Mobile Device Limited Access Mode for Data Privacy

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Solution Overview

Problem

Mobile devices often contain sensitive personal data, making it difficult for users to share specific content, like photos, without risking access to other data stored on the device.

Innovation Solution

A method and system for operating a mobile device in a limited access mode, where user inputs detectively activate this mode, restricting tasks based on the active application, allowing only permitted functions, such as zooming in an image viewing app, while preventing access to other data until the device is unlocked.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the mobile device allows full access to all data and applications, then the user can freely view and manage all personal information including photos and accounts, but other persons can also access sensitive data stored on the device

Engineering Contradiction:
Improveaccess to dataVSAvoiddata security
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The system segments access rights by creating a restricted mode that separates specific content access from general device access. When a user selects a photo to share, the system creates a isolated viewing session that allows only that specific photo to be displayed, while all other data remains inaccessible. This segmentation resolves the contradiction by allowing data access for the specific purpose (viewing one photo) while preventing unauthorized access to other sensitive information.

Inventive Principle:
Principle #1Segmentation

2Object-affected harmful factors

If the mobile device restricts access to specific applications and tasks, then data security is improved, but the user cannot switch between applications or perform other tasks

Engineering Contradiction:
Improvedata securityVSAvoidapplication switching
Core Design Contradiction:
Object-affected harmful factorsVSAdaptability or versatility

Solution Approach 1:

The system dynamically adjusts the level of restriction based on the user's intent and the specific context. When a photo is selected for sharing, the system enters a restricted mode that prevents application switching and other tasks. However, the user can exit this restricted mode by navigating back to the previous screen or using the back button, which restores full access. This dynamic adjustment resolves the contradiction by temporarily limiting versatility when security is needed, while allowing full adaptability to resume when the restricted session ends.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS10902153B2Operating a mobile device in a limited access mode
Publication Date: 2021.01.26 INTERNATIONAL BUSINESS MACHINE CORPORATION
  • US10902153B2 patent drawing
  • US10902153B2 patent drawing
  • US10902153B2 patent drawing

AI summary

Methods, systems and computer program products for operating a mobile device in a limited access mode are provided. Aspects include detecting an input from a user via an input device of the mobile device, the input configured to place the mobile device in the limited access mode. Aspects also include determining an active application of the mobile device at a time of the detected input and restricting the mobile device from performing one or more tasks based on the active application of the mobile device at the time of the detected input, wherein the one or more tasks include switching from the active application.