Respirator Ocular Display Layout for Multi-Source Information Overload
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Solution Overview
Problem
The use of personal protective equipment (PPE) in conjunction with various devices leads to information overload, confusion, unnecessary head and eye movement, and disorientation due to the need for frequent gaze redirection to access critical information from multiple sources.
Innovation Solution
A display control unit (DCU) integrated with PPE, such as a full-face respirator, provides multiple displays configured to present information in a user's line of sight and out-of-sight areas, allowing immediate access to a wide range of data without clutter or overlap, using a combination of 'look at' and 'look through' displays.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple devices (thermal camera, oxygen sensor, navigation device) are used with PPE, then comprehensive environmental monitoring capability is improved, but information overload and user disorientation occur
Solution Approach 1:
The patent combines multiple display devices (thermal camera display, oxygen sensor display, navigation device display) into a single integrated display unit within the PPE system. This merging of previously separate information sources into one unified display interface eliminates information overload and user disorientation while maintaining comprehensive environmental monitoring capabilities.
2Loss of information
If multiple separate displays are used for different devices, then complete information access is improved, but unnecessary head and eye movement increases
Solution Approach 1:
The patent integrates thermal camera, oxygen sensor, and navigation device information into a single display located within the user's field of view. This eliminates the need for the user to redirect their gaze to multiple separate displays, reducing unnecessary head and eye movement while maintaining complete information access.
Solution Approach 2:
The patent positions the integrated display within the user's field of view (in the optical path), transitioning from a separate external display arrangement to an in-line display configuration. This spatial repositioning allows information access without requiring the user to move their head or eyes away from the primary viewing direction.
3Ease of operation
If a single integrated display is used, then user orientation is improved, but information clutter and overlap may occur
Solution Approach 1:
The patent segments the integrated display into distinct regions or zones, each dedicated to specific types of information (thermal imaging data, oxygen levels, navigation cues). This segmentation prevents information clutter and overlap by organizing different data streams into separate visual areas within the unified display interface.
Solution Approach 2:
The patent applies different display characteristics or visual styles to different regions of the integrated display, optimizing the presentation of each type of information. For example, thermal data may be displayed with specific color mappings, oxygen levels with numerical indicators, and navigation cues with directional symbols, allowing each information type to be clearly distinguished without clutter.
Data Source
AI summary
A display control unit for personal protective equipment is described. The display control unit includes processing circuitry and an ocular unit in communication with the processing circuit. The processing circuitry is configured to determine an image arrangement based on at least one factor, where the determined image arrangement includes at least one image to be displayed on an ocular region and at least one image configuration parameter. The ocular unit is configured to display the at least one image on the ocular region based at least in part on the determined image arrangement.