Eye Gaze Tablet One-Handed Operation
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Solution Overview
Problem
Conventional tablet devices are inconvenient to operate with one hand due to limited finger reach, making it difficult to use the touch panel when the user is holding a strap, bag, or umbrella with the other hand.
Innovation Solution
A tablet device that includes a camera to detect eye gaze, a touch panel with defined areas for target and default operations, and a processor to determine the content of touch operations and display options in a reachable area, allowing one-handed operation by adjusting the display of menu images and buttons based on eye gaze and touch inputs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the touch panel is made larger to improve operability, then the user's finger reach is extended, but the device size increases and portability is reduced
Solution Approach 1:
The patent introduces a new dimension for interaction by detecting eye gaze direction and mapping it to touch panel coordinates. This allows the system to interpret operations in three-dimensional space (including gaze direction) and translate them to two-dimensional touch panel coordinates, effectively extending the user's reach without physically enlarging the device.
Solution Approach 2:
The patent uses eye gaze detection as an intermediary between the user's intention and the touch panel operation. The gaze detection unit captures the user's line of sight, and the control unit translates this into corresponding touch panel coordinates, serving as a mediator that bridges the gap between the user's limited finger reach and the distant touch targets.
2Ease of operation
If the touch panel is made larger to improve finger reach, then operability is enhanced, but the device becomes less portable
Solution Approach 1:
The system adds the dimension of gaze direction detection to the existing two-dimensional touch interface. By detecting the angle and direction of the user's gaze, the system can map eye position to touch panel coordinates, effectively extending operational reach without increasing physical device dimensions, thus maintaining portability while improving ease of operation.
Solution Approach 2:
Eye gaze detection serves as an intermediary mechanism that enables the user to operate distant touch panel elements without physically extending finger reach. The gaze detection unit captures directional information, and the control unit translates this into appropriate touch coordinates, allowing one-handed operation while keeping the device compact and portable.
3Device complexity
If conventional touch panel operation is used, then the device structure remains simple, but one-handed operation becomes difficult
Solution Approach 1:
The patent segments the operation process into distinct functional modules: a gaze detection unit that captures eye direction, a control unit that processes and translates gaze data to touch coordinates, and an execution unit that performs the touch operation. This segmentation allows the system to add sophisticated one-handed operation capability while maintaining a relatively simple overall device structure through modular design.
Solution Approach 2:
The control unit acts as an intermediary that processes gaze detection data and translates it into touch panel operations. This mediator component enables one-handed operation by bridging the gap between simple gaze input and complex touch panel interactions, adding operational capability without requiring fundamental structural changes to the device.
Data Source
AI summary
A tablet device 100 according to an embodiment specifies a target area on a touch panel in which an operation is performed and determines the content of the touch operation performed in the target area. For example, the tablet device specifies the target area on the basis of the eye gaze position detected by a eye gaze detecting unit. Then, the tablet device creates a menu image that includes an option associated with the content of the touch operation, displays the created menu image in the default area, and receives the touch operation.