Privacy Glasses With Touch-Detection Frame for Secure Overlays

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Solution Overview

Problem

Conventional methods for securing sensitive information on portable information handling systems are inadequate in preventing unauthorized viewing, especially in insecure environments, and compliance with privacy regulations is often not fully met.

Innovation Solution

The system employs privacy glasses with a transmissive display integrated into the lens, which presents secure content as an overlay on the main display, and includes touch detection surfaces to manage interactions, ensuring secure content is only visible through the glasses, while allowing seamless transitions based on security context detection.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional privacy screen filters or display dimming measures are used, then security against third-party viewing is improved, but the effectiveness of privacy protection deteriorates because determined third parties can still make out sensitive information

Engineering Contradiction:
Improveprivacy protection effectivenessVSAvoidunauthorized viewing risk
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The display system is segmented into two distinct viewing paths: a main display for general content and an augmented reality (AR) overlay for sensitive information. The AR display presents secure content in a separate visual layer that is invisible to third parties without the AR glasses, effectively segmenting the information hierarchy and protecting sensitive data through spatial and optical separation.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

AR glasses serve as an intermediary device between the information handling system and the user's eyes. The glasses contain waveguides and optical elements that mediate the presentation of secure content, allowing authenticated users to view sensitive information through the AR overlay while preventing third-party observation of the augmented content.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Object-affected harmful factors

If secure content is presented only through AR glasses, then privacy protection is improved, but ease of operation deteriorates due to the need for separate interaction mechanisms

Engineering Contradiction:
Improveinformation exposure riskVSAvoiduser interaction convenience
Core Design Contradiction:
Object-affected harmful factorsVSEase of operation

Solution Approach 1:

The system merges the control interfaces of the main display and AR display into a unified touch-sensitive frame. The frame integrates touch detection surfaces that respond to user inputs for both the standard display and the augmented reality overlay, allowing seamless interaction with secure content without requiring separate control mechanisms or additional devices.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The touch-sensitive frame serves multiple functions: it acts as the border for the main display, provides structural support for the AR optical elements, and functions as a universal input device for both the main display and AR overlay content. This multi-functionality eliminates the need for separate interaction mechanisms and simplifies the user experience.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Ease of operation

If a unified touch interface is used for both main display and AR display, then ease of operation is improved, but device complexity increases due to integrated touch detection surfaces

Engineering Contradiction:
Improveinteraction managementVSAvoidframe structure complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The frame is designed as a universal structure that simultaneously serves as the physical border for the main display, the mounting structure for AR optical elements, and the substrate for integrated touch detection surfaces. This multi-functional design consolidates multiple components into a single structural element, reducing overall device complexity while maintaining unified interaction capabilities.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS20250306744A1Information handling system display privacy glasses with touch detection frame
Publication Date: 2025.10.02 DELL PROD LP
  • US20250306744A1 patent drawing
  • US20250306744A1 patent drawing
  • US20250306744A1 patent drawing

AI summary

An information handling system presents unsecure content at a display and secure content at privacy glasses worn by an end user overlapping the location where the secure content would be presented if a secure context allowed presentation at the display. A mouse cursor presented at the display supports interaction with both the unsecure content and the secure content through presentation at the display. The mouse cursor at the display is controllable by touch detection surfaces in the privacy glasses frame. Typed content is presented at the display when it inputs unsecure content and at the privacy glasses when it inputs secure content.