Multi-Interface Connector Without Active Circuits
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Solution Overview
Problem
Conventional USB adapters require electrical circuits to function, limiting their adaptability to different types of connectors and failing to meet the diverse needs of emerging applications.
Innovation Solution
A connector design featuring a first and second shell with insulative portions and a terminal set, comprising specific contact configurations and dimensions, allowing for the adaptation of different types of interfaces without the need for electrical circuits, and providing a balanced and shielded structure to reduce electromagnetic interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional USB adapters use electrical circuits to achieve adapter functions, then signal detection and display functions are provided, but the adaptability to different types of connectors is limited and device complexity increases
Solution Approach 1:
The patent removes the electrical circuit components (transistor, LED, resistors) from the adapter design. Instead of using active electronic components for signal detection and display, the invention relies on passive mechanical connection and the inherent electrical properties of the connector interfaces themselves, thereby eliminating the need for complex electrical circuits while maintaining adapter functionality
Solution Approach 2:
The adapter housing is designed with a universal structure that can accommodate multiple connector types (USB Type-A, Type-B, Micro-USB, USB Type-C, etc.) through a single standardized interface. The internal terminal arrangement and housing geometry are configured to adaptively accept different connector forms without requiring type-specific electrical circuitry, achieving multi-functionality through mechanical design rather than electronic complexity
2Reliability
If electrical circuits are used in the adapter base, then signal transmission detection is enabled, but material usage and production costs increase
Solution Approach 1:
The adapter utilizes the self-service principle by relying on the inherent electrical connection properties of the connector interfaces themselves for signal transmission. The connected devices' own circuits perform the detection function, and the adapter's solid construction provides inherent shielding without requiring additional materials for electrical detection circuits
Solution Approach 2:
The invention discards the traditional approach of using separate electrical detection circuits and recovers the detection function through the natural electrical connectivity established by the physical connector interface. This eliminates the need for additional transistors, LEDs, and associated circuitry, reducing material consumption while maintaining the ability to detect and transmit signals
3Adaptability or versatility
If a standardized terminal arrangement is used for multiple connector types, then adaptability is improved, but manufacturing precision requirements increase
Solution Approach 1:
The adapter housing is segmented into distinct receiving zones for different connector types, with each zone having optimized terminal arrangements. The terminal set is divided into groups that correspond to specific connector interfaces, allowing each segment to be manufactured with appropriate precision tolerances while maintaining overall adaptability across multiple connector standards
Data Source
AI summary
A connector comprises a first shell configuring with a first insulative portion having a first base portion and a first tongue portion to conform an first type interface, a second shell configuring with a second insulative portion having a second base portion and a second tongue portion to conform an second type interface and a terminal set, held in a housing, including a plurality of the first terminals and a plurality of the second terminals, wherein said terminal set is made up of a group comprising the first terminals and the second terminals and configuring the terminal set with a special arrangement.