Speech Notification for Handheld Devices in Holster
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Solution Overview
Problem
Handheld electronic devices often fail to effectively notify users of important events, such as incoming messages or calendar reminders, especially when the user is engaged in activities like driving or is not directly interacting with the device, leading to potential distractions and safety hazards.
Innovation Solution
The implementation of a speech-based notification system on handheld electronic devices that detects when traditional notifications (like flashing LEDs or display prompts) may not be discernible by the user, triggering an audible speech message via the speaker as an alternative or additional alert, especially when the device is in a holster, charging, or stationary for a period.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If visual notifications (LED flash, display prompts) are used to alert users of incoming messages or reminders, then the notification method is simple and energy-efficient, but the user may not discern the notification when engaged in activities like driving or when the device is in a holster
Solution Approach 1:
The notification system dynamically adapts its output modality based on real-time detection of user context. When the device detects it is in a holster, being carried, or the user is engaged in another task, it automatically switches from visual notifications to speech-based notifications through the speaker, ensuring reliable delivery without requiring user visual attention
Solution Approach 2:
The speech synthesis function acts as an intermediary that converts notification content into audible speech output. This mediator translates the original visual notification intent into an alternative sensory modality (auditory) that can be perceived without visual engagement, resolving the contradiction between notification reliability and ease of operation
2Reliability
If the device provides speech-based notifications via speaker, then users can be alerted without visual engagement, but the device complexity and energy consumption increase
Solution Approach 1:
The device leverages its existing speaker hardware, originally designed for other functions, to deliver speech-based notifications. By making the notification system multi-modal (supporting both visual and auditory output) while reusing existing components, the patent adds notification effectiveness without proportionally increasing device complexity
Solution Approach 2:
The system changes the output parameter modality from visual to auditory based on contextual parameters. The notification system monitors device state parameters (holster detection, carrying status, user task engagement) and adjusts the notification output parameter accordingly, switching between visual and speech-based modes to optimize effectiveness
3Loss of information
If traditional notifications are used when the device is stationary or in a holster, then the notification method remains simple, but the notification is not discernible by the user
Solution Approach 1:
The device performs preliminary detection of its contextual state (holster presence, carrying status, user engagement) before issuing a notification. Based on this preliminary assessment, the system proactively selects the appropriate notification modality, ensuring the notification is delivered in a form the user can actually perceive without requiring subsequent user discovery or disengagement from current tasks
Data Source
Figure 1
Figure 2~3
AI summary
A method for generating a speech-based notification on a handheld electronic device comprises detecting a triggering event (31), determining that a non-speech based notification of the triggering event may not be discernible (32), and providing a speech-based notification of the triggering event (33). An improved handheld electronic device (1) implementing the method is also provided.