Eye Tracking Peripheral With Gaze Calibration for Accessible Input
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Solution Overview
Problem
Existing computing devices lack effective methods for user interaction beyond physical input, such as keyboards and touchscreens, particularly for users who require alternative interaction methods.
Innovation Solution
An eye tracking system comprising a housing, an eye tracking device, and a controller that captures gaze data, generates a user calibration profile, and stores it in memory, enabling interaction through gaze tracking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If physical input methods (keyboard, mouse, touchscreen) are used for user interaction, then ease of operation is maintained for most users, but accessibility for users requiring alternative interaction methods deteriorates
Solution Approach 1:
The patent replaces mechanical input systems (keyboard, mouse, touchscreen) with an optical-based eye tracking system. The eye tracking device uses cameras and image sensors to detect eye movements and gaze direction, substituting the need for physical hand movements with non-intrusive optical detection. This allows users with mobility impairments to interact with computing devices through natural eye movements alone.
2Adaptability or versatility
If eye tracking functionality is provided as an external peripheral, then adaptability to different computing devices is improved, but device complexity increases
Solution Approach 1:
The eye tracking device is designed as a universal peripheral that can interface with multiple types of computing devices through standard communication protocols. The system includes adaptable mounting mechanisms and multiple connection interfaces that allow the same eye tracking device to work with desktop computers, laptops, tablets, and other computing platforms, eliminating the need for device-specific implementations.
3Ease of operation
If a standalone integrated computing device with eye tracking is created, then ease of operation for accessible users is improved, but device complexity and manufacturing cost increase
Solution Approach 1:
The patent integrates the eye tracking device, processing circuitry, and control software into a single unified computing device. The eye tracking camera module is embedded within the device housing, and the processing unit directly interfaces with the eye tracking sensor to provide real-time gaze-based control. This integration eliminates the need for separate external peripherals and creates a cohesive user experience where eye movements directly control device functions.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables users to interact with computing devices using eye gaze data as an input method, providing a versatile and accessible interaction solution.
Implementation Method 1
an eye tracking device configured to track a gaze of the user by capturing gaze data from the user... the eye tracking device may include at least one image sensor and at least one illuminator
Data Source
AI summary
The present disclosure is related to a peripheral containing an eye tracking device, a controller, and a battery. The peripheral may be able to receive a user device. When the user device is connected to the peripheral, the eye tracking device may transmit eye tracking data to the user device, and the controller may dynamically charge the user device, as well as power the eye tracking device.