Secondary Display Rendering for Privacy Protection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing methods, such as polarized privacy screens, are inadequate in preventing unauthorized individuals from viewing confidential content, as they do not effectively block views from angles other than directly in front of the display, leaving sensitive information vulnerable to shoulder surfing.
Innovation Solution
A networked environment where a laptop computer and an optical head-mounted or wearable display device work together, with a management component that checks compliance rules to ensure restricted content is only rendered on the secondary display if the primary device is outside a secured area, thereby preventing unauthorized access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a polarized privacy screen is mounted over the display, then viewing from angles other than directly in front is blocked, but viewing from shoulder angles remains possible
Solution Approach 1:
The patent introduces a secondary display device (such as a smartphone or tablet) as an intermediary to receive and display the content that would otherwise be shown on the primary display. This mediator allows the user to view confidential information on a device they control while preventing unauthorized viewing on the primary device's display, effectively transferring the display function to a more secure platform.
Solution Approach 2:
The patent segments the display function by separating the primary display (which may be vulnerable to shoulder surfing) from the actual content rendering. The content is divided between the primary device (which handles processing) and the secondary display device (which handles secure rendering), allowing the user to view information privately on the secondary device while maintaining functionality on the primary device.
2Ease of operation
If restricted content is rendered on the primary display, then accessibility is high, but unauthorized viewing risk increases
Solution Approach 1:
The secondary display device acts as an intermediary that receives content from the primary device and displays it in a controlled manner. This allows the content to remain accessible to the authorized user through the secondary device while preventing unauthorized viewing on the primary display, effectively decoupling accessibility from vulnerability.
Solution Approach 2:
The patent moves the content display from the two-dimensional primary display screen to a different spatial dimension by using a separate secondary display device. This dimensional shift allows the user to view content privately on their personal device while the primary device can remain in a location where unauthorized viewing is prevented, adding spatial separation to the security model.
Data Source
AI summary
A system includes a computing device and a storage device storing computer instructions that are executable by the computing device. The computer instructions cause the computing device to detect a request to render content in a first display of a primary user device. The computer instructions further cause the computing device to determine whether the primary user device satisfies a compliance rule indicating whether the first display of the primary user device is authorized to render the content. In response to determining that the primary user device fails to satisfy the compliance rule, the computer instructions cause the computing device to prevent the content from being rendered in the first display of the primary user device and cause the content to be rendered in a second display of a secondary user device.