Electronic Device Noise Sensing for External Power Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The increasing number of electronic devices in various environments leads to excessive electric energy consumption, particularly due to devices operating in idle states, resulting in unnecessary standby power consumption.
Innovation Solution
An electronic device equipped with sensors and communication capabilities determines the operational state of external devices based on noise patterns, such as sounds and vibrations, and controls them to minimize power consumption by switching them to a power-off state when idle for extended periods.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If electronic devices operate in idle state to maintain readiness for user operation, then ease of operation is improved, but power consumption increases due to unnecessary standby power usage
Solution Approach 1:
The electronic device autonomously monitors its own operational state through noise sensing and automatically transitions to power-off mode when idle, eliminating the need for manual user intervention to reduce power consumption while maintaining ease of operation when needed
Solution Approach 2:
The system continuously monitors noise levels as feedback regarding device usage state, and uses this feedback to dynamically adjust power consumption by transitioning between idle and power-off states, resolving the contradiction between readiness and energy efficiency
2Loss of energy
If noise sensing is used to determine operational state, then power consumption can be minimized by accurate idle state detection, but device complexity increases due to additional sensors and processing
Solution Approach 1:
The noise sensor serves multiple functions: it detects operational state for power management, provides user interaction input, and monitors device status, thereby reducing the need for separate dedicated components and minimizing the increase in device complexity
Solution Approach 2:
The electronic device uses its existing processing capabilities to analyze noise patterns and make autonomous power management decisions, avoiding the need for complex external control systems and minimizing additional hardware requirements
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
This solution effectively reduces unnecessary power consumption by accurately identifying idle states and automatically switching devices to a power-off state, thereby minimizing standby power usage without user intervention.
Implementation Method 1
sensing noise generated by an operation of an external device
Data Source
Figure 1~2
Figure 3
Figure 4~5
AI summary
A method, performed by an electronic device, of controlling an external device is provided. The method includes sensing noise generated by an operation of the external device, determining, based on the sensed noise, whether the external device operates in an idle state, obtaining an amount of power consumed by the external device during operation when the external device operates in the idle state, and controlling the external device based on the obtained amount of power.