Dual Axial Cable With Interlocking Insulators For Signal Integrity
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Solution Overview
Problem
Conventional dual-axial cables experience performance degradation at higher signal speeds due to parasitic effects and misalignment of drain conductors, which affects signal integrity and cannot support next-generation communication speeds effectively.
Innovation Solution
A dual axial cable design featuring adjacent and substantially parallel wires with lengthwise drain alignment grooves and an interlocking structure that maintains planar alignment, allowing for reduced drain conductor size without compromising electrical performance, and a method of manufacturing that ensures consistent positioning of drain conductors during cable assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If conventional dual-axial cables are used, then current signal transfer speeds are supported, but signal integrity deteriorates at higher speeds due to parasitic effects and drain conductor misalignment
Solution Approach 1:
The patent applies preliminary action by pre-forming alignment grooves in the insulators before cable assembly. These grooves ensure that drain conductors are automatically positioned in correct alignment during the assembly process, preventing misalignment issues that would compromise signal integrity at high speeds. The interlocking structure is also pre-designed to maintain planar alignment of the wires throughout assembly.
Solution Approach 2:
The patent replaces traditional mechanical alignment methods with an interlocking structure system. Instead of relying on manual positioning or simple mechanical supports, the invention uses an integrated interlocking mechanism that mechanically constrains the wires to maintain precise planar alignment, thereby reducing parasitic effects and maintaining signal integrity at higher transfer speeds.
2Device complexity
If drain conductor size is reduced, then cable complexity is decreased, but positioning precision of drain conductors becomes more difficult to maintain
Solution Approach 1:
The patent introduces alignment grooves as intermediary structures within the insulators. These grooves serve as mediators that guide and position the drain conductors during assembly, ensuring precise positioning even when the conductors are smaller in size. The grooves act as a intermediary mechanism that bridges the gap between reduced conductor size and the need for precise positioning.
Solution Approach 2:
The alignment grooves are pre-formed in the insulators before the drain conductors are installed. This preliminary action ensures that when smaller drain conductors are used, they will automatically be positioned correctly as they are inserted into the pre-formed grooves, maintaining manufacturing precision without increasing overall cable complexity.
3Ease of manufacture
If wires are allowed to move relative to each other, then ease of assembly is improved, but planar alignment of drain conductors is compromised
Solution Approach 1:
The patent applies dynamics by designing an interlocking structure that allows controlled movement during assembly but maintains rigid planar alignment once assembled. The structure transitions from a flexible state during assembly to a fixed state in operation, enabling ease of assembly while ensuring precise alignment is maintained during use.
Solution Approach 2:
The interlocking structure is pre-designed with features that guide wire positioning during assembly. This preliminary design ensures that as wires are assembled, they naturally settle into the correct planar alignment position, making the assembly process easier while still achieving the required precision without requiring post-assembly adjustments.
Data Source
AI summary
A dual axial cable is provided with adjacent and substantially parallel first and second wires. Each wire is formed from electrical conductor surrounded by a respective first and second electrical insulator having lengthwise drain alignment groove on outward side and having respective first and second inward sides of interlocking structure. First and second inward sides of interlocking structure of first and second electrical insulators mutually engage to prevent relative transverse displacement of first and second wires. The interlocking structure maintains the planar alignment of lengthwise drain alignment grooves and electrical conductors of first and second wires. First and second drain conductors are received respectively in lengthwise drain alignment grooves of first and second electrical insulators and run adjacent and substantially parallel to first and second electrical conductors. Drain conductors are maintained in parallel alignment to electrical conductors to provide shielding benefits.