Dual-Display GUI Layout for Secure Incident-Based Radio Workflows
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Solution Overview
Problem
Designing display systems and graphical user interfaces for land mobile radio systems is challenging due to the need for intuitive, quick navigation under high-stress, time-sensitive conditions, rapid situation adaptation, and secure information presentation in limited display areas, especially for public safety personnel.
Innovation Solution
A system with an in-vehicle assistant platform and mobile communication device featuring dual electronic processors and displays, which selectively renders authorized applications based on user profiles and situational alerts, updates interfaces dynamically, and secures information without direct intervention, using wired or wireless communication links.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If graphical user interfaces present all available applications and information on limited display screens, then information completeness is improved, but cognitive load increases and ease of operation deteriorates
Solution Approach 1:
The system segments information presentation across two displays: a first display (in-vehicle assistant) shows prioritized critical information, while a second display (mobile device) shows additional applications and details. This segmentation allows complete information availability without overwhelming the user's cognitive load on any single screen.
Solution Approach 2:
The system applies local quality by rendering different applications on different displays based on their priority and relevance. Critical safety applications appear on the in-vehicle display, while less critical applications appear on the mobile device display, optimizing information presentation for each specific location and context.
2Adaptability or versatility
If graphical user interfaces are designed to quickly adapt to rapid situation changes, then adaptability is improved, but system complexity increases
Solution Approach 1:
The system performs preliminary action by pre-establishing communication links and data flow pathways between the mobile device and in-vehicle assistant platform. When situations change rapidly, the system can quickly update interface content without needing to reconfigure the entire system, reducing complexity while maintaining high adaptability.
Solution Approach 2:
The system implements feedback mechanisms where the interface continuously monitors situation changes (via alert signals and workflow items) and automatically adjusts the rendered applications and information priority. This closed-loop feedback enables rapid adaptation without requiring complex manual reconfiguration.
3Reliability
If the system automatically secures sensitive information by locking screens, then security is improved, but ease of operation deteriorates due to additional steps
Solution Approach 1:
The system applies self-service by automatically monitoring signal strength and securing sensitive information without requiring user intervention. When the communication link between devices weakens, the system autonomously locks the in-vehicle assistant display, providing security while maintaining ease of operation through automation.
4Adaptability or versatility
If the system renders different applications on different displays based on user profiles, then adaptability is improved, but device complexity increases
Solution Approach 1:
The system implements universality by using a common user profile data structure that works across both displays and multiple users. The same profile parsing logic and application authorization mechanism serve both the in-vehicle assistant and mobile device, reducing system complexity while enabling extensive customization and adaptability.
Data Source
AI summary
A system includes an in-vehicle assistant (IVA) platform and a mobile communication device. The IVA platform includes a first electronic processor, a first display, and a first communications interface. The mobile communication device includes a second electronic processor, a second display, and a second communications interface. At least one of the first electronic processor or the second electronic processor is configured to access a user profile, parse the user profile to identify a set of applications authorized for use by the user profile, the set of applications including a first application and a second application, generate and render a first graphical user interface (GUI) on the first display, generate and render a second GUI on the second display, render the first application on the first GUI and not on the second GUI, and render the second application on the second GUI and not on the first GUI.