Board level structure and electronic device

By placing a floating coil between the camera module and the power supply trace, coupling currents in opposite directions are generated to cancel electromagnetic interference, thus solving the electromagnetic interference problem in the camera module, improving image quality and device stability, and simplifying the design process.

CN122269117APending Publication Date: 2026-06-23HONOR DEVICE CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202411929849.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

In the existing technology, the magnets in the camera module cause electromagnetic interference due to magnetic leakage, which affects the stability of the camera module and the image quality. Moreover, it is difficult to modify the wiring on the miniaturized circuit board.

Method used

A floating coil structure is adopted. By placing a floating coil between the camera module and the power supply line, a coupling current with the same frequency but opposite direction as the input current of the power supply line is generated to cancel electromagnetic interference.

Benefits of technology

It reduces electromagnetic interference, improves signal integrity and camera module stability, reduces noise and distortion, enhances image quality and device reliability, while simplifying design and reducing costs.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN122269117A_ABST
    Figure CN122269117A_ABST
Patent Text Reader

Abstract

Embodiments of the present application provide a kind of board level structure and electronic equipment, it is related to electronic equipment technical field.The board level structure includes substrate, camera module, power supply wiring and suspension coil.Wherein, power supply is equipped on substrate.Cameras module is set to substrate, and cameras module includes magnetic component.At least part of power supply wiring is located at the outside of cameras module.At least part of suspension coil is located between cameras module and power supply wiring, when power supply inputs periodic variation input current to power supply wiring, coupling current with input current frequency same, opposite direction is generated in the suspension coil between cameras module and power supply wiring.The board level structure can reduce the electromagnetic interference that power supply wiring generates to the magnetic component in cameras module by setting suspension coil, and it is convenient to wiring, can solve the problem of higher difficulty in wiring in related art.
Need to check novelty before this filing date? Find Prior Art