Wireless USB Data Transmission for Corrosion-Resistant Device Housings

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Solution Overview

Problem

Electronic devices with USB Type-C ports are prone to corrosion due to liquid ingress, leading to failure and affecting performance.

Innovation Solution

Implementing a wireless communication module within the device to establish a wireless connection channel for USB data transmission, eliminating the need for physical data transmission interfaces and preventing corrosion.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If USB Type-C ports are used for data transmission, then data transmission capability is improved, but corrosion failure rate increases due to liquid ingress

Engineering Contradiction:

Improvedata transmission capabilityVSAvoidcorrosion failure rate

Core Design Contradiction:

ProductivityVSReliability

Solution Approach 1:

The patent replaces the mechanical USB Type-C physical interface with a wireless communication interface (such as USB Over Bluetooth or USB Over WiFi). The wireless communication module establishes a wireless connection channel that transmits USB data without requiring physical contact, thereby eliminating the corrosion issue while maintaining data transmission capability.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Productivity

If physical data transmission interfaces are provided, then USB data transmission is enabled, but device aesthetics deteriorate and corrosion resistance decreases

Engineering Contradiction:

ImproveUSB data transmissionVSAvoiddevice aesthetics

Core Design Contradiction:

ProductivityVSShape

Solution Approach 1:

The patent eliminates physical data transmission interfaces by substituting them with wireless communication technology. The housing is designed without data transmission interfaces, achieving a seamless aesthetic appearance while wireless communication modules inside the housing provide the necessary data transmission functionality through wireless channels.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Power

If USB Type-C ports are used for high-power charging, then charging performance is improved, but liquid ingress and corrosion risk increase

Engineering Contradiction:

Improvecharging performanceVSAvoidliquid ingress and corrosion risk

Core Design Contradiction:

PowerVSObject-affected harmful factors

Solution Approach 1:

The patent replaces the physical USB Type-C charging interface with wireless power transmission technology. The wireless communication module establishes a wireless connection that enables high-power charging without physical contact, thereby eliminating the risk of liquid ingress and corrosion while maintaining high charging performance.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Data Source

PatentUS20250335382A1Data transmission methods, electronic devices, and wireless communication devices

Publication Date: 2025.10.30 BEIJING XIAOMI MOBILE SOFTWARE CO LTD

AI summary

An electronic device includes a housing and a wireless communication module, the wireless communication module being provided within the housing, and the housing being provided with no data transmission interface, where the wireless communication module is configured to establish a wireless connection channel with an external wireless communication device, the wireless connection channel being configured to transmit signals for a signal line of the electronic device and a signal line of the wireless communication device; the wireless communication module is further configured to establish a USB transmission channel upon successful establishment of the wireless connection channel; and the wireless communication module is further configured to transmit USB data via the USB transmission channel.