Flexible Circuit Board Length Adjustment for Wearable Rings

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Solution Overview

Problem

Existing wearable electronic devices, such as rings, require multiple circuit board designs to accommodate different sizes, increasing manufacturing costs and complexity.

Innovation Solution

A wearable electronic device design featuring an annular housing with two flexible circuit boards and electronic elements, where the first flexible circuit board is cut to adjust length, allowing the second circuit board to connect and adjust the relative positions of electronic elements, eliminating the need for various circuit board sizes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple circuit board designs are used for different sizes of wearable devices, then the fit and functionality for various device sizes are improved, but the manufacturing cost and design complexity increase

Engineering Contradiction:

Improveadaptability to different device sizesVSAvoidcircuit board design complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The circuit board is designed as a flexible structure that can be dynamically adjusted in length through cutting to different specifications. This dynamic adaptability allows a single base design to serve multiple device sizes, resolving the contradiction between versatility and design complexity.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The length parameter of the circuit board is made variable by providing cutting lines that allow the board to be cut to different lengths. This parameter change enables the same circuit board design to accommodate different wearable device sizes without requiring multiple distinct designs.

Inventive Principle:

Principle #35Parameter changes

2Adaptability or versatility

If multiple circuit board designs are used for different sizes of wearable devices, then the fit and functionality for various device sizes are improved, but the manufacturing cost increases

Engineering Contradiction:

Improveadaptability to different device sizesVSAvoidmanufacturing cost

Core Design Contradiction:

Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

A single universal circuit board design with multiple cutting options serves multiple device size requirements. This universality eliminates the need to manufacture separate circuit boards for different sizes, thereby reducing manufacturing costs while maintaining adaptability.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The circuit board's length is made dynamic through standardized cutting lines, allowing production of different lengths from the same base design. This reduces the number of unique components that need to be manufactured, lowering overall manufacturing costs.

Inventive Principle:

Principle #15Dynamics

3Ease of manufacture

If the circuit board length is fixed, then the manufacturing process is simplified, but the ability to accommodate different wearable device sizes is reduced

Engineering Contradiction:

Improvemanufacturing process simplicityVSAvoidadaptability to different device sizes

Core Design Contradiction:

Ease of manufactureVSAdaptability or versatility

Solution Approach 1:

The circuit board is segmented with predefined cutting lines that divide the board into modular sections. This segmentation allows the board to be cut to different lengths while maintaining manufacturing simplicity, as the cutting process follows standardized lines rather than requiring custom designs for each size.

Inventive Principle:

Principle #1Segmentation

4Ease of manufacture

If a single circuit board design is used for all device sizes, then the manufacturing cost is reduced, but the fit and functionality for specific device sizes may be compromised

Engineering Contradiction:

Improvemanufacturing costVSAvoidprecise positioning of electronic elements

Core Design Contradiction:

Ease of manufactureVSManufacturing precision

Solution Approach 1:

The circuit board incorporates segmentation lines that enable precise cutting at standardized intervals. This segmentation maintains manufacturing precision by ensuring that electronic elements remain properly positioned relative to the board edges and connection points, even when the board is cut to different lengths.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Different regions of the circuit board are designed with specific functions, and the cutting is performed at locations that preserve the integrity of these local qualities. This ensures that regardless of the final length, the electronic elements and their connections maintain precise positioning and proper functionality.

Inventive Principle:

Principle #3Local quality

Data Source

PatentUS9645610B1Wearable electronic device, manufacturing method and fixture of flexible circuit board

Publication Date: 2017.05.09 QUANTA COMPUTER INC

AI summary

A wearable electronic device includes an annular housing, a first flexible circuit board and a second flexible circuit board. The first flexible circuit board and the second flexible circuit board are disposed in the annular housing. The second flexible circuit board is fixed on the first flexible circuit board.