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公开(公告)号：US12212249B1
公开(公告)日：2025-01-28
申请号：US18065777
申请日：2022-12-14
Applicant: Apple Inc.
Inventor： Weihong Qiu , Jun Liu , Zaki Moussaoui
IPC: H02M7/483 , H02J50/12 , H02M1/00 , H02M7/5387 , H02M1/38
Abstract: A switched capacitor converter can include a switched capacitor stage comprising a flying capacitor and a ladder of three switching devices. A first switching device can be connected between a DC input of the switched capacitor converter and an AC bus. A second switching device is connected between the DC input and a third switching device. The third switching device can be connected between the second switching device and ground. The flying capacitor can be connected between the AC bus and a junction of the second switching device and the third switching device. The switched capacitor converter can further include an inverter stage having an input coupled to the AC bus and an output that delivers an AC voltage.
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公开(公告)号：US12212159B1
公开(公告)日：2025-01-28
申请号：US18330043
申请日：2023-06-06
Applicant: Apple Inc.
Inventor： Alireza Safaee , Matthew J. Chabalko , Douglas Adams , Ruiyang Lin , Zaki Moussaoui
Abstract: A method of modeling a wireless power transfer system can include constructing a loss-split circuit model of the wireless power transfer system. The loss-split circuit model can include a plurality of resistance values corresponding to power losses in selected components of the power system. The method can further include performing a plurality of finite element analyses to determine the plurality of resistor values. The one or more resistance values can correspond to power losses associated with one or more of: a transmitter coil, a receiver coil, friendly metal associated with a transmitter, friendly metal associated with a receiver, and a foreign object.
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公开(公告)号：US12003121B2
公开(公告)日：2024-06-04
申请号：US17389124
申请日：2021-07-29
Applicant: Apple Inc.
Inventor： Chad A. Bossetti , Christopher S. Graham , David W. Ritter , Todd K. Moyer , Steven G. Herbst , Shimon Elkayam , Nileshbhai J. Shah , Stephen C. Terry , Zaki Moussaoui
CPC classification number: H02J50/90 , G01D5/16 , G01D5/20 , G01D5/24 , H02J50/10 , H02J50/12 , H10N30/302
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.
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公开(公告)号：US20230420988A1
公开(公告)日：2023-12-28
申请号：US18463486
申请日：2023-09-08
Applicant: Apple Inc.
Inventor： Zaki Moussaoui , Jukka-pekka J. Sjoeroos , Weihong Qiu , Zelin Xu
CPC classification number: H02J50/005 , H02J50/12 , H02J50/90
Abstract: A wireless power system has a wireless power transmitting device and multiple wireless power receiving devices. The wireless power transmitting device may have a foldable housing. The wireless power transmitting device has wireless power coils that are used in transmitting wireless power to electronic devices such as cellular telephones, wristwatches, ear buds battery cases, ear buds, computer styluses, and other electronic devices. A rectifier can be coupled to a wireless power coil. In a first mode the coil transmits wireless power to a cellular telephone or other device. In a second mode, the coil is used in receiving wireless power from the cellular telephone or other device. The received wireless power can be retransmitted to other devices.
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5.发明授权公开(公告)号：US11710984B2
公开(公告)日：2023-07-25
申请号：US17180540
申请日：2021-02-19
Applicant: Apple Inc.
Inventor： Weihong Qiu , Zaki Moussaoui , Zelin Xu
CPC classification number: H02J50/005 , H02J50/12 , H01F27/24 , H01F27/28
Abstract: An electronic device in a wireless power system may be operable with a removable accessory such as a case. The device may have coplanar power transmitting and power receiving coils. The transmitting coil may be positioned within a central opening of the receiving coil. The removable accessory may have an embedded receiving coil configured to receive wireless power from the transmitting coil of the electronic device. The receiving coil of the electronic device may receive wireless power from a power transmitting device such as charging mat. The receiving coil of the electronic device may operate up to a higher maximum power than the transmitting coil of the electronic device. The power transmitting coil and power receiving coil in the electronic device may operate at different power transmission frequencies. To mitigate crosstalk, the power transmitting coil's operation frequency may be a non-integer multiple of the power receiving coil's operation frequency.
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Patent Agency Ranking
公开(公告)号：US11700472B1
公开(公告)日：2023-07-11
申请号：US17029391
申请日：2020-09-23
Applicant: Apple Inc.
Inventor： Jukka-pekka J. Sjoeroos , Ye Li , Zaki Moussaoui
CPC classification number: H04R1/1025 , H02J7/02 , H02J50/005 , H02J50/12 , H02J50/402 , H02J50/70
Abstract: Electronic apparatuses according to embodiments of the present technology may include an enclosure having a lid. The enclosure may define a first cavity and a second cavity, and may include an enclosure battery. The apparatuses may include a first enclosure wireless charging coil extending about the first cavity. The apparatuses may include a second enclosure wireless charging coil extending about the second cavity. The apparatuses may include a first earbud having a first earbud battery and a first earbud wireless charging coil operably coupleable with the first enclosure wireless charging coil for wireless charging of the first earbud battery. The apparatuses may include a second earbud having a second earbud battery and a second earbud wireless charging coil operably coupleable with the second enclosure wireless charging coil for wireless charging of the second earbud battery.
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公开(公告)号：US11605985B2
公开(公告)日：2023-03-14
申请号：US16867460
申请日：2020-05-05
Applicant: Apple Inc.
Inventor： Antoin J. Russell , Jukka-pekka J. Sjoeroos , Zaki Moussaoui
Abstract: A wireless power system has a wireless power transmitting device and a wireless power receiving device. The wireless power transmitting device may be a wireless charging mat or other device with one or more wireless power transmitting coils for transmitting wireless power signals. The wireless power receiving device may be a portable electronic device with one or more wireless power receiving coils for receiving the transmitted wireless power signals. The wireless power transmitting device may have foreign object detection coils. Q-factor measurements may be made on the transmitting coil during wireless power transmission and/or voltage measurements may be made using the foreign object detection coils to detect whether a foreign object is present. The foreign object detection coils may include overlapping coils with different winding patterns to enhance foreign object detection coverage.
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公开(公告)号：US20220103013A1
公开(公告)日：2022-03-31
申请号：US17546808
申请日：2021-12-09
Applicant: Apple Inc.
Inventor： Christopher M. Pinciuc , Zaki Moussaoui
Abstract: A wireless power transmitting device may transmit wireless power signals to a wireless power receiving device. The wireless power receiving device may have a housing. A display may be mounted in the housing on a front face of the device. A rear housing wall on a rear face of the device may be provided with a wireless power receiving solenoid. The solenoid may have a linear strip shape that extends along a longitudinal axis. The longitudinal axis may extend perpendicularly to a wrist strap coupled to the housing. The wireless power receiving solenoid may have opposing first and second ends. The wireless power transmitting device may have a wireless power transmitting solenoid with opposing first and second ends that are configured to transmit the wireless power signals respectively to the first and second ends of the wireless power receiving device when the wireless power receiving solenoid is within the cradle.
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公开(公告)号：US11258311B2
公开(公告)日：2022-02-22
申请号：US16909904
申请日：2020-06-23
Applicant: Apple Inc.
Inventor： Nan Liu , Dmitry Berdnikov , Weihong Qiu , Zaki Moussaoui
Abstract: A wireless power system may have a wireless power transmitting device and a wireless power receiving device. The wireless power receiving device may have a receive coil that receives wireless power signals from the wireless power transmitting device and may have a rectifier that produces direct-current power from the received wireless power signals. The wireless power transmitting device may have an array of transmit coils. Each transmit coil has a respective magnetic coupling coefficient characterizing its magnetic coupling with the receive coil. The wireless power transmitting device may have control circuitry that uses the magnetic coupling coefficient values in selecting transmit coils to use in transmitting wireless power to the wireless power receiving device.
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公开(公告)号：US20210265861A1
公开(公告)日：2021-08-26
申请号：US17127733
申请日：2020-12-18
Applicant: Apple Inc.
Inventor： Zaki Moussaoui , Jukka-pekka J. Sjoeroos , Weihong Qiu , Zelin Xu
Abstract: A wireless power system has a wireless power transmitting device and multiple wireless power receiving devices. The wireless power transmitting device may have a foldable housing. The wireless power transmitting device has wireless power coils that are used in transmitting wireless power to electronic devices such as cellular telephones, wristwatches, ear buds battery cases, ear buds, computer styluses, and other electronic devices. A rectifier can be coupled to a wireless power coil. In a first mode the coil transmits wireless power to a cellular telephone or other device. In a second mode, the coil is used in receiving wireless power from the cellular telephone or other device. The received wireless power can be retransmitted to other devices.
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