Invention Grant
- Patent Title: Methods and circuitry for mitigating saturation in wireless power systems
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Application No.: US18336555Application Date: 2023-06-16
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Publication No.: US11984737B2Publication Date: 2024-05-14
- Inventor: Adam L. Schwartz , Alireza Safaee , Stephen C. Terry , Zhiyuan Hu
- Applicant: Apple Inc.
- Applicant Address: US CA Cupertino
- Assignee: Apple Inc.
- Current Assignee: Apple Inc.
- Current Assignee Address: US CA Cupertino
- Agency: FLETCHER YODER PC
- Main IPC: H02J50/12
- IPC: H02J50/12 ; H01F27/36 ; H01F38/14 ; H02J7/02 ; H02J50/60 ; H02J50/70
Abstract:
A wireless charging system having a power transmitter may wirelessly transfer power to a power receiver. Shield saturation, such as saturation of a ferrite structure, in the wireless power receiver may occur under some operating conditions. Saturation can lead to disruptive oscillations in power transfer. The power transmitting may include control circuitry for detecting and mitigating saturation.
Public/Granted literature
- US20230327495A1 Methods and Circuitry for Mitigating Saturation in Wireless Power Systems Public/Granted day:2023-10-12
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