Narrow-Area Information Display With Gaze-Activated Menu Control
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Solution Overview
Problem
Existing information display devices with narrow display areas require physical switches for menu selection, making them complex and expensive.
Innovation Solution
An information display device equipped with a line-of-sight detection sensor and control unit that displays a predetermined menu when the user's line-of-sight moves from outside to inside the display area, eliminating the need for additional hardware configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a physical selection switch is mounted to display initial menu or change menu type, then the device can perform menu operations, but the device complexity and manufacturing cost increase
Solution Approach 1:
The patent replaces the mechanical selection switch with an optical detection system. The line-of-sight detection sensor detects the user's gaze direction, and the display control unit interprets gaze position and duration to trigger menu operations, substituting mechanical input with optical sensing and software-based control.
Solution Approach 2:
The system uses the user's natural line-of-sight behavior to operate the menu system without requiring additional physical controls. The gaze detection leverages the user's existing visual attention patterns to activate and navigate menus, making the system operate through the user's natural behavior rather than requiring separate control mechanisms.
2Ease of operation
If a physical selection switch is mounted to display initial menu or change menu type, then the device can perform menu operations, but the manufacturing cost increases
Solution Approach 1:
The patent replaces the mechanical selection switch with an optical detection system. The line-of-sight detection sensor detects the user's gaze direction, and the display control unit interprets gaze position and duration to trigger menu operations, substituting mechanical input with optical sensing and software-based control.
Solution Approach 2:
The system creates a virtual control interface through gaze detection rather than using physical controls. The line-of-sight position on the display creates a virtual selection mechanism that replicates the function of a physical switch but without the associated manufacturing costs and complexity.
3Device complexity
If line-of-sight detection is used for menu selection, then the device complexity is reduced, but the measurement precision requirement increases
Solution Approach 1:
The system uses excessive detection data by monitoring both line-of-sight position and gaze duration. Rather than relying solely on precise position detection, it incorporates temporal information (how long the gaze is maintained) to confirm selection intent, providing a more robust control mechanism that tolerates position detection variations.
Solution Approach 2:
The display control unit continuously monitors line-of-sight position and provides visual feedback through menu highlighting and selection states. This feedback loop allows the system to adjust and confirm selections based on ongoing gaze detection, improving accuracy through iterative verification rather than relying on a single precise measurement.
Data Source
AI summary
An information display device having a narrow display are, which enhances the operability and convenience of a user without requiring an additional hardware configuration, comprising: a display; a line-of-sight detection sensor configured to detect a line of sight of a user; a line-of-sight position detection unit configured to detect, as a line-of-sight position, an intersection between the line of sight detected by the line-of-sight detection sensor and the display; and a display control unit configured to control the display in accordance with the line-of-sight position detected by the line-of-sight position detection unit. The display control unit displays a predetermined menu in the first area, which is a display area within the display, when detecting an entering behavior in which the line-of-sight position moves from outside to inside the first area.