Reversible USB Interface Adapter for Cross-Connector Data Transfer
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Solution Overview
Problem
The use of mobile terminals is limited by structural differences in USB interfaces, preventing data transmission with incompatible data cables.
Innovation Solution
An interface adapter system with a male and female connector configuration that allows for interchangeable contact types, enabling compatibility with both USB Type-C and Micro-USB interfaces, and optionally lightning interfaces, through orthogonal placement and grooves for easy insertion and removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a mobile terminal uses a specific USB interface type (e.g., Type-C), then the interface structure is fixed and simple, but it cannot be compatible with other interface types (e.g., Micro-USB), limiting data transmission capability
Solution Approach 1:
The adapter is divided into distinct functional segments: a first connector portion for connecting to the mobile terminal, a second connector portion for connecting to the data cable, and a conductive portion for electrical connection. This segmentation allows each part to be optimized independently while achieving overall interface compatibility
Solution Approach 2:
The adapter serves multiple functions: it acts as an interface converter between different USB types, provides electrical connection through conductive portions, and enables data transmission compatibility. The single adapter structure universalizes the mobile terminal's interface capability across multiple interface types
2Adaptability or versatility
If the adapter uses a complex multi-contact configuration to achieve interface conversion, then compatibility is improved, but the insertion and removal operation becomes more difficult
Solution Approach 1:
The first and second connectors are designed with asymmetric configurations that naturally guide correct insertion orientation. The conductive portions are asymmetrically arranged to match the specific pinout requirements of different interface types, ensuring that only the correct orientation establishes proper electrical connections
Solution Approach 2:
The conductive portion acts as an intermediary element between the first and second connectors, providing the necessary electrical connection while allowing mechanical independence. This intermediary structure simplifies the insertion and removal operation by decoupling the mechanical connection from the electrical connection complexity
Data Source
Figure 1~2
Figure 3
AI summary
The present disclosure provides an interface adapter device and a mobile terminal. The interface adapter device comprises a male connector and a third contact and a fourth contact provided on the male connector, wherein the male connector comprises a first end provided with a first interface and a second end provided with a second interface, the first and second ends are two opposite ends of the male connector, the third contact is electrically coupled to the second interface, the fourth contact is electrically coupled to the first interface, and the first and second ends of the male connector are insertable into the female connector; the third contact is in contact with the first contact when the male connector is inserted into the female connector through the first end, and the fourth contact is in contact with the second contact when the male connector is inserted into the female connector through the second end.