User Terminal Dummy Notification System for Phantom Vibration Syndrome
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Solution Overview
Problem
The frequent checking of user terminals due to concerns about notifications leads to increased usage time, resulting in physical and mental health disorders such as visual display terminal syndromes, with users often mistakenly interacting with the device after perceiving phantom notifications.
Innovation Solution
A user terminal that implements a dummy notification system, using a notification unit to produce sound or vibration alerts with lower intensity than regular notifications, without providing any notification details, to help users differentiate between actual and phantom alerts, thereby reducing unnecessary usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the notification unit outputs sound or vibration to alert the user, then the user is notified of incoming information, but the user may mistakenly perceive phantom notifications and check the terminal unnecessarily, increasing usage time
Solution Approach 1:
The notification is segmented into two distinct types: regular notifications with full sound/vibration intensity and details, and dummy notifications with reduced intensity and no details. This segmentation allows the system to provide different notification experiences for different purposes, reducing phantom perception while maintaining reliable communication of actual information.
Solution Approach 2:
The notification unit changes physical parameters (sound level and vibration intensity) based on notification type. Dummy notifications use lower sound levels and vibration intensities compared to regular notifications, creating a distinguishable pattern that helps users differentiate between real and phantom notifications, thereby reducing unnecessary terminal checking.
2Loss of information
If the user terminal provides detailed notification information, then the user is fully informed about the notification content, but the user cannot distinguish between real and phantom notifications, leading to increased terminal checking frequency
Solution Approach 1:
Different parts of the notification system provide different qualities of information. Regular notifications provide full information (sound, vibration, and display details), while dummy notifications provide only partial information (reduced sound/vibration without display details). This local quality differentiation enables users to distinguish notification types based on the presence or absence of specific information channels.
Solution Approach 2:
Dummy notifications apply partial action by providing only a subset of the full notification experience - specifically, reduced sound/vibration intensity without accompanying display information. This partial information delivery is sufficient to create awareness of a notification-like event while being distinguishable from full notifications, helping users learn to differentiate between real and phantom alerts.
3Illumination intensity
If the notification unit uses high sound level or vibration intensity, then the notification is clearly perceived by the user, but the user cannot differentiate between strong real notifications and weak phantom notifications
Solution Approach 1:
The system employs periodic dummy notifications at predetermined intervals with consistently lower intensity than regular notifications. This periodic pattern creates a learnable rhythm for users, allowing them to anticipate and recognize dummy notifications based on timing and intensity patterns, thereby improving perception accuracy without sacrificing the intensity of real notifications.
Data Source
AI summary
A user terminal (10) according to one embodiment includes: a notification unit (11) configured to perform a notification for the user using at least one of a sound or a vibration; and a control unit (14) configured to control operations of the notification unit (11). The control unit (14) causes the notification unit (11) to execute a dummy notification not including details of which the user is to be notified at a predetermined notification timing separately from a regular notification including details of which the user is to be notified. The notification unit (11) sets a sound level or a vibration intensity of the dummy notification to be lower than a sound level or a vibration intensity of the regular notification.