Mobile Terminal Noise-Adaptive Call Notification Control
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Solution Overview
Problem
Conventional mobile communication terminals do not automatically adjust incoming call notification modes based on ambient noise levels, leading to noise pollution in quiet areas and missed calls in noisy environments, and existing solutions like radio wave blocking devices are costly and inconvenient.
Innovation Solution
A mobile communication terminal equipped with a microphone, audio processor, noise signal level comparator, and controller that measures ambient noise and automatically switches between bell and vibration modes based on predefined reference noise levels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the incoming call notification mode is set to bell mode, then the user can hear incoming calls clearly, but it creates noise pollution in quiet areas
Solution Approach 1:
The patent applies dynamics by making the notification mode adjustable and adaptive rather than fixed. The system dynamically switches between bell mode and vibration mode based on the detected ambient noise level, allowing the notification method to adapt to different environmental conditions and eliminate noise pollution in quiet areas while maintaining reliable notification in noisy areas.
2Object-affected harmful factors
If the incoming call notification mode is set to vibration mode, then noise pollution is reduced, but the user may not notice urgent calls in noisy environments
Solution Approach 1:
The system dynamically adjusts the notification mode based on ambient noise detection. When the noise level exceeds a predetermined threshold, the system switches to vibration mode to reduce noise pollution; when the noise level is low, it switches to bell mode to ensure the user hears the notification clearly, thus maintaining reliability across different environments.
3Object-affected harmful factors
If a radio wave blocking device is installed, then noise pollution is prevented, but the cost of installation and maintenance increases
Solution Approach 1:
The patent applies self-service by enabling the mobile communication terminal to automatically detect ambient noise levels and autonomously adjust its notification mode without requiring external infrastructure or manual intervention. The terminal uses its built-in microphone and processing capabilities to monitor noise and switch between bell and vibration modes, eliminating the need for costly radio wave blocking devices while preventing noise pollution in quiet areas.
4Ease of operation
If manual mode switching is required, then the user can control notification behavior, but the convenience and time efficiency decrease
Solution Approach 1:
The system performs self-service by automatically detecting ambient noise levels and adjusting the notification mode without requiring user intervention. The terminal continuously monitors the environment through its microphone, compares noise levels against predetermined thresholds, and autonomously switches between bell and vibration modes, saving user time and effort while maintaining appropriate notification behavior.
Solution Approach 2:
The patent implements feedback by using the terminal's microphone to continuously detect ambient noise levels and feed this information back to the control unit. Based on this feedback, the system automatically adjusts the notification mode, creating a closed-loop control system that responds to environmental changes in real-time without requiring manual user input.
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 automatic adjustment of incoming call notification modes according to ambient noise levels, reducing user inconvenience and noise pollution by eliminating the need for manual mode changes and costly infrastructure.
Implementation Method 1
an audio processor for driving the microphone according to the automatic incoming call notification changing mode to measure a perceived noise signal value
Data Source
AI summary
A mobile communication terminal is disclosed that allows an incoming call notification mode to be automatically changed depending on an ambient noise signal level, thus eliminating the need to manually change the incoming call notification mode. A microphone capable of automatically changing an incoming call notification mode according to a noise signal level is provided and the terminal stores at least one reference noise signal level; drives the microphone according to a set automatic incoming call notification changing mode to measure a perceived noise signal value; compares the measured noise signal value with the stores reference noise signal level; and sets an incoming call notification mode of the mobile communication terminal to one of a bell mode and a vibration mode according to the result.