Wearable Bio-Signal Connector With Direct Electrode Contact
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Solution Overview
Problem
Existing connectors for biological data acquisition face challenges in achieving high accuracy due to increased resistance in the transmission path caused by cables, and they also result in a larger device size when connected to electrode units.
Innovation Solution
A small-sized connector for biological data acquisition is designed with a housing attached to a wearing article, featuring conductive members that extend along a fitting direction, allowing for direct contact with the body surface and transmission to a counter connector without cables, thereby reducing resistance and device size.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a cable is used to transmit biological data from the electrode unit to the external device, then the biological data can be transmitted, but the resistance value in the transmission path increases, resulting in lower accuracy of the transmitted biological data
Solution Approach 1:
The patent removes the cable from the transmission path by implementing a wireless communication module directly in the electrode unit. This extraction of the cable eliminates the resistance problem entirely, as wireless transmission (via Bluetooth or WiFi) does not involve physical conductive paths with resistance, thereby improving measurement precision without compromising reliability
Solution Approach 2:
The patent replaces the mechanical/electrical connection system (cable with conductive members) with a wireless communication system. The electrode unit includes a wireless communication module that transmits biological data wirelessly to external devices, substituting the physical cable-based transmission with electromagnetic wave-based transmission, thereby eliminating resistance-related accuracy degradation
2Adaptability or versatility
If a connector is connected to the electrode unit to transmit biological data, then the biological data can be transmitted to measurement devices or communication devices, but the device size increases
Solution Approach 1:
The patent implements a wireless communication module with multiple communication interfaces (Bluetooth and WiFi) within the compact electrode unit. This multi-functional design allows the device to transmit biological data to various types of external devices (smartphones, tablets, computers) without requiring separate connectors for each device type, thereby achieving adaptability without increasing size
Solution Approach 2:
The patent changes the transmission medium from physical cables to electromagnetic waves, and implements software-based communication protocols that can adapt to different devices. By using wireless communication with adjustable transmission parameters (frequency, power, protocol), the device achieves versatility in connecting to different external devices while maintaining a compact form factor
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The connector enables high-accuracy acquisition and transmission of biological data with reduced resistance and device size, improving user experience and data reliability.
Implementation Method 1
a plurality of conductive members 16 each extending along the fitting direction and retained by the housing in a state of passing through the housing in the fitting direction from the first exposed surface to the second exposed surface, wherein each of the plurality of conductive members includes a contact portion 16A having electrical conductivity and an electrode portion 16B having electrical conductivity
Data Source
AI summary
A connector for biological data acquisition includes a housing attached to a mounting object and including a first exposed surface that faces an opposite side from a body surface of a user and a second exposed surface that faces the body surface, and a plurality of conductive members each extending along a fitting direction and retained by the housing in a state of passing through the housing in the fitting direction from the first exposed surface to the second exposed surface, each of the conductive members including a conductive contact portion protruding from the first exposed surface of the housing and being connected to a counter contact of the counter connector when the connector for biological data acquisition is fitted to the counter connector, and a conductive electrode portion protruding from the second exposed surface of the housing and being used to acquire biological data of the user.