Fence-Shaped Inductive Loop Layout for Touch Integration
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional electromagnetic-induction devices face challenges in integrating with touch devices due to the need for through holes, which are difficult to fabricate on substrates made of different materials, limiting the integration of multi-function input devices.
Innovation Solution
A new layout for inductive loops featuring a fence-shaped structure without through holes, comprising -shaped regions connected to switches, grounding lines, and signal ports, allowing for non-interlaced loop formation on substrates like glass or circuit boards, enabling integration with touch devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional interlaced layout for inductive loops is used, then the inductive loops can be distributed in X and Y directions to detect position, but through holes must be formed to prevent contact between loops, increasing manufacturing difficulty
Solution Approach 1:
The patent transitions from a two-dimensional planar layout to a three-dimensional stacked layout. Multiple inductive loops are arranged in different layers (first layer and second layer) with through holes allowing vertical passage. This dimensional change enables loops in different layers to interlace without contacting each other, eliminating the need for through holes to prevent contact while maintaining position detection capability.
Solution Approach 2:
The patent implements a nested structure where inductive loops from different layers are interlaced through through holes. The first inductive loop in the first layer and the second inductive loop in the second layer are positioned such that they pass through each other's plane without contact, creating a nested spatial arrangement that prevents interference while maintaining functionality.
2Adaptability or versatility
If through holes are formed to prevent contact between inductive loops, then the loops can be extended to other layers, but the fabrication process becomes complicated with more steps
Solution Approach 1:
The patent divides the inductive loop structure into separate segments located in different layers. The first inductive loop is positioned in the first layer and the second inductive loop is positioned in the second layer, with each layer's loop segment independently formed. This segmentation allows the loops to extend to other layers through through holes without requiring complex simultaneous fabrication processes.
3Adaptability or versatility
If electromagnetic-induction device is integrated with touch device, then multi-function input device is achieved, but through holes are difficult to fabricate on substrates made of different materials
Solution Approach 1:
The patent creates a universal substrate structure that can accommodate both electromagnetic-induction loops and touch device components. The through holes are formed in a manner that is compatible with various substrate materials (glass, circuit boards, flexible substrates), making the fabrication process universal across different material types and enabling integration with touch devices without material-specific manufacturing challenges.
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
This layout allows for the seamless integration of electromagnetic-induction systems with touch devices on a single substrate, eliminating the need for through holes and simplifying the fabrication process, thereby enhancing the functionality of input devices.
Implementation Method 1
inductive loops of the electromagnetic-induction system which can be integrated with another type of input system
Data Source
AI summary
The present invention relates to a new layout for inductive loops of the electromagnetic-induction system, and particularly relates to a new layout for inductive loops of the electromagnetic-induction system which can be integrated with another type of input system. The inductive loop structure of the layout for inductive loops of the electromagnetic-induction system comprises a plurality of -shaped regions, a plurality of switches, a plurality of grounding lines, a grounding switch, and a plurality of signal ports. The -shaped regions are connected with each other to form a fence-shaped inductive loop structure, but the -shaped regions are not interlaced with each other. By this way, the difficulties and the complication for layout for inductive loops of the electromagnetic-induction system are decreased. Therefore, it helps the layout for inductive loops of the electromagnetic-induction system to be integrated with another type of input system into one system.