Wireless Master-Slave Hands-Free Conference System
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Solution Overview
Problem
Conventional conference systems are typically hardwired and require complex initialization, limiting their flexibility and usability to only trained personnel.
Innovation Solution
A mobile conference system comprising a first mobile master hands-free unit and at least one second mobile slave hands-free unit, equipped with microphones, loudspeakers, a control unit, and wireless communication capabilities, allowing for bidirectional audio transmission and centralized control, including lighting management and a common mute function.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If conventional hardwired conference systems are used, then stable audio communication is achieved, but device complexity and initialization complexity increase
Solution Approach 1:
The patent replaces the mechanical hardwired connection system with a wireless communication system using transceiver units. This substitution eliminates the need for physical cable connections and complex initialization procedures while maintaining stable audio communication through established wireless protocols
Solution Approach 2:
The hands-free units automatically perform initialization and connection procedures without requiring trained personnel. The system self-configures when units are powered on, automatically establishing wireless connections and audio pathways, thereby reducing initialization complexity while ensuring reliable operation
2Ease of operation
If mobile hands-free units with wireless communication are used, then ease of operation and flexibility improve, but device complexity increases
Solution Approach 1:
The conference system is divided into independent mobile hands-free units, each with integrated wireless transceiver capabilities. This segmentation allows units to operate autonomously and be easily reconfigured by simply moving physical units, eliminating complex setup procedures while maintaining wireless communication functionality
Solution Approach 2:
Each hands-free unit is designed as a universal module capable of both transmitting and receiving audio signals wirelessly. The standardized multi-functional design simplifies operation and reduces the need for specialized configuration, as any unit can assume any role in the conference network
3Ease of operation
If centralized control of lighting units is implemented, then ease of operation improves, but device complexity increases
Solution Approach 1:
The first hands-free unit acts as an intermediary controller for the lighting units. It receives control inputs and manages lighting operations through wireless communication, providing centralized control functionality while keeping the overall system architecture simple and easy to operate
Data Source
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AI summary
The invention relates to a mobile conference system, which has a first mobile master hands-free unit (1100) and at least one second mobile slave hands-free unit (1200), which each have at least one microphone (1130, 1230) for recording audio signals, a loudspeaker (1140, 1240) for playing back audio signals to be played back, a battery unit (1010) for supplying energy, an operating unit (1110, 1210), at least one lighting unit (1121, 1221), and a first transmitting/receiving unit (1150, 1250) for bidirectional wireless communication between the first and the second mobile hands-free units (1100, 1200). The first hands-free unit (1100) has a second transmitting/receiving unit (1160) for wireless bidirectional audio communication with an external unit. The first hands-free unit (1100) is designed to wirelessly transmit audio signals that were received from the external unit by means of the second transmitting/receiving unit (1160) to the second mobile hands-free unit (1200) by means of the first transmitting/receiving unit (1150). The first hands-free unit (1100) is designed to mix audio signals that were received from the second mobile hands-free unit (1200) by means of the first transmitting/receiving unit (1150) with audio signals recorded by means of the at least one microphone (1130) of the first hands-free unit (1100) and to wirelessly transmit said audio signals to the external unit by means of the second transmitting/receiving unit (1160).