Display USB Switching Device for Single-Connector Voice Control
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Solution Overview
Problem
Conventional displays require additional connectors for voice control devices, increasing industrial design complexity and manufacturing costs.
Innovation Solution
A switching device utilizing a USB connector, multiplexer, USB hub, and controller to automatically detect and switch between USB and voice control devices, sharing a single connector.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If an additional connector is added for voice control device, then voice control function can be provided, but industrial design complexity and manufacturing cost increase
Solution Approach 1:
The USB connector is designed to serve multiple functions: it can connect both USB devices and voice control devices. The system uses a USB connector instead of separate connectors for different device types, allowing one connector to fulfill multiple roles and reducing overall system complexity
Solution Approach 2:
A switching device is introduced as an intermediary component between the USB connector and the display system. This switching device receives signals from the USB connector and automatically routes them to the appropriate processing path (USB device path or voice control device path), enabling multi-functionality without requiring multiple physical connectors
2Adaptability or versatility
If an additional connector is added for voice control device, then voice control function can be provided, but manufacturing cost increases
Solution Approach 1:
The USB connector is designed to serve multiple functions: it can connect both USB devices and voice control devices. The system uses a USB connector instead of separate connectors for different device types, allowing one connector to fulfill multiple roles and reducing overall system complexity
Solution Approach 2:
The functionality of separate USB connector and voice control connector is merged into a single USB connector. The switching device combines multiple signal paths (USB data, USB power, voice control) into one physical interface, reducing the number of components and assembly steps required
3Adaptability or versatility
If multiple connectors are used for different devices, then device compatibility is improved, but connector quantity increases
Solution Approach 1:
The USB connector is designed to serve multiple functions: it can connect both USB devices and voice control devices. The system uses a USB connector instead of separate connectors for different device types, allowing one connector to fulfill multiple roles and reducing overall system complexity
Solution Approach 2:
The switching device dynamically changes its configuration based on the type of device connected. It automatically detects whether a USB device or voice control device is connected and switches the signal routing accordingly, enabling a single static connector to serve multiple dynamic functions
Data Source
AI summary
A switching device and a related method of switching working modes are applied to a display. The switching device includes a universal serial bus (USB) connector, a multiplexer, a USB hub and a controller. The USB connector is connected to a USB device or a voice control device. The multiplexer is electrically connected to the USB connector. The USB hub is electrically connected to the multiplexer and used to output a USB detection signal. The controller is electrically connected to the multiplexer and the USB hub, and used to output a reminder command. The controller determines whether the multiplexer actuates a USB channel for the USB connector or actuates a voice control channel for the voice control device in accordance with a response from at least one of the USB detection signal and the reminder command.