Mobile Terminal Multi-Mode Screen Sharing Security Control
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Solution Overview
Problem
Current mobile terminals lack the ability to efficiently manage and secure multiple modes of operation, leading to difficulties in data security and convenient mode switching when sharing screens with external terminals.
Innovation Solution
A mobile terminal with a multi-mode operating system capable of activating and controlling different modes, allowing for secure sharing of mode screens with external terminals, where the level of content displayed can be tailored based on the terminal's security level and user access authorities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If screen sharing is enabled between mobile terminals, then convenience of operation is improved, but data security deteriorates due to unauthorized access to sensitive information
Solution Approach 1:
The patent applies local quality by implementing different security levels for different content regions within the screen. Sensitive information areas are marked with higher security levels that prevent sharing, while non-sensitive areas can be shared normally. This allows screen sharing functionality to operate conveniently for non-sensitive content while maintaining data security for sensitive regions through localized security control.
2Adaptability or versatility
If multiple modes are implemented in a mobile terminal, then adaptability is improved, but device complexity increases due to mode management overhead
Solution Approach 1:
The patent implements universality by creating a security level marking mechanism that operates across all modes and content types within the mobile terminal. Instead of implementing separate security management systems for each mode (private, public, secure, etc.), a universal security level marking approach is used that can handle different modes through a common framework, thereby reducing overall system complexity while maintaining multi-mode adaptability.
3Reliability
If security levels are applied to screen content, then data security is improved, but ease of operation deteriorates due to restricted sharing capability
Solution Approach 1:
The patent applies partial action by implementing security level marking only on specific regions of the screen containing sensitive information, rather than applying uniform restrictions to the entire screen. This allows users to share non-sensitive portions of the screen freely while automatic security control is applied only where needed, maintaining operational simplicity for the majority of content while ensuring security for sensitive areas.
Data Source
Figure 1
Figure 2A~2B
Figure 3A~3B
AI summary
A mobile terminal including a communication unit configured to communicate with at least one external terminal; a memory configured to store at least a first and second operating system including at least first and second modes, respectively; and a controller configured to execute the first operating system and to activate the first mode corresponding to the first operating system, to display a first information screen on a display corresponding to the activated first mode, to receive a switching signal indicating the first mode is to be switched to the second mode, to activate the second mode and deactivate the first mode, and to display a second information screen on the display corresponding to the second mode and that is different than the first information screen. Further, the controller is further configured to selectively transmit information included on the first or second information screen to the at least one external terminal based on a prescribed designated level.