Gaze Tracking Document Status Update

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Solution Overview

Problem

Existing methods for determining if a user has read a document, such as emails, are often inaccurate as they rely on manual inputs or visual changes, which do not reliably indicate actual reading or viewing.

Innovation Solution

Employing gaze tracking technology to determine when a user has fixated on a document for a sufficient period, allowing for automatic and accurate updating of document status from 'unread' to 'read'.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If manual inputs or visual changes are used to determine document reading status, then the system is simple to implement, but the accuracy of determining actual reading is poor

Engineering Contradiction:

Improveaccuracy of document reading status detectionVSAvoidcomplexity of gaze tracking system

Core Design Contradiction:

Measurement precisionVSDevice complexity

Solution Approach 1:

The patent replaces manual interaction mechanisms (clicking, scrolling) with an optical tracking system that uses eye gaze detection to automatically determine document reading status. The sensor system captures eye position data and processes it to update document status without requiring mechanical user input.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Measurement precision

If gaze tracking technology is implemented to accurately detect reading status, then measurement precision improves, but device complexity increases

Engineering Contradiction:

Improveaccuracy of reading status detectionVSAvoidcomplexity of sensor and processing system

Core Design Contradiction:

Measurement precisionVSDevice complexity

Solution Approach 1:

The patent introduces a sensor as an intermediary device that indirectly measures reading status by detecting eye gaze position and duration. Rather than directly measuring cognitive processing, the sensor captures observable physical indicators (eye position, fixation duration) that correlate with reading behavior, providing accurate detection without complex cognitive measurement systems.

Inventive Principle:

Principle #24Intermediary (Mediator)

3Productivity

If automatic status updating based on gaze duration is implemented, then productivity improves by reducing manual marking, but the system requires more complex automation logic

Engineering Contradiction:

Improveefficiency of document status updatingVSAvoidcomplexity of automatic status update logic

Core Design Contradiction:

ProductivityVSExtent of automation

Solution Approach 1:

The system enables documents to automatically update their own status based on detected gaze patterns. When the sensor detects that a user's gaze has been fixed on a document for a predetermined duration, the document status automatically changes from unread to read without requiring external intervention or complex centralized control logic.

Inventive Principle:

Principle #25Self-service

Data Source

PatentUS9829972B2Eye tracking for automatically updating document status

Publication Date: 2017.11.28 LENOVO SWITZERLAND INTERNATIONAL GMBH

AI summary

An embodiment provides a method, including: receiving data relating to a focus of user gaze; associating, using a processor, the focus of user gaze with at least one predetermined area within a document displayed in a display device; and responsive to the associating, automatically updating a document status based on the focus of user gaze. Other aspects are described and claimed.