Wireless Display Dongle Offloads Screen Transmission Processing
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Solution Overview
Problem
Existing conference systems require the installation of special-purpose programs on user computing devices to transmit screen images to large-format touch screens, which is inconvenient and consumes device resources, and may raise security concerns due to the need for user permission.
Innovation Solution
A peripheral device, referred to as a dongle, uses existing USB Type-C ports and drivers to transmit screen images and audio signals without installing a special-purpose program on the user computing device, employing a hardware processor for compression and wireless transmission, and leveraging the DisplayPort mode to treat the dongle as an external display device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a special-purpose program is installed on the user computing device to transmit screen images, then the screen transmission function is achieved, but the device resources are consumed and security concerns arise
Solution Approach 1:
The patent introduces a wireless display adapter as an intermediary device between the user computing device and the wireless display device. The adapter contains the necessary processing and transmission components, allowing screen image transmission without installing programs on the user's computer. This mediator approach resolves the contradiction by moving the complexity from the user device to a separate peripheral device.
2Reliability
If a special-purpose program is installed on the user computing device, then screen transmission is enabled, but preparation time is increased
Solution Approach 1:
The wireless display adapter comes pre-configured with all necessary software and drivers built-in. The user simply needs to connect the adapter to their computer via USB and plug it into the wireless display device, eliminating the time-consuming program installation and configuration steps that would otherwise be required on the user's computing device.
3Ease of operation
If existing USB Type-C ports and drivers are used to transmit screen images, then program installation is eliminated, but hardware processing capability is required
Solution Approach 1:
The wireless display adapter serves as an intermediary that offloads the hardware processing requirements from the user's computing device. The adapter contains the hardware processor needed to handle DisplayPort mode communication and wireless transmission, allowing the user's computer to simply function as a display source without requiring additional processing capabilities.
Data Source
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AI summary
A communication device includes USB Type-C (USB-C) port to receive a media data presented at a user computing device, a signal converter circuit to convert the media data into a formatted media data, a hardware processor, communicatively coupled to the signal converter and the USB-C port, to compress, according to an encoding scheme, the formatted media data into a compressed media data stream, and a wireless transmission interface to transmit, using a wireless network, the compressed media data stream to a large-format display device for presentation of the media data.