Mobile Terminal Tap Pattern Voice Recognition
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Solution Overview
Problem
Current mobile terminals lack the ability to efficiently control functions and execute voice recognition without activating the display unit, limiting user interaction in deactivated states.
Innovation Solution
A mobile terminal equipped with a sensing unit to detect taps on the display unit, allowing voice recognition functions to be executed when a predefined tap pattern is recognized, even in a deactivated state, and outputting notifications through visual, acoustic, or tactile methods.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the display unit is activated to enable user interaction and function execution, then user interaction capability is improved, but power consumption increases
Solution Approach 1:
The sensing unit detects tap patterns on the deactivated display unit before the display is activated. When a predefined tap pattern is recognized, the system prepares to execute voice recognition functions, allowing user interaction to be initiated without immediately activating the power-intensive display unit.
Solution Approach 2:
The sensing unit acts as an intermediary between the user and the system when the display is deactivated. It detects tap gestures and triggers voice recognition functions without requiring display activation, serving as a low-power interface mediator that enables user interaction while maintaining display deactivation.
2Use of energy by moving object
If the display unit remains deactivated to reduce power consumption, then power efficiency is improved, but user interaction capability deteriorates
Solution Approach 1:
The patent replaces the traditional visual display interface (mechanical/optical system) with a gesture-based sensing interface. The sensing unit detects mechanical tap gestures on the display surface, enabling user interaction through tactile input rather than requiring visual display activation, thus maintaining power efficiency while improving interaction capability.
Solution Approach 2:
The sensing unit serves multiple functions: it detects both regular touch inputs and specific tap patterns even when the display is deactivated. This multi-functionality allows the same component to enable both power-saving mode and user interaction, eliminating the need to choose between power efficiency and interaction capability.
3Use of energy by moving object
If voice recognition functions are executed without display activation, then power consumption is reduced, but system complexity increases due to additional sensing and pattern recognition requirements
Solution Approach 1:
The patent extracts the tap pattern detection functionality from the main processing system and implements it in the sensing unit. By separating the gesture recognition function from the central processor, the system can detect predefined tap patterns and trigger voice recognition without requiring full system activation, reducing power consumption while managing complexity through functional separation.
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 user interaction and function execution without display activation, enhancing convenience and reducing power consumption by allowing voice recognition and control through tap patterns in deactivated states.
Implementation Method 1
a mechanical vibration sensor configured to sense vibrations having a magnitude equal to or larger than a threshold and generate an electrical signal
Data Source
Figure 1A
Figure 1B~1C
Figure 2
AI summary
A mobile terminal including a wireless communication unit configured to provide wireless communication; a display unit; a sensing unit configured to sense a plurality of taps applied to the display unit; and a controller configured to control the display unit to be in a deactivated state, receive a plurality of taps applied to the display unit in the deactivated state, and execute a voice recognition function while maintaining the display unit in the deactivated state, when a pattern formed by the plurality of taps matches a preset pattern.