Touch Volume Control for Remote Speaker Microphone Muting
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Solution Overview
Problem
Remote speaker microphones often produce unwanted audio that interferes with public-address systems, requiring users to manually mute the device, which can be inconvenient and challenging in urgent situations.
Innovation Solution
A remote speaker microphone with a touch sensor that allows users to control the volume level of the speaker from a touch input, providing discrete volume levels and a visual indicator for status, enabling quick and convenient muting without needing to locate and operate mechanical switches.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a mechanical switch is used for volume control, then the device can be operated manually, but the operation becomes inconvenient and time-consuming in urgent situations
Solution Approach 1:
The patent replaces the mechanical switch with a touch sensor that detects capacitive changes when touched. This substitution eliminates the need for mechanical moving parts and provides instant response to user input, significantly reducing the time required to control volume and improving ease of operation during urgent situations.
Solution Approach 2:
The touch sensor leverages the user's body capacitance as part of the sensing mechanism. When the user touches the sensor, their body completes the capacitive circuit, allowing the sensor to detect the touch without requiring additional components or complex actuation mechanisms. This self-service approach simplifies the control interface.
2Object-affected harmful factors
If the speaker volume is reduced to mute unwanted audio, then interference with public-address systems is minimized, but the user can no longer hear the audio feedback
Solution Approach 1:
The patent implements dynamic volume control through the touch sensor, allowing the speaker volume to be adjusted in real-time based on user input. The system can switch between different volume states (including muted and audible states) instantly, enabling the user to mute the speaker when interfering with public-address systems and then quickly restore audio feedback when needed.
Solution Approach 2:
The touch sensor controls changes in the electrical parameters of the speaker circuit, specifically the volume level. By detecting touch input, the system modifies the audio signal parameters to either mute or restore the speaker output, allowing flexible control over audio interference while maintaining the ability to provide feedback to the user.
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 users to easily mute the speaker with a touch input, reducing interference and improving usability in situations where quick volume control is necessary, such as for emergency workers or tour operators.
Implementation Method 1
a touch sensor configured to, in response to receiving touch input, control a volume level of the speaker
Data Source
AI summary
A remote speaker microphone with touch volume control is provided. The remote speaker microphone includes a housing; a microphone; a speaker; and an interface configured to connect the speaker and the microphone. The remote speaker microphone further includes a touch sensor configured to, in response to receiving touch input, control a volume level of the speaker from a first volume level to a lower volume level, the first volume level being one of a plurality of discrete volume levels.