Smartphone Extension Pairing for Automatic Data Synchronization

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Solution Overview

Problem

Existing solutions for synchronizing data across multiple mobile devices with the same telephone number are complex, require additional costs, and pose privacy concerns, while not effectively synchronizing multimedia operations.

Innovation Solution

A single smartphone equipped with an accessory device, or extension device, that allows for automatic data synchronization and seamless operation across devices, eliminating the need for complex synchronization processes and additional costs.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If multiple phones with SIMs having the same telephone number are used, then ease of operation is improved, but device complexity worsens due to data synchronization requirements

Engineering Contradiction:
Improveease of useVSAvoiddata synchronization complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent creates a virtual copy of the primary device's data and identity on the secondary device. The secondary device replicates the primary device's telephone number, contacts, and data structure, allowing it to function as an identical duplicate without requiring complex real-time synchronization protocols. This copying approach simplifies the system by making the secondary device a standalone replica rather than a synchronized partner.

Inventive Principle:
Principle #26Copying

Solution Approach 2:

The patent performs data synchronization in advance during the device pairing and initialization phase. Rather than continuously synchronizing data during use, the system pre-populates the secondary device with all necessary data from the primary device, including contacts, settings, and application data. This preliminary action eliminates the need for ongoing complex synchronization operations.

Inventive Principle:
Principle #10Preliminary action

2Loss of information

If Cloud service is used for data synchronization, then data availability is improved, but loss of substance worsens due to recurrent costs and privacy concerns

Engineering Contradiction:
Improvedata availabilityVSAvoidrecurrent costs
Core Design Contradiction:
Loss of informationVSLoss of substance

Solution Approach 1:

The patent extracts the data synchronization function from external Cloud services and implements it locally within the device pair. By taking out the synchronization mechanism from the Cloud and embedding it in the devices themselves, the system eliminates recurrent subscription costs and privacy concerns associated with Cloud storage while maintaining full data availability across both devices.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent implements self-service data synchronization where the devices automatically manage their own data exchange without requiring external Cloud infrastructure. The secondary device independently receives and stores copies of data from the primary device through direct communication channels, making the system self-sufficient and free from Cloud service dependencies.

Inventive Principle:
Principle #25Self-service

3Adaptability or versatility

If SIM is moved between phones, then adaptability is improved, but loss of time worsens due to time-consuming SIM and SD Card movement

Engineering Contradiction:
Improvephone switching capabilityVSAvoidtime for SIM and SD Card movement
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The patent copies all SIM card data (telephone number, contacts, identification) and SD card data (multimedia, documents, applications) to the secondary device during initialization. This creates a complete duplicate that can be instantly activated without physical card movement, eliminating the time-consuming process of manually transferring SIM and SD cards between devices while maintaining full adaptability.

Inventive Principle:
Principle #26Copying

4Ease of operation

If two phones with same telephone number are used, then ease of operation is improved, but manufacturing precision worsens due to lack of multimedia operation synchronization

Engineering Contradiction:
Improvephone switching capabilityVSAvoiddata consistency
Core Design Contradiction:
Ease of operationVSManufacturing precision

Solution Approach 1:

The patent performs comprehensive data replication in advance during the device pairing process, ensuring that all multimedia operations, application data, and system settings are copied to the secondary device before use. This preliminary data preparation ensures that both devices start with identical data states, maintaining manufacturing precision and data consistency without requiring ongoing synchronization.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentEP3949357B1Direct synchronization of data between communication devices
Publication Date: 2025.10.15 NAXOS FINANCE SA
  • EP3949357B1 patent drawingFigure 1
  • EP3949357B1 patent drawingFigure 2

AI summary

The present invention relates to an apparatus (100) for communications, which can be configured with different dimensions and performance so as to suit different circumstances of use. The apparatus (100) consists of a typical device for wireless communications (101), such as a smartphone, which can be aggregated with a bigger device (102) offering better fruition of images and videos and better characteristics in terms of battery life, memories, cameras, and the like. The data necessary for the operation of the apparatus (100) and the data of interest for the user are synchronized automatically as aggregation occurs.