Peripheral Visual Cue HUD Without Tracking
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional head-up display (HUD) systems, particularly those used in aircraft, are complex, costly, and introduce latency due to the need for head or eye tracking systems to align displayed symbology with the real-world environment, which can be cumbersome and inefficient.
Innovation Solution
A display system that provides visual cues in the far or mid peripheral vision area without the need for head or eye tracking, using a combiner, image source, projector, and processor to project cues outside the central viewing area, allowing for alerts and warnings based on vehicle position and movement data from sensors like GPS and flight management systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If head or eye tracking systems are used to align displayed symbology with the real-world environment, then the displayed information is conformal to the environment, but the system complexity and cost increase significantly
Solution Approach 1:
The patent removes the tracking system from the HUD configuration, extracting the conformality function to only the essential display elements while eliminating the complex head and eye tracking subsystems. This allows the display to show information without requiring active tracking of pilot head position or eye direction.
Solution Approach 2:
Instead of using tracking systems to dynamically align symbology with the pilot's view, the patent inverts the approach by using fixed, pre-positioned visual cues in the peripheral vision area that provide alert information without requiring any tracking alignment mechanism.
2Reliability
If head or eye tracking systems are implemented to provide conformal display, then the displayed information aligns with the pilot's view, but latency is introduced to the system
Solution Approach 1:
The patent places alert and warning information in advance in the pilot's peripheral vision area, so that the information is already positioned and visible before the pilot needs to react. This eliminates the time delay associated with tracking systems that must continuously monitor and adjust symbology position based on head and eye movements.
3Reliability
If tracking systems are used to infer pilot's head or eyes position, then conformal display is achieved, but the system becomes costly and complex
Solution Approach 1:
The patent extracts and removes the entire tracking system subsystem from the HUD architecture, eliminating cameras, processors, and algorithms required for head and eye position inference. The display provides essential alert information without any tracking infrastructure.
Solution Approach 2:
The patent replaces expensive, complex tracking systems with simple, fixed visual cue elements that provide sufficient alert information for safety-critical functions without requiring sophisticated sensors or processing capabilities.
4Ease of operation
If visual cues are provided in the central viewing area, then the pilot can easily see the information, but the pilot's situational awareness of the environment is reduced
Solution Approach 1:
The patent places alert and warning information specifically in the peripheral vision area rather than the central viewing area. This local positioning allows the information to be displayed where it can be perceived without interfering with the pilot's central focus on the flight environment, maintaining both visibility and situational awareness.
Data Source
AI summary
A display system includes a display and a computer. The computer is configured to cause the display provide a visual cue in a far or mid peripheral vision area of the display with respect to a user's forward looking view through the display. The display system can be a head up display (HUD) on a worn display for use in aircraft or other applications.