HDBaseT Data Transmission System with Inverted USB Modes
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Solution Overview
Problem
In HDBaseT equipment, the transmitter and receiver apparatuses operate independently, leading to an issue where they cannot be set in the same USB operation mode, preventing data transmission between USB devices connected to different apparatuses.
Innovation Solution
A data transmission system that connects a first external apparatus using a first transmission scheme (e.g., USB) and a second external apparatus using the same scheme, while using a different transmission scheme (e.g., HDBaseT) between the apparatuses, allowing data transmission when their operation modes differ.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the transmitter apparatus and receiver apparatus are set in the same USB operation mode, then each apparatus can operate independently with consistent configuration, but data cannot be transmitted between USB devices connected to different apparatuses
Solution Approach 1:
The patent applies inversion by making the transmitter and receiver apparatuses operate in opposite USB operation modes (one as USB HOST, the other as USB DEVICE). This allows data transmission between external USB devices connected to different apparatuses, as the HOST-DEVICE relationship enables proper data flow through the HDBaseT connection.
2Productivity
If the transmitter apparatus and receiver apparatus are set in different USB operation modes, then data can be transmitted between external USB devices, but the apparatuses cannot operate independently with consistent configuration
Solution Approach 1:
The patent resolves this contradiction by intentionally configuring the transmitter and receiver in opposite USB operation modes. The transmitter is set as USB HOST while the receiver is set as USB DEVICE (or vice versa), creating a functional HOST-DEVICE relationship that enables data transmission between external USB devices connected to different apparatuses.
3Adaptability or versatility
If USB HOST and USB DEVICE functions are integrated in the same apparatus, then the apparatus can connect to different USB devices flexibly, but it cannot establish proper USB communication with another apparatus using the same transmission scheme
Solution Approach 1:
The patent integrates both USB HOST and USB DEVICE functions within each apparatus but configures them in opposite modes for inter-apparatus communication. The transmitter apparatus operates as USB HOST while the receiver operates as USB DEVICE, or vice versa. This inverted configuration enables proper USB communication between apparatuses while maintaining the ability to connect to various USB devices.
Solution Approach 2:
Each apparatus is designed with universal USB functionality, supporting both USB HOST and USB DEVICE operations. This multi-functionality allows the apparatus to adapt to different connection scenarios - connecting to external USB devices in one mode and communicating with another apparatus in the opposite mode, thereby achieving both versatility and proper inter-apparatus communication.
Data Source
AI summary
A data transmission system includes a first apparatus that is connected to a first external apparatus using the first transmission scheme and a second apparatus that is connected to a second external apparatus using the first transmission scheme. The first apparatus is connected to the second apparatus using a second transmission scheme that is different from the first transmission scheme. When the operation mode of the first apparatus in the first transmission scheme and the operation mode of the second apparatus in the first transmission scheme are different, data in the first external apparatus or the second external apparatus is transmitted to the second external apparatus or the first external apparatus, respectively, via the first apparatus and the second apparatus.