Head-Mounted Display Security via Automatic Image Termination
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Solution Overview
Problem
Existing head-mounted display systems lack security features to prevent unauthorized access to displayed information when the device is removed from its owner, allowing others to visually recognize sensitive content.
Innovation Solution
A head-mounted display device equipped with a mounting portion, an image display unit, a state detection unit, and a display control unit that stops image display when the device is detached from the user, and a server that restricts access to information upon receiving unmount information, ensuring only authorized users can access confidential content.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the video signal is output to the head-mounted display upon detecting that the head-mounted display is mounted, then the viewing environment is provided, but security is compromised allowing unauthorized visual recognition
Solution Approach 1:
The system applies preliminary anti-action by proactively stopping the video signal output when the head-mounted display is detected to be unmounted. The state detection unit continuously monitors mounting status, and upon detecting unmounting, the display control unit immediately terminates image display before unauthorized viewing can occur. This preventive approach eliminates the security vulnerability while maintaining normal operation during authorized use.
2Duration of action of stationary object
If the image display unit continues displaying when unmounted, then continuous operation is maintained, but unauthorized access to sensitive information occurs
Solution Approach 1:
The system implements dynamics by making the display operation conditional rather than static. The display control unit dynamically adjusts the operation state of the image display unit based on real-time mounting status detected by the state detection unit. When mounted, the display operates continuously; when unmounted, it automatically stops. This dynamic response ensures both continuous operation during authorized use and immediate security protection when unauthorized access is detected.
3Object-affected harmful factors
If the display control unit stops image display upon detecting unmounting, then security is enhanced, but device complexity increases
Solution Approach 1:
The system applies segmentation by dividing the control functionality into distinct modular units: a state detection unit that monitors mounting status, and a display control unit that responds to state changes. This segmentation allows each unit to perform its specific function independently with simple logic, avoiding the need for a complex centralized control system. The state detection unit handles only detection, while the display control unit handles only display termination, making the overall system secure yet relatively simple.
Data Source
AI summary
A head-mounted display device includes a mounting portion configured to be attached to a head of a user, an image display unit disposed in the mounting portion and configured to display an image to be visually recognized by the user, a state detection unit configured to detect a first state in which the mounting portion is attached to the head and a second state in which the mounting portion is detached from the head, and a display control unit configured to cause the image display unit to stop displaying an image when the state detection unit detects the second state.