Binocular Display Rail Adjustment for Interpupillary Distance
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Solution Overview
Problem
Binocular display devices with fixed display assembly distances often fail to provide optimal viewing quality for individuals with interpupillary distances differing from the standard, leading to suboptimal viewing experiences.
Innovation Solution
A binocular display device featuring a rail system with adjustable display assemblies, allowing lateral adjustment of the display panels to match the user's interpupillary distance, utilizing a release/locking mechanism with detent positions for secure and precise alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If display assemblies are positioned at a fixed distance apart, then the device structure is simple and stable, but the viewing quality for individuals with varying interpupillary distances deteriorates
Solution Approach 1:
The patent implements a dynamic adjustment mechanism that allows the display assemblies to be repositioned laterally along rails. The display assemblies can be adjusted to different positions and locked at desired locations, transforming the fixed structure into a dynamic, adjustable one that adapts to various interpupillary distances while maintaining structural stability through the rail and locking system
2Adaptability or versatility
If display assemblies are made adjustable to suit different IPD, then adaptability improves, but device complexity increases
Solution Approach 1:
The adjustment mechanism is segmented into distinct functional components: rails for movement guidance, display assemblies with bearings for sliding, and locking mechanisms with detents for positioning. This segmentation allows each component to perform its specific function efficiently while keeping the overall system relatively simple and maintainable
Solution Approach 2:
The rail system acts as an intermediary between the fixed device structure and the movable display assemblies. It provides a simple guided path that enables adjustment without requiring complex mechanical linkages or actuators, reducing overall system complexity while achieving the desired adaptability
3Adaptability or versatility
If a release/locking system is added for adjustable positions, then adaptability improves, but device complexity increases
Solution Approach 1:
The locking mechanism is designed to be manually operated by the user without requiring external tools or complex actuation systems. The user can directly engage or disengage the locking mechanism to secure or adjust the display assemblies, making the system self-sufficient and avoiding additional complexity from motorized or automated locking systems
Data Source
AI summary
A binocular display device can include first and second display assemblies. A rail system can adjustably support the first and second display assemblies. The rail system can have a first rail slidably secured to a front region of the display assemblies, and second rail slidably secured to a rear region of the display assemblies. One rail can be at an upper region and the other rail can be at a lower region. Each display assembly can be slidably mounted to one rail along a bearing length L1 and to the other rail along a bearing length L2 that is less than the bearing length L1. A release/locking system can be included for releasing the display assemblies relative to the rail system to allow the position of the display assemblies relative to each other on the rail system to be adjusted, and for locking the display assemblies at a desired position.