Uninterruptible Video Splitter Ferrite Interference Suppression
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Solution Overview
Problem
Current cable TV signal splitters experience signal interruption during maintenance due to electromagnetic induction between the elastic beam connecting sheet and electronic components or wiring, affecting high-frequency signal transmission quality.
Innovation Solution
An uninterruptible video splitter design featuring a housing with a seat shell and cover shell, insulative elements, elastic beam terminals, conductive elements, and ferrite elements that maintain signal continuity by using ferrite elements to reduce resonant frequency and minimize electromagnetic interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an elastic beam connecting sheet is used to maintain signal transmission during repairs, then signal continuity is improved, but electromagnetic interference with electronic components increases
Solution Approach 1:
The patent introduces ferrite beads as intermediary components placed on the elastic beam connecting sheet. These ferrite beads act as a mediator that allows the elastic beam to maintain electrical connectivity while suppressing electromagnetic interference with surrounding electronic components, thus resolving the contradiction between signal continuity and electromagnetic interference
Solution Approach 2:
The patent changes the physical and electromagnetic parameters of the elastic beam connecting sheet by coating it with conductive material and adding ferrite beads. This parameter change transforms the elastic beam from a simple mechanical connector into a component with controlled electromagnetic properties that maintains connectivity while minimizing interference
2Reliability
If the elastic beam connecting sheet is used to bridge input and output ports, then signal transmission during maintenance is improved, but high-frequency signal quality deteriorates due to electromagnetic induction
Solution Approach 1:
Ferrite beads are introduced as intermediary components on the elastic beam connecting sheet to mediate between the need for electrical connectivity and the requirement for high-frequency signal quality. The ferrite beads suppress electromagnetic induction effects while allowing the elastic beam to maintain its bridging function
Solution Approach 2:
The elastic beam connecting sheet is constructed as a composite structure combining elastic material with conductive coating and ferrite bead elements. This composite material approach allows the single component to simultaneously provide mechanical elasticity, electrical conductivity, and electromagnetic interference suppression for high-frequency signals
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
Ensures uninterrupted signal transmission during maintenance by reducing electromagnetic interference and maintaining high-frequency signal quality through the use of ferrite elements, which mitigate the effects of the elastic beam terminals' resonant frequency.
Implementation Method 1
ferrite elements reduce the resonant frequency of the elastic beam terminals
Implementation Method 2
electromagnetic induction between the elastic beam connecting sheet and electronic components or wiring in the splitter affects the quality of high frequency signal transmission
Data Source
AI summary
A video splitter includes a housing. The housing has a seat shell and a cover shell. A pair of main signal ports is provided in the seat shell. At least part of the main signal ports is out of contact with the seat shell. A pair of pushing rods is provided in the housing. The seat shell has an insulative element, a pair of elastic beam terminals and a conductive element. The conductive element connects with the elastic beam terminals. Each of the elastic beam terminals is separately and movably arranged between one of the main signal ports and the seat shell. The seat shell has ferrite elements. A splitter board is disposed in the cover shell. The splitter board has a pair of first terminals correspondingly connecting with second terminals in the main signal ports. Splitting signal ports electrically connecting with the splitter board are provided outside the cover shell.