Wearable See-Through Display for Simulator Depth Perception
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Solution Overview
Problem
Current simulator technologies fail to provide true stereoscopic depth perception and have a large physical footprint, limiting situational awareness for pilots in training environments, especially when configured for two users.
Innovation Solution
A display system comprising a first display for a wide field of view and a second wearable display that uses cameras, filters, and a control unit to generate and display augmented reality images, allowing for stereoscopic depth perception and reducing the physical footprint by filtering the user's field of view with active or passive filters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If a wide field of view display is used to provide an immersive visual environment, then the field of view is improved, but true stereoscopic depth perception cannot be provided and the physical footprint becomes large
Solution Approach 1:
The wearable display device is integrated within or attached to the head-mounted structure, nesting the display system within the user's head space. This allows the display to be positioned close to the eyes without requiring external space, thereby providing a wide field of view while minimizing physical footprint.
Solution Approach 2:
The patent transitions from a traditional external display configuration to a wearable head-mounted configuration, effectively moving the display into a new spatial dimension relative to the user. This dimensional change enables the display to occupy minimal external space while maintaining immersive visual coverage through proximity to the user's eyes.
2Illumination intensity
If a wide field of view display is used to provide an immersive visual environment, then the field of view is improved, but true stereoscopic depth perception cannot be provided when configured for two users
Solution Approach 1:
The display system is segmented into separate wearable display devices for each user, with each device independently providing stereoscopic capability. This segmentation allows each user to receive dedicated stereoscopic images without interference, enabling true depth perception in multi-user configurations while maintaining wide field of view.
Solution Approach 2:
The patent applies different display qualities to different users simultaneously through the wearable devices. Each user receives customized stereoscopic content tailored to their individual viewing position and requirements, allowing both users to experience optimal stereoscopic depth perception and wide field of view without compromise.
3Area of stationary object
If filters are used to filter a portion of the user's field of view, then the physical footprint is reduced, but the system complexity increases with active or passive filters
Solution Approach 1:
Instead of using complex active filter systems, the patent employs passive optical filters that replicate the filtering function through simple optical materials. These filters passively block or attenuate specific wavelengths or directions of light without requiring power sources or complex control mechanisms, thereby reducing system complexity while achieving the desired field of view limitation.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system enhances situational awareness by providing stereoscopic augmented reality images to users, improving depth perception and reducing the physical space required for the display, enabling more immersive and effective training for pilots.
Implementation Method 1
a filter for filtering a portion of a field of view of the user
Implementation Method 2
at least one camera for capturing video images along a line of view of the user
Data Source
AI summary
A display system for a simulator comprising: a main display for displaying a simulated scene, the first display being positionable away from a user; a see-through display for displaying a portion of the simulated scene, the see-through display being wearable by the user; a filter for filtering a portion of a field of view of the user; and a control unit configured for: receiving environment images, the environment images comprising a first set of images of the simulated scene, a second set of images of the simulated scene and a third set of images of at least a portion of the simulated scene; displaying the first and second set of images on the first display; and displaying the third set of images on the see-through display.