Conductive Cover Member Shielding High-Speed Signal Noise
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Solution Overview
Problem
High-speed signal transmission technologies, such as USB 3.0, generate electromagnetic noise that interferes with wireless communication devices, leading to poor transmission quality and connectivity issues.
Innovation Solution
A noise suppression assembly featuring a conductive cover member with lateral plates and a ground contact system that shields and releases electromagnetic noise, preventing interference and maintaining wireless transmission quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If high-speed signal transmission is implemented, then transmission speed increases, but electromagnetic noise interference increases
Solution Approach 1:
The patent converts the harmful electromagnetic noise generated by high-speed signal transmission into a manageable phenomenon by providing a dedicated grounding path. The conductive cover member and ground contact system channel the electromagnetic interference away from sensitive wireless communication circuits, transforming the harmful EMI into a controlled electrical current that is safely dissipated through the grounding mechanism.
2Reliability
If high-speed transmission interface is used, then data transmission quality improves, but wireless communication quality deteriorates
Solution Approach 1:
The patent extracts the electromagnetic noise problem from the high-speed transmission system by separating the noise generation source (connector and wiring area) from the wireless communication circuits. The conductive cover member physically isolates the noisy area and the ground contact system extracts the electromagnetic interference, removing it from the overall system environment and preventing it from affecting wireless communications.
3Object-generated harmful factors
If electromagnetic shielding is added, then electromagnetic noise suppression improves, but device complexity increases
Solution Approach 1:
The conductive cover member serves multiple functions simultaneously: it acts as an electromagnetic shield to block noise, provides a grounding path through the ground contact, and structurally covers the wiring area. This multi-functionality reduces the need for separate components, thereby minimizing the increase in device complexity while achieving effective noise suppression.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Effectively suppresses electromagnetic noise, enhancing the transmission quality of wireless devices by creating a shielded space around high-speed signal transmission circuits and guiding noise away from the substrate, thereby improving connectivity and reducing signal delay and disconnection.
Implementation Method 1
The conductive cover member has a cover plate and at least one lateral plate. The at least one lateral plate is connected to the cover plate for forming a shielded space, while the at least one lateral plate is electrically connected to and in contact with the at least one ground contact, so that both the at least one electrical contact inside the wiring area and the transmission circuit are covered and shielded by the conductive cover member in the shield space.
Implementation Method 2
The at least one lateral plate is electrically connected to and in contact with the at least one ground contact, so that both the at least one electrical contact inside the wiring area and the transmission circuit are covered and shielded by the conductive cover member in the shield space.
Data Source
AI summary
An electronic device includes a circuit board, a connector and a noise suppression assembly. The circuit board includes a substrate having a surface layer. The connector is disposed on the circuit board and has at least one electrical pin. The noise suppression assembly includes a wiring area located on the surface layer and adjacent to the connector and a conductive cover member. The wiring area includes at least one electrical contact, a transmission circuit and at least one ground contact, the electrical contact is used for being in electrical contact with the electrical pin of the connector. The transmission circuit is electrically connected to the electrical contact. The ground contact is located around the wiring area. The conductive cover member has a cover plate and at least one lateral plate. The lateral plate is connected to the cover plate for forming a shielded space.