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Electric shielding structure

A technology of shielding components and shielding parts, applied in the direction of circuits, inductors, circuit devices, etc., can solve the problems of reducing charging efficiency, noise and emission, and achieve the effect of reducing equipment emission and electrical noise, and reducing eddy current

Active Publication Date: 2019-12-31
APPLE INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Wireless charging systems and the devices being charged can generate noise and emissions that can reduce charging efficiency and can be affected by regulatory requirements

Method used

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  • Electric shielding structure
  • Electric shielding structure
  • Electric shielding structure

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Embodiment Construction

[0024] A wireless power system may include a wireless power transfer device that allows power to be transferred wirelessly to a wireless power receiving device. A wireless power transfer device may take a variety of forms, including a wireless charging pad, wireless charging tray, wireless charging stand, wireless charging stand, or other wireless power transfer device. A wireless power transfer device may include one or more coils, such as an induction coil or a winding coil, for transferring wireless power to one or more wireless power receiving coils in a wireless power receiving device. A wireless power receiving device may be any number of rechargeable devices incorporating one or more induction coils configured to receive power from one or more transmitting coils. Any device can be configured to receive wireless power, including portable devices including cellular phones, digital watches, wearable devices (including fitness equipment), media players, computers including ...

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Abstract

The present invention provides an electric shielding structure. Wireless power transmitting devices according to embodiments of the present technology may include a contact surface configured to support one or more wireless power receiving devices. The wireless power transmitting devices may include a plurality of coils. The wireless power transmitting devices may also include a shield positionedbetween the plurality of coils and the contact surface. The shield may include one or more shield members, each shield member axially aligned with a separate coil of the plurality of coils, and may include a multilayer structure exhibiting various conductivities.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to U.S. Nonprovisional Patent Application 16 / 145,503, filed September 28, 2018, entitled "ELECTRIC SHIELDING STRUCTURES," and claims U.S. The benefit of Provisional Patent Application 62 / 688,547, which is hereby incorporated by reference in its entirety for all purposes. technical field [0003] The technology relates to wireless charging systems. More specifically, the present technology relates to shielding structures for wireless charging systems. Background technique [0004] A wireless charging system allows power to be transferred to a device without powering or recharging a power cord or other connecting wire coupled to the device. Wireless charging systems and the devices being charged can generate noise and emissions that can reduce charging efficiency and can be affected by regulatory requirements. Contents of the invention [0005] A wireless power transmission device a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F27/36H01F38/14H02J50/10
CPCH01F27/36H01F38/14H02J50/10
Inventor A·拉德切恩科V·帕萨科M·肖尔C-W·莱R·A·萨布纳尼
Owner APPLE INC