Mobile Folder Synchronization via Cloud Mediator

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Solution Overview

Problem

Existing technologies face challenges in efficiently synchronizing folders and enabling offline access across different platforms and devices in a web-based collaboration environment.

Innovation Solution

The implementation of a system and method for folder synchronization and offline access, where a host server facilitates synchronization with mobile devices via a mobile platform, allowing users to select folders for offline access and manage permissions, while ensuring data consistency and conflict resolution.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If folder synchronization is implemented across multiple devices and platforms, then data accessibility and user productivity are improved, but system complexity and data consistency management become worse

Engineering Contradiction:
Improveuser productivityVSAvoidsystem complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent introduces a cloud-based server as an intermediary that mediates synchronization between multiple devices and platforms. The server maintains a centralized copy of folders and files, automatically reconciling changes from different devices. This intermediary approach enables cross-device productivity without requiring direct peer-to-peer synchronization complexity between devices.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The system creates and maintains copies of folder structures and file contents across multiple devices through cloud-based replication. Each device receives synchronized copies of the relevant folders, allowing offline access and local operations while the server maintains the master copy. This copying mechanism enables productivity on multiple devices without requiring complex real-time coordination between them.

Inventive Principle:
Principle #26Copying

2Ease of operation

If offline access to files is enabled on mobile devices, then accessibility without internet connection is improved, but data synchronization complexity and storage requirements become worse

Engineering Contradiction:
Improveoffline access capabilityVSAvoidsynchronization complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The system performs preliminary synchronization actions by downloading and caching folder contents to mobile devices before offline access is needed. The mobile application pre-loads relevant files and folder structures into local storage, enabling immediate offline access without requiring complex real-time synchronization during offline operations. Changes made offline are queued for later synchronization when connectivity is restored.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent implements a nested structure where cloud-based folder hierarchies are replicated locally on mobile devices. The local device maintains a nested copy of the cloud folder structure, allowing users to navigate and access files offline as if connected. This nesting approach enables offline accessibility by embedding a complete local copy within the device's storage architecture.

Inventive Principle:
Principle #7Nested doll (Nesting)

3Quantity of substance

If selective folder synchronization is implemented, then user control and storage efficiency are improved, but selection management complexity becomes worse

Engineering Contradiction:
Improvestorage efficiencyVSAvoidselection management
Core Design Contradiction:
Quantity of substanceVSEase of operation

Solution Approach 1:

The system implements universal folder selection mechanisms that work across multiple devices and platforms through a unified cloud interface. Users can select folders for synchronization from any device, and the selection is automatically propagated to all other devices. This multi-functional approach allows storage efficiency through selective synchronization while maintaining ease of operation through platform-agnostic selection management.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent incorporates feedback mechanisms that notify users when folder selections are made on one device, automatically updating the selection state on other devices. The system provides visual feedback about which folders are selected for synchronization and their current sync status, enabling users to manage selections efficiently without manually configuring each device individually.

Inventive Principle:
Principle #23Feedback

4Reliability

If real-time synchronization is implemented across devices, then data consistency is improved, but network bandwidth consumption and sync time become worse

Engineering Contradiction:
Improvedata consistencyVSAvoidnetwork bandwidth consumption
Core Design Contradiction:
ReliabilityVSLoss of energy

Solution Approach 1:

The system implements periodic synchronization intervals rather than continuous real-time sync. The mobile application checks for changes at scheduled intervals and synchronizes data in periodic batches. This periodic approach maintains data consistency across devices while significantly reducing network bandwidth consumption compared to continuous real-time synchronization, as changes are transmitted only when detected during periodic checks.

Inventive Principle:
Principle #19Periodic action

Solution Approach 2:

The patent extracts and transmits only the specific changed elements (individual files or folder metadata) rather than synchronizing entire folder structures continuously. When changes are detected, the system extracts only the modified items and transfers them selectively. This extraction approach maintains data consistency by ensuring changes are propagated while minimizing network bandwidth consumption by avoiding redundant data transmission.

Inventive Principle:
Principle #2Taking out (Extraction)

Data Source

PatentUS12242507B2Mobile platform file and folder selection functionalities for offline access and synchronization
Publication Date: 2025.03.04 BOX INC
  • US12242507B2 patent drawing
  • US12242507B2 patent drawing
  • US12242507B2 patent drawing

AI summary

Systems and methods for folder synchronization and offline synchronization via a mobile platform in a web-based collaboration environment are disclosed. One embodiment includes synchronizing user selected folders and/or sub-folders via the mobile platform, using portable devices including smart phones and tablets using any mobile operating system to allow offline access. Child or sub-folders of the selected folders and/or sub-folders are automatically detected and synchronized for offline access. Any change or new content detected on the client side or on the server side is also synchronized such that the selected folders and/or sub-folders on the client and server sides are up to date.