Wireless Microphone Structure for Multi-Mic Host-Free Mixing
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Solution Overview
Problem
Conventional wireless microphones are limited to connecting only two devices due to the need for a main host for signal processing, which restricts their usage in scenarios requiring multiple microphones, often necessitating the use of wired microphones or alternating between devices, causing inconvenience and potential wire-related issues.
Innovation Solution
A wireless microphone structure that eliminates the need for a main host by incorporating a cartridge module, audio output switch, gain controller, audio amplifier, and sound mixer, allowing multiple microphones to connect directly to an amplifier via a network cable and wireless transmitter module, enabling simultaneous use of multiple devices without signal processing limitations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a main host is provided for signal processing, then audio signals can be received and amplified, but the number of wireless microphones is limited to two
Solution Approach 1:
The patent divides the signal processing function into each wireless microphone unit itself, eliminating the need for a separate main host. Each microphone contains its own audio amplifier and wireless transmitter, allowing independent operation and connection to the audio output device. This segmentation enables multiple microphones to work simultaneously without being limited by a single main host's capacity.
Solution Approach 2:
The patent extracts the main host function from the system and integrates it into each wireless microphone unit. By taking out the centralized signal processing requirement and distributing it across individual microphone units, the system achieves higher versatility in connecting multiple microphones while reducing overall system complexity.
2Adaptability or versatility
If more than two wireless microphones are provided, then using requirements are satisfied, but the conventional wireless microphone structure cannot support it
Solution Approach 1:
The patent makes each wireless microphone unit universal by equipping it with complete signal processing functionality including audio amplifier and wireless transmitter. This multi-functionality at the unit level allows any number of microphones to connect simultaneously to the audio output device, satisfying various using requirements without compromising signal processing capacity.
3Adaptability or versatility
If additional wired microphone is provided, then using requirements are met, but the wire stumbles users
Solution Approach 1:
The patent replaces the mechanical wire connection with a wireless transmission system. Each wireless microphone unit contains a wireless transmitter that sends audio signals wirelessly to the audio output device, eliminating the need for physical wires and thus avoiding the inconvenience of wires stumbling users while maintaining full functionality.
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 allows for the simultaneous use of multiple wireless microphones without the limitations of the main host's signal receiving and conversion capacity, enhancing usability and eliminating the need for wired connections, thereby improving convenience and reducing interference during use.
Implementation Method 1
the sound is transmitted by an antenna via the wireless transmitter module
Implementation Method 2
The wireless audio signals are acquired by an amplifier through a wireless receiver module
Data Source
AI summary
A wireless microphone structure contains: a cartridge module, an audio output switch, a gain controller, an audio amplifier, and a sound mixer, after the cartridge module receiving sounds, the sounds are outputted from the sound mixer via the gain controller and an audio amplifier so that a power source supplies power via a regulator circuit, characterized in that: the sound mixer has an input port and an output port of a network cable so that an input port and an output port of each of at least one wireless microphone are connected together via the network cable.