Signal Converter for All-in-One USB Connector Identification
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Solution Overview
Problem
Current all-in-one computer connectors face challenges in accurately determining whether a USB 3.0 or eSATA plug is connected due to shared signal pins, leading to potential incorrect identification by the computer main board.
Innovation Solution
A signal converter with outer and inner communication interfaces and a processing unit that periodically detects response signals from the connectors to accurately identify and convert signals, ensuring correct communication with external devices through the appropriate port.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If USB 3.0 and eSATA connectors share common signal pins to reduce connector space, then device compactness is improved, but signal identification accuracy deteriorates
Solution Approach 1:
The signal converter internally segments the shared signal pins into distinct USB 3.0 and eSATA signal paths through separate processing channels. The processing unit divides the detection and conversion tasks for different plug types, allowing accurate identification despite physical pin sharing.
Solution Approach 2:
The signal converter acts as an intermediary between the shared physical pins and the separate USB 3.0/eSATA signal requirements. It receives signals from the common pins, processes them through different conversion paths, and outputs appropriate signals for the detected plug type, enabling accurate identification while maintaining compact connector design.
2Device complexity
If the main board directly polls shared signal pins to determine plug type, then device complexity is reduced, but identification reliability deteriorates
Solution Approach 1:
The signal converter serves as an intermediary device between the main board and the external device. It receives polling signals from the main board, processes them through its identification logic, and provides reliable plug type determination while maintaining simple main board design.
Solution Approach 2:
The signal converter performs self-identification by detecting response signals from external devices and autonomously determining plug type. This eliminates the need for complex main board polling logic while ensuring reliable identification through the converter's built-in detection mechanisms.
3Measurement precision
If the signal converter periodically detects response signals to identify plug type, then identification accuracy is improved, but communication time increases
Solution Approach 1:
The signal converter employs periodic detection cycles to identify plug types. By conducting detection at regular intervals rather than continuously, it achieves accurate identification while minimizing time loss. The periodic action allows the system to balance detection thoroughness with communication efficiency.
Data Source
AI summary
A signal converter is used to connect between an all-in-one USB connector and a PCB and has USB 3.0 and eSATA signal interfaces, an inner communication interface and a processing unit. The processing unit has an identifying and converting procedure. The identifying and converting procedure is periodically executed to detect the USB 3.0 and eSATA signal interfaces in sequence and determine whether a response signal is sent back from one of the USB 3.0 and eSATA signal interfaces. If a determined result is positive, the processing unit bi-directionally converts two different standard signals of the inner communication interface and the one of the USB 3.0 and eSATA signal interfaces that transmitted the response signal. Therefore, the PCB successfully communicates with the external electronic device through the correct port of the all-in-one USB connector.