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公开(公告)号：US20230198305A1
公开(公告)日：2023-06-22
申请号：US17819668
申请日：2022-08-15
Applicant: Apple Inc.
Inventor： Zonghong Hu , Saining Ren , Shaoge Zang , Ho Fai Leung , Aiguo Hu , Qi Zhu , Botunga Arachchige Rajith Chaminda Abeywardana , Lei Zhao
Abstract: A capacitive power transfer system can include a power transmitter having one or more primary side filter components, a communications modulator, and transmitter capacitive couplers; and a power receiver having receiver capacitive couplers capacitively coupled to the transmitter capacitive couplers, one or more secondary side filter components, and a communication demodulator. The one or more primary side filter components and the one or more secondary side filter components can be selected to provide power amplifier operation at a power delivery frequency and act as a stable gain high pass filter above a communications cutoff frequency that is higher than the power delivery frequency.
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公开(公告)号：US11996698B2
公开(公告)日：2024-05-28
申请号：US17819668
申请日：2022-08-15
Applicant: Apple Inc.
Inventor： Shaoge Zang , Zonghong Hu , Saining Ren , Ho Fai Leung , Aiguo Hu , Qi Zhu , Botunga Arachchige Rajith Chaminda Abeywardana , Lei Zhao
Abstract: A capacitive power transfer system can include a power transmitter having one or more primary side filter components, a communications modulator, and transmitter capacitive couplers; and a power receiver having receiver capacitive couplers capacitively coupled to the transmitter capacitive couplers, one or more secondary side filter components, and a communication demodulator. The one or more primary side filter components and the one or more secondary side filter components can be selected to provide power amplifier operation at a power delivery frequency and act as a stable gain high pass filter above a communications cutoff frequency that is higher than the power delivery frequency.
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