Mobile Device Input Mode Switching via Voice Sensor
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Solution Overview
Problem
Users face difficulties interacting with mobile devices, such as smartphones, while not holding them, especially in situations like driving or being blind, as traditional touch-based input methods are inconvenient or impossible.
Innovation Solution
A mobile device with a voice sensor and processing circuit that can switch between touch-based and voice-based modes automatically, allowing users to provide instructions through touch or voice depending on circumstances, enabling hands-free operation and accessibility for visually impaired users.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If touch-based input method is used, then input precision is improved, but ease of operation deteriorates when user cannot hold the device
Solution Approach 1:
The system dynamically switches between touch-based and voice-based input modes based on detected circumstances. The processing circuit determines whether to enable touch mode or voice mode by evaluating contextual factors such as device holding state, ensuring the appropriate input method is active for current usage conditions
Solution Approach 2:
The system automatically detects usage circumstances and switches input modes without requiring explicit user commands. The processing circuit monitors device state and environmental conditions, autonomously selecting the appropriate input mode (touch or voice) based on detected context, making the system self-adapter to usage scenarios
2Ease of operation
If voice-based input mode is enabled, then ease of operation is improved for hands-free use, but input precision deteriorates
Solution Approach 1:
The system dynamically adjusts the active input mode based on real-time circumstance detection. When voice input is selected, the processing circuit activates voice recognition processing; when touch input is selected, it activates touch signal processing, ensuring optimal input precision for the chosen mode while maintaining ease of operation benefits
3Adaptability or versatility
If automatic mode switching is implemented, then adaptability is improved, but device complexity increases
Solution Approach 1:
The system segments the input processing into distinct modes (touch mode and voice mode) with dedicated processing circuits for each. The processing circuit evaluates circumstances and routes to the appropriate processing path, managing complexity through functional segmentation while maintaining high adaptability to different usage scenarios
Solution Approach 2:
The processing circuit serves multiple functions: it detects usage circumstances, determines appropriate input mode, switches between modes, and processes inputs from both touch and voice sources. This multi-functionality is achieved through a single intelligent processing unit that handles all mode management tasks, avoiding the need for separate control systems for each function
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 seamless interaction with mobile devices in various situations, including driving or blindness, by automatically switching to voice mode for hands-free operation, enhancing usability and accessibility without requiring user intervention.
Implementation Method 1
a voice sensor that is configured to detect sound
Data Source
AI summary
A mobile device or system comprises a housing, a voice sensor that is configured to detect sound, a speaker, and a processing circuit configured to operate in both a first mode and a second mode. The processing circuit receives instructions from a user by detecting the user touching the device or an accessory of the device when in the first mode and receives instructions from the voice of the user through the voice sensor when in the second mode. When a predetermined requirement is met, the processing circuit is configured to switch from a first mode to a second mode without receiving specific instructions from the user to switch the mode at the time of switching.