Plug Connector Coding Mechanism for Crosstalk Reduction
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The use of a slot arrangement with multiple slots next to each other can lead to signal interference during data transmission in cables with stranded cores, particularly when the cores do not have a shield, causing deterioration of signal quality due to crosstalk from nearby electrical components.
Innovation Solution
A coding mechanism is implemented that assigns specific plug connectors with distinct lay lengths to particular slots, ensuring that each connector is plugged into the most suitable slot, minimizing crosstalk by maintaining a specific pitch length difference and spatial separation from interfering components, thereby enhancing signal quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If multiple slots are arranged next to each other in a slot arrangement, then space utilization is improved and connectors can be fixed close together, but signal interference and crosstalk between adjacent connectors deteriorates
Solution Approach 1:
The patent applies local quality by assigning different characteristics to different slots through the coding mechanism. Each slot is configured with specific geometric codes (protrusions, recesses, or keyways) that correspond to particular lay lengths, creating locally optimized environments for different signal types while maintaining compact overall arrangement.
Solution Approach 2:
The coding mechanism introduces asymmetry into the otherwise symmetric slot arrangement. By providing slots with different geometric configurations (different patterns of protrusions, recesses, or keyways), the patent breaks the symmetry to prevent incorrect connections and reduce crosstalk, while still maintaining space-efficient packing.
2Area of stationary object
If connectors with different lay lengths are plugged into adjacent slots, then space is saved, but crosstalk between connectors increases due to proximity
Solution Approach 1:
The patent changes the geometric parameters of the slots through the coding mechanism. By varying the pattern of protrusions, recesses, or keyways in different slots, the system creates distinct physical configurations that correspond to different lay lengths, enabling reliable identification and connection while maintaining compact spacing.
3Object-affected harmful factors
If a coding mechanism is implemented to assign specific connectors to specific slots, then signal interference is reduced, but device complexity increases
Solution Approach 1:
The coding mechanism enables self-service by allowing the connector and slot to automatically identify compatible pairs through their geometric codes. The protrusions, recesses, or keyways physically guide the connector into the correct slot orientation, eliminating the need for external coding or complex control systems while still achieving reliable signal isolation.
Data Source
Figure 1~2
Figure 3~4
Figure 5A~5Z
AI summary
The invention relates to a plug connector assembly (10) comprising at least one first and a second plug connector (22, 23) and a slot assembly (11) with at least one first and a second slot (12, 13) for inserting the plug connector (22, 23). Two or more conductors (32) which are stranded over a specified first lay length are connected to the first plug connector (22), and two or more conductors (33) which are stranded over a specified second lay length are connected to the second plug connector (23). The plug connector assembly comprises a coding mechanism which allows the first plug connector (22) to be plugged into the first slot but not into the second slot and which allows the second plug connector (23) to be plugged into the second slot but not into the first slot.