Head-Mounted Display Segmentation for Emergency Guidance
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Solution Overview
Problem
Conventional display apparatuses for operational forces, such as watches, require users to focus attention on the device for information reception, leading to distraction and reduced response capacity during operations.
Innovation Solution
A display apparatus with visually distinguishable segments, controlled by a wearable unit connected to a guidance system, providing peripheral visual cues for different information types like navigation, threats, and targets, allowing for real-time information delivery without significant user distraction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If a conventional display apparatus (e.g., watch) is used to display information contents, then the information can be transmitted to the user, but the user has to focus attention on the display device which causes distraction and reduces response capacity during operations
Solution Approach 1:
The display device is moved from a traditional wristwatch position to a head-mounted position, changing the spatial dimension of information delivery. This allows information to be presented in the user's field of view without requiring attention diversion, as the display becomes part of the user's visual environment rather than a separate object requiring focused attention.
Solution Approach 2:
Different segments of the display are assigned to different information types (navigation points, threats, targets, assignments) with distinct visual characteristics such as colors and positions. This local differentiation allows the user to quickly identify and respond to specific information types without processing the entire display, reducing cognitive load while maintaining comprehensive information reception.
2Loss of information
If the user looks at the watch for receiving information, then the information is received, but the response capacity of the user is reduced in a disadvantageous manner
Solution Approach 1:
By relocating the display to the head-mounted position within the user's visual field, information is delivered in the temporal dimension of peripheral vision rather than requiring a temporal pause to shift attention to a wristwatch. This eliminates the time loss associated with attention switching while maintaining continuous information reception.
Solution Approach 2:
Different information types are represented by distinct colors (e.g., red for threats, green for navigation points, blue for targets). This color coding allows the user to immediately recognize and prioritize information types based on color perception alone, reducing the time required to process and respond to critical information without needing to read or consciously attend to each element.
3Loss of information
If a display with multiple information types is provided, then comprehensive information is delivered, but the device complexity and weight increase
Solution Approach 1:
The display is divided into multiple independent segments, each dedicated to a specific information type (navigation points, navigation areas, threats, targets, assignments). This segmentation allows for modular construction where each segment can be independently controlled and optimized, reducing overall system complexity while maintaining comprehensive information delivery capabilities.
Solution Approach 2:
The head-mounted display device integrates multiple functions into a single platform: navigation guidance, threat detection, target acquisition, and assignment management. By consolidating these diverse information delivery functions into one universal display system, the patent avoids the complexity of multiple separate devices while ensuring complete information coverage for operational forces.
Data Source
AI summary
A display apparatus for an emergency service member for displaying information content of different information types from a guidance system is proposed. The display apparatus comprises a display, carriable by the emergency service member, having a plurality of visually distinguishable segments, with each of which at least one of the information types is associated, each segment being configured to visually output a current information content of the information type associated with the segment. Further, the display apparatus comprises an actuating unit, couplable to the guidance system, for actuating the display.