Antenna Assembly with Movable Connecting Member for Wearable Devices
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Solution Overview
Problem
Current antenna assemblies for wearable or wrist-worn radio devices do not enable cost-efficient customization, which can affect device performance and compliance with regulatory radio requirements when parts such as bezels are changed.
Innovation Solution
An antenna assembly with a conductive bezel and multiple attachment points on a printed circuit board, allowing for adjustable connection points to optimize radiation patterns and signal reception for various devices using the same PCB for different variants within a product family.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the same PCB is used for different device variants, then manufacturing cost is reduced, but antenna performance and regulatory compliance cannot be maintained across variants
Solution Approach 1:
The antenna system is segmented into a fixed PCB antenna element and a movable connecting member that can be positioned at different attachment points. This segmentation allows the PCB to remain identical across device variants while the connecting member's position is adjusted to optimize antenna performance for each specific variant's conductive body configuration.
Solution Approach 2:
The connecting member is designed to be dynamically positionable relative to the PCB, allowing it to be coupled to different attachment points on the PCB depending on the device variant. This dynamic positioning enables the same PCB to support multiple device variants with optimized antenna performance for each variant's specific geometry and conductive materials.
2Adaptability or versatility
If device parts such as bezel are customized, then customer preferences are met, but regulatory radio requirements may no longer be satisfied
Solution Approach 1:
The PCB antenna element is designed with universal attachment points that can accommodate different conductive body configurations. The connecting member can be positioned at different attachment points to create different antenna geometries, allowing the same PCB to serve multiple device variants with different bezels and conductive materials while maintaining regulatory compliance through optimized antenna performance.
3Ease of manufacture
If the connecting member is fixed to a single attachment point, then assembly is simplified, but the antenna cannot be optimized for different device variants
Solution Approach 1:
The antenna system is divided into the PCB with multiple attachment points and a separate connecting member. This segmentation allows the PCB to remain identical for all variants (simplifying manufacturing) while the connecting member can be positioned at different attachment points for different device variants (enabling optimization).
Solution Approach 2:
The position parameter of the connecting member relative to the PCB is changed depending on the device variant. By coupling the connecting member to different attachment points on the PCB, the antenna's electrical characteristics and radiation pattern can be optimized for each specific device variant's geometry and materials.
Data Source
AI summary
The invention concerns an assembly for an antenna, wherein the assembly comprises at least one circuit board of an electronic device, a conductive body arranged at a distance from said at least one circuit board, and an element of said antenna which comprises multiple attachment points for at least one connecting member, and said at least one connecting member is coupled to only one of said multiple attachment points at a time.