Full-Duplex Entertainment Control System with Bypass Redundancy
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Solution Overview
Problem
Current entertainment installation control systems, such as DMX and Ethernet-based solutions, face challenges with complex setup, limited channel capacity, lack of redundancy, and difficulty in monitoring and troubleshooting, especially in large-scale professional installations like festivals and concerts.
Innovation Solution
A system with full-duplex communication units, a central management unit, and a bypass component that allows for redundant data transfer and monitoring, enabling straightforward setup, configuration, and real-time network monitoring, eliminating the need for multiple universes and reducing the complexity of cabling and fault detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If DMX512 protocol with RS-485 interface is used for data communication, then half-duplex communication is achieved, but communication efficiency and speed are limited
Solution Approach 1:
The patent replaces the traditional DMX512 protocol with RS-485 interface (half-duplex) with Ethernet technology (full-duplex), substituting a mechanical/electrical communication system with a more advanced network system that provides higher speed and full-duplex capability
Solution Approach 2:
The patent changes the communication mode from half-duplex to full-duplex, and from DMX512 protocol to Ethernet protocol, fundamentally altering the communication parameters to achieve higher speed and efficiency
2Quantity of substance
If multiple DMX universes are used to overcome 512 channel limit, then channel capacity is increased, but setup complexity and cabling complexity increase substantially
Solution Approach 1:
The patent uses Ethernet technology which provides universal communication capability without the 512-channel limitation of DMX512, allowing a single network infrastructure to handle unlimited channels across multiple devices simultaneously
Solution Approach 2:
The patent merges multiple DMX universes into a single Ethernet network, combining what were previously separate communication channels into one unified full-duplex network infrastructure
3Quantity of substance
If DMX signal is conveyed over Ethernet sequentially, then channel capacity exceeds 512, but residence time accumulates and causes synchronization problems
Solution Approach 1:
The patent replaces sequential single-duplex signal transmission with parallel full-duplex Ethernet communication, substituting a time-division multiplexed system with a spatially parallel system that eliminates cumulative residence time
4Device complexity
If devices are connected in daisy-chain fashion, then cabling is simplified, but fault detection becomes difficult and control is disrupted by power interruptions
Solution Approach 1:
The patent implements bidirectional communication where devices can send feedback messages to the controller, enabling real-time monitoring and fault detection while maintaining daisy-chain cabling simplicity
Solution Approach 2:
The patent uses Ethernet switches as intermediary devices that enable full-duplex communication and provide intelligent routing, acting as mediators between the controller and devices to maintain reliability while preserving simple cabling
5Ease of operation
If patching process is used to assign DMX addresses, then device control is established, but configuration time and labor increase significantly
Solution Approach 1:
The patent enables devices to self-configure using their MAC addresses as unique identifiers, eliminating the manual patching process and allowing devices to automatically join the network without time-consuming configuration
Solution Approach 2:
The patent uses the device's MAC address (a unique identifier already present in the device) as a copy of the identification system, replacing the need for manual DMX address assignment and patching documentation
Data Source
AI summary
A system for controlling an entertainment installation comprising one or more devices, wherein the system comprises: for each of the devices, a control unit; for each of the devices, a communication unit comprising a first communication port, a second communication port, a switch component, and a bypass component; one or more data connections suitable for full-duplex communication; a central management unit comprising a monitoring module suitable for receiving monitoring messages from the devices.