NFC Strap Tagging for Automatic Smartwatch Face Matching

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Solution Overview

Problem

Smartwatch users face inconvenience when changing straps, as it often requires reconfiguring or altering the watch face to match the new strap style.

Innovation Solution

A method and apparatus using NFC tagging to provide a watch face that matches a strap based on unique identification information, allowing the watch face to be automatically configured on a wearable device when paired with a user terminal.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Shape

If users manually change the watch face to match a new strap style, then the visual consistency of the smartwatch is improved, but the time and effort required for configuration increases

Engineering Contradiction:

Improvevisual consistencyVSAvoidconfiguration time

Core Design Contradiction:

ShapeVSLoss of time

Solution Approach 1:

The NFC tag on the strap contains pre-configured watch face information and URL data. When the strap is attached to the wearable device, the system automatically reads this information and applies the appropriate watch face without requiring user configuration actions.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The system enables automatic watch face configuration by having the wearable device autonomously read the NFC tag information and retrieve the corresponding watch face data from the server, eliminating the need for manual user intervention in the matching process.

Inventive Principle:

Principle #25Self-service

2Adaptability or versatility

If the watch face information is made publicly accessible via URL, then any user can access and apply the watch face, but the exclusivity and ownership control of the strap-specific watch face is reduced

Engineering Contradiction:

ImproveaccessibilityVSAvoidownership control

Core Design Contradiction:

Adaptability or versatilityVSReliability

Solution Approach 1:

The server acts as an intermediary between the NFC tag information and the watch face delivery. It validates the strap's unique identification information against stored owner data before providing the watch face, ensuring that only authorized users can access their strap-specific watch faces while maintaining a centralized access point.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The NFC tag contains localized, strap-specific information including unique identification data that is distinct to each strap. This localized information enables the system to provide customized watch faces specific to each strap while maintaining overall system-wide validation through the server.

Inventive Principle:

Principle #3Local quality

Data Source

PatentUS12596332B2Method and apparatus for providing watch face using NFC tagging

Publication Date: 2026.04.07 APPOSTER INC

AI summary

A method and apparatus for providing a watch face using NFC tagging performed by at least one server includes obtaining watch face request information from a user terminal based on uniform resource locator (URL) information corresponding to a strap; and providing information about a watch face matching the strap based on the URL information to the user terminal. The URL information is obtained from a Near Field Communication (NFC) tag mounted on the strap via an NFC reader installed in the user terminal.