accused Products
Abstract
Disclosed herein is a wireless power transmitter for solving a problem that a collision occurs when recognizing an initial wireless power receiver in two-way communication of wireless power transmission. A wireless power transmitter according to a first embodiment disclosed herein may include a transceiver configured to transmit and/or receive a message to and/or from a wireless power receiver; and a controller configured to control the transceiver to transmit a message for requesting identification information to the wireless power receiver, and determine whether the identification information is validly received from the wireless power receiver by the transceiver in response to the identification information request, and control the transceiver to transmit a message for requesting sleep mode switching to the wireless power receiver when the identification information is validly received by the transceiver.
106 Citations
20 Claims
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1. A wireless power transmitter, comprising:
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a transceiver configured to transmit and/or receive a message to and/or from a wireless power receiver; and a controller configured to control the transceiver to transmit a message for requesting identification information to the wireless power receiver, and determine whether the identification information is validly received from the wireless power receiver by the transceiver in response to the identification information request, and control the transceiver to transmit a message for requesting sleep mode switching to the wireless power receiver when the identification information is validly received by the transceiver. - View Dependent Claims (2, 3, 4, 5)
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6. A wireless power transmitter, comprising:
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a transceiver configured to transmit and/or receive a message to and/or from a wireless power receiver; and a controller configured to control the transceiver to transmit a message for requesting identification information to the wireless power receiver, and receive a message containing identification information from a first wireless power receiver in response to the identification information request, and transmit a message for requesting status information to the first wireless power receiver, wherein the message for requesting status information comprises the identification information of the first wireless power receiver. - View Dependent Claims (7, 8, 9, 10, 11, 12)
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13. A wireless power transmitter, comprising:
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a transceiver configured for transmitting and/or receiving a message to and/or from a wireless power receiver; and a controller configured to control the transceiver to transmit a message for requesting identification information to the wireless power receiver, and determine whether the identification information is validly received from the first and the second wireless power receiver by the transceiver in response to the request, wherein the identification information is received through a time slot selected by the first and the second wireless power receiver, respectively, among a plurality of time slots, and change the time slot assigned to at least one of the first and the second wireless power receiver when the identification information is not validly received from the first and second wireless power receiver. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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Specification