Proximity-Based Account Sync Without Repeated Device Logins

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Solution Overview

Problem

Synchronizing account settings across multiple devices is cumbersome and time-consuming, often requiring users to log in individually with login credentials.

Innovation Solution

A method and system for synchronizing account settings across devices by sending a request to sign a user account into a first device, receiving a response, sending data indicative of a group, and signing the user account into the device based on proximity and user presence, with optional encryption for sensitive data.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If users log in to each device individually with login credentials, then account settings can be synchronized across devices, but the process becomes cumbersome and time-consuming

Engineering Contradiction:
Improveaccount settings synchronizationVSAvoidlogin time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The system performs preliminary actions by establishing a trust relationship between devices through proximity detection and automatic authentication. The first device prepares authentication credentials and shares them with the second device before actual data synchronization occurs, eliminating the need for users to manually log in at each device.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent introduces an intermediary authentication mechanism that mediates between devices. The system uses proximity detection and automatic credential sharing as an intermediary process to establish trust relationships, allowing devices to authenticate each other without direct user intervention or manual credential entry.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If individual login credentials are required for each device, then security can be maintained, but user convenience deteriorates

Engineering Contradiction:
ImprovesecurityVSAvoidoperation convenience
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The system implements self-service authentication where devices automatically authenticate each other using pre-established trust relationships. The first device automatically provides authentication credentials to the second device based on proximity detection, eliminating the need for users to manually enter credentials while maintaining security through cryptographic verification.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

An automatic authentication intermediary process mediates between devices by detecting proximity, verifying trust relationships, and automatically sharing credentials. This intermediary mechanism maintains security protocols while removing the burden of manual credential management from users.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Productivity

If data is transferred between devices, then account settings synchronization is achieved, but data security risks increase

Engineering Contradiction:
Improvesynchronization efficiencyVSAvoiddata security risks
Core Design Contradiction:
ProductivityVSObject-affected harmful factors

Solution Approach 1:

The system performs preliminary security actions by establishing encrypted communication channels and verifying device identities before data transfer occurs. Authentication credentials are exchanged and verified in advance, ensuring that only authorized devices can receive synchronized data, thereby preventing unauthorized access while enabling efficient synchronization.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

An encrypted data transfer intermediary process mediates between devices by establishing secure communication protocols before data exchange. The system uses cryptographic verification and encrypted channels as intermediaries to protect data during transmission, eliminating security risks associated with plain text data transfer while maintaining synchronization efficiency.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS20250379914A1Techniques for synchronizing data
Publication Date: 2025.12.11 APPLE INC
  • US20250379914A1 patent drawing
  • US20250379914A1 patent drawing
  • US20250379914A1 patent drawing

AI summary

The present disclosure generally relates to synchronizing data. Some techniques are for automatically synchronizing data in accordance with some embodiments. Other techniques are for causing data to be available based on presence in accordance with some embodiments.