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公开(公告)号：US10784707B2
公开(公告)日：2020-09-22
申请号：US16137286
申请日：2018-09-20
Applicant: Apple Inc.
Inventor： Ron Rafer Floresca , Saining Ren , Michael Scott Eckert , Daniel Lorenz Huber , Selestino Langi Rodan , Lawrence Bernardo dela Cruz
Abstract: An inductive power receiving device configured to: supply power received with a power receiving coil to a load in a first mode; determine whether a converter voltage exceeds a threshold voltage; in response to the determining the converter voltage exceeds the threshold voltage after sending a charging mode request, switch to supplying power received with the power receiving coil to the load in a second mode; and in response to determining the converter voltage coil exceeds the threshold voltage before sending the charging mode request is sent, prevent at least a portion of the power received with the power receiving coil from reaching the load. An inductive power transmitting device configured to provide an alternating current voltage to a power transmitting coil and gradually increase the voltage after receiving a charging mode request and stop gradually increasing the voltage once an inductive power receiving device changes modes.
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公开(公告)号：US11070088B2
公开(公告)日：2021-07-20
申请号：US16213915
申请日：2018-12-07
Applicant: Apple Inc.
Inventor： Rex Pius Huang , Michael Scott Eckert , Mikhal De Jesus , Arunim Kumar , Atul Salvekar
Abstract: An inductive power transmitter and an inductive power receiver include communication circuitry to communicate using modulation of the power transfer field. The inductive power transmitter or the inductive power receiver includes monitoring circuitry to determine a communication fault condition. If a communication fault condition is determined, a converter of the inductive power transmitter or inductive power receiver can adjust a control parameter.
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公开(公告)号：US20200083747A1
公开(公告)日：2020-03-12
申请号：US16213915
申请日：2018-12-07
Applicant: Apple Inc.
Inventor： Rex Pius Huang , Michael Scott Eckert , Mikhal De Jesus , Arunim Kumar , Atul Salvekar
Abstract: An inductive power transmitter and an inductive power receiver include communication circuitry to communicate using modulation of the power transfer field. The inductive power transmitter or the inductive power receiver includes monitoring circuitry to determine a communication fault condition. If a communication fault condition is determined, a converter of the inductive power transmitter or inductive power receiver can adjust a control parameter.
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公开(公告)号：US20190341797A1
公开(公告)日：2019-11-07
申请号：US16137286
申请日：2018-09-20
Applicant: Apple Inc.
Inventor： Ron Rafer Floresca , Saining Ren , Michael Scott Eckert , Daniel Lorenz Huber , Selestino Langi Rodan , Lawrence Bernardo dela Cruz
Abstract: An inductive power receiving device configured to: supply power received with a power receiving coil to a load in a first mode; determine whether a converter voltage exceeds a threshold voltage; in response to the determining the converter voltage exceeds the threshold voltage after sending a charging mode request, switch to supplying power received with the power receiving coil to the load in a second mode; and in response to determining the converter voltage coil exceeds the threshold voltage before sending the charging mode request is sent, prevent at least a portion of the power received with the power receiving coil from reaching the load. An inductive power transmitting device configured to provide an alternating current voltage to a power transmitting coil and gradually increase the voltage after receiving a charging mode request and stop gradually increasing the voltage once an inductive power receiving device changes modes.
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