公开(公告)号：WO2018057656A1

公开(公告)日：2018-03-29

申请号：PCT/US2017/052569

申请日：2017-09-20

Applicant: APPLE INC.

Inventor： BOSSETTI, Chad, A. ,  GRAHAM, Christopher, S. ,  RITTER, David, W. ,  MOYER, Todd, K. ,  HERBST, Steve, G. ,  ELKAYAM, Shimon ,  SHAH, Nileshbhair, J. ,  TERRY, Stephen, C. ,  MOUSSAOUI, Zaki

IPC: H02J50/90 ,  H02J50/10

CPC classification number: H02J50/90 ,  G01D5/16 ,  G01D5/20 ,  G01D5/24 ,  H01L41/1132 ,  H02J7/025 ,  H02J50/10 ,  H02J50/12 ,  H02J50/40

Abstract: A wireless charging mat and method of operating the same. The wireless charging mat includes a detection system configured to determine a location and an orientation of an electronic device on the wireless charging mat. The location and orientation are determined based on detected locations of one or more structural features of the electronic device. The wireless charging mat is operated according to the detected location and orientation.

Abstract translation:

一种无线充电垫及其操作方法。 无线充电垫包括配置成确定无线充电垫上的电子装置的位置和取向的检测系统。 位置和方向基于电子设备的一个或多个结构特征的检测位置来确定。 无线充电垫根据检测到的位置和方向进行操作。

公开(公告)号：WO2021194683A1

公开(公告)日：2021-09-30

申请号：PCT/US2021/019564

申请日：2021-02-25

Applicant: APPLE INC.

Inventor： WANG, Ge ,  TERRY, Stephen, C. ,  MALAN, Wynand ,  HARRIS, Zachary, S.

IPC: H02J50/80 ,  H02J50/00 ,  H02J7/02 ,  H02J50/10 ,  H04B5/0037

Abstract: A wireless power system has a wireless power transmitting device and a wireless power receiving device. During digital ping operations while the transmitting device and receiving device negotiate to establish a power level to use during normal operation, low- power wireless power signals may be transmitted to the receiving device from the wireless power transmitting device. Information gathered during the digital ping may be evaluated using a wireless-power-transmission-efficiency-to-digital-ping-rectifier-output-voltage relationship and using a normal-operation-wireless-power-transmission-efficiency-to-digital- ping-wireless-power-transmission-efficiency relationship to predict a wireless power transmission efficiency that would be experienced if the system were to enter normal operation. Based on this efficiency prediction, the system can issue alerts and can decide whether or not to enter normal operation.

公开(公告)号：WO2018044515A1

公开(公告)日：2018-03-08

申请号：PCT/US2017/045918

申请日：2017-08-08

Applicant: APPLE INC.

Inventor： TERRY, Stephen, C. ,  JANI, Nilay, D. ,  GU, Bin ,  HU, Yongxuan

IPC: H02J50/40

CPC classification number: H02J7/025 ,  H02J7/045 ,  H02J50/10 ,  H02J50/40 ,  H02M7/32 ,  H02M7/40

Abstract: A wireless power transmitting device may transmit power wirelessly to a wireless power receiving device. The wireless power receiving device may be a portable electronic device with an array of wireless power receiving coils that receive wireless power from wireless power transmitting coils in the wireless power transmitting device. Each receiving coil in the array of wireless power receiving coils may be coupled to a respective rectifier. Control circuitry of the wireless power receiving device may be configured to determine which rectifiers to enable for synchronous rectification. The control circuitry may be configured to enable at least one rectifier based on the alternating-current voltages produced by each coil in the array of receiving coils. The control circuitry may also be configured to enable at least one rectifier based on the output current from each rectifier.

Abstract translation: 无线电力发射装置可以无线地向无线电力接收装置发射电力。 无线电力接收装置可以是具有无线电力接收线圈阵列的便携式电子装置，其从无线电力发送装置中的无线电力发送线圈接收无线电力。 无线电力接收线圈阵列中的每个接收线圈可以耦合到相应的整流器。 无线电力接收装置的控制电路可以被配置为确定哪些整流器用于同步整流。 控制电路可以被配置为基于由接收线圈阵列中的每个线圈产生的交流电压启用至少一个整流器。 控制电路还可以被配置为基于来自每个整流器的输出电流来启用至少一个整流器。