Wireless Multimedia Dongle Cross-Platform Compatibility
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Solution Overview
Problem
Current dongles lack efficient methods for wireless multimedia data transfer between devices, particularly in cross-platform compatibility and power management, limiting their functionality and ease of use.
Innovation Solution
The development of wireless multimedia dongles with processors configured to operate in both transmitter and receiver modes, using a wireless transceiver and USB connector to transmit and receive multimedia data, and presenting themselves as multiple device classes to accommodate different operating systems, while also incorporating power-saving techniques to operate without external adapters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a dongle is designed to work with a specific operating system, then it can achieve optimized performance for that OS, but it loses compatibility with other operating systems
Solution Approach 1:
The dongle is designed with a universal architecture that presents multiple USB device classes (ethernet device class and HID device class) simultaneously, enabling it to function across different operating systems without requiring OS-specific customization. The same hardware and firmware serve multiple functions and are compatible with multiple OS platforms.
2Adaptability or versatility
If a dongle uses multiple USB device classes for different functions, then it can provide versatile functionality, but it increases the complexity of device enumeration and driver installation
Solution Approach 1:
The dongle pre-configures and presents multiple USB device classes (ethernet device class and HID device class) during the enumeration phase, before any data transfer occurs. This preliminary configuration allows the host computer to automatically recognize and install appropriate drivers without user intervention, as the device classes are already defined and compatible with standard OS driver repositories.
3Adaptability or versatility
If a dongle operates in both transmitter and receiver modes, then it can enable peer-to-peer wireless multimedia transfer, but it requires dual-mode functionality that increases device complexity
Solution Approach 1:
The dongle merges transmitter and receiver functionalities into a single device by incorporating a bidirectional wireless transceiver and a processor that can dynamically switch between transmission and reception modes. The same hardware components (wireless transceiver, processor, USB interface) serve both functions, eliminating the need for separate transmitter and receiver dongles.
4Ease of operation
If a dongle uses a wireless transceiver for multimedia data transfer, then it enables wireless connectivity, but it increases power consumption requiring external power adapters
Solution Approach 1:
The dongle is designed to draw power directly from the host computer's USB port during operation. The USB interface provides both data communication and power supply, eliminating the need for external power adapters. The processor and wireless transceiver are configured to operate within the power constraints provided by the USB connection, managing their own power requirements through efficient duty cycling and low-power modes.
Data Source
AI summary
Disclosed are techniques pertaining to wireless dongles that can wirelessly transfer multimedia data (e.g., video and/or audio) between two computer devices. The computer devices can include a source (e.g., a laptop or tablet computer) and a sink (e.g., a television set or projector). The techniques improve the usability and flexibility of such dongles, allowing them to operate with a wide variety of devices.