Watch Band Attachment Mechanism with Electrical Lockout
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Solution Overview
Problem
Wearable devices like smartwatches often have limited fit adjustment increments and lack securement mechanisms that ensure both physical and electrical connections are reliable and user-friendly, which can impact comfort and functionality.
Innovation Solution
The development of attachment mechanism architectures for watch bands that establish both physical and electrical connections between the watch band and the watch body, allowing for secure physical fixation and data/power transfer, with a lock-out feature to protect precision electrical components during swapping.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional attachment mechanisms are used, then the watch band can be attached to the watch body, but the fit adjustment increments are limited and the securement mechanism is not reliable
Solution Approach 1:
The attachment mechanism is divided into separate functional components: a receiver with adjustable positioning features, a connector with corresponding engagement features, and a separate fastening mechanism. This segmentation allows independent optimization of each component for both adjustability and reliability.
Solution Approach 2:
The attachment mechanism incorporates dynamic elements including spring-loaded connectors, movable positioning features, and flexible fastening components that adapt to different wrist sizes and provide consistent securement force across multiple adjustment positions.
2Ease of operation
If precision electrical components are exposed during band swapping, then easy band replacement is achieved, but the electrical components are vulnerable to damage
Solution Approach 1:
The electrical connector is designed with preliminary protective features including recessed mounting, protective caps, and interlocking mechanisms that engage before the band is fully removed. This ensures electrical components are protected during the entire band swapping process.
Solution Approach 2:
A protective intermediary structure is provided between the electrical components and the external environment during band removal/installation. This includes protective housings, alignment guides, and sequential engagement features that prevent direct exposure of precision electrical components.
3Ease of operation
If the attachment mechanism is simplified for easy swapping, then user-friendliness is improved, but the physical connection reliability may be compromised
Solution Approach 1:
The attachment mechanism incorporates self-aligning features, self-latching connectors, and automatic engagement systems that reduce the complexity of user operation while maintaining strong physical connections. The mechanism serves itself by automatically ensuring proper alignment and secure engagement.
Solution Approach 2:
Multiple functions are merged into integrated components: the physical connector simultaneously provides mechanical attachment, electrical connection, and alignment features. The fastening mechanism integrates both security and release functions in a single user-friendly interface.
Data Source
AI summary
A watch band can provide both a physical connection and an electrical connection with a watch body of a watch. The watch band is fixed relative to the watch body and an electrical connection is either performed either simultaneously or shortly thereafter. The electrical connection enables data and power transfer between the watch body and the watch band. The electrical connection may also be performed by a secondary user interaction. Secondary user inactions may involve the user sliding, pulling, pushing, or rotating a portion of the watch band or watch body.