Wearable Device ACF Cable Skin Attachment
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Solution Overview
Problem
Existing wearable devices face challenges in safely and effectively connecting skin-attachable sensors to electronic devices without causing harm to the human body, as they require electrical connection that may involve high temperatures or pressures.
Innovation Solution
A wearable device system utilizing an Anisotropic Conductive Film (ACF) cable and Flexible Printed Circuit (FPC) cable for safe electrical connection, along with a surface-mounted device (SMD) connector, allowing for detachable and wireless communication with external devices, including user data such as brain waves.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional electrical connection methods are used to connect skin-attachable devices to electronic devices, then electrical connection is achieved, but harmful factors such as high temperature or pressure may affect the human body
Solution Approach 1:
The patent introduces a connection device as an intermediary component between the skin-attachable device and the electronic device. This connection device includes a first cable with an Anisotropic Conductive Film (ACF) that enables electrical connection without requiring high temperature or pressure, thus protecting the human body from harmful factors while maintaining reliable electrical connectivity
Solution Approach 2:
The patent replaces conventional mechanical connection methods that require high temperature or pressure with an Anisotropic Conductive Film (ACF) based electrical connection system. The ACF cable provides electrical conductivity through its material properties rather than through mechanical force or thermal processes, eliminating the harmful effects on the human body
2Ease of operation
If skin-attachable devices are made thin and flexible to conform to body curves, then ease of attachment is improved, but electrical connection to external devices becomes more difficult
Solution Approach 1:
The patent divides the wearable system into distinct segments: a thin skin-attachable device for easy body attachment, and a separate connection device with cables for electrical connectivity. This segmentation allows the skin-attachable device to remain simple and flexible while the connection device handles the complexity of electrical connection to electronic devices
Solution Approach 2:
The connection device serves as an intermediary that bridges the thin skin-attachable device and the electronic device. It includes a first cable connected to the skin-attachable device and a second cable connected to the electronic device, allowing the thin wearable component to maintain simplicity while achieving reliable electrical connection through the intermediary connection device
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
Enables safe and reliable operation of skin-attachable devices by avoiding harmful connection processes, facilitating normal functioning while transmitting user data wirelessly to external devices.
Implementation Method 1
The first cable may include an Anisotropic Conductive Film (ACF) cable
Implementation Method 2
The second cable may include a Flexible Printed Circuit (FPC) cable
Data Source
AI summary
A wearable device includes a skin-attachable device to be attached to a skin of a user to acquire user data, an electronic device that supplies power to the skin-attachable device, and a connection device including a first cable connected to the skin-attachable device and a second cable connected to the first cable and detachably attached to the electronic device.