Orthogonal Winding Antenna Component for 3D Signal Reception
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Solution Overview
Problem
Existing antenna components for passive entry and engine starting systems face challenges in receiving signals from three spatial directions while maintaining mechanical robustness, electrical integrity, and cost-effectiveness, with a need for improved sensitivity and Q factor.
Innovation Solution
A magnetic core with orthogonal windings and a high-density ferrite material, produced using an injection method, which allows for robust construction and efficient signal reception in all three dimensions without requiring separate antennas for each direction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If three separate antennas are provided for each spatial direction, then signal reception in all three spatial directions is achieved, but device complexity and cost increase
Solution Approach 1:
The patent combines three separate antenna windings into a single integrated antenna component with a common magnetic core. Three electrical conductors are wound orthogonally around the same magnetic core, allowing the component to receive signals from all three spatial directions while occupying the space of only one antenna, thereby reducing device complexity and cost.
2Reliability
If high sensitivity and large Q factor are achieved, then signal reception performance improves, but manufacturing complexity increases
Solution Approach 1:
The patent uses high-density ferrite material with specific magnetic properties (high permeability and saturation flux density) to achieve high sensitivity and large Q factor. The orthogonal winding configuration around the magnetic core optimizes the magnetic coupling and signal reception characteristics, while the injection molding process enables precise control of geometric parameters for consistent manufacturing performance.
3Strength
If mechanical robustness is improved, then reliability under mechanical stress increases, but electrical contacting integrity may deteriorate
Solution Approach 1:
The patent embeds the magnetic core within a protective housing structure that provides mechanical robustness while preserving electrical contacting integrity. The orthogonal windings are nested around the magnetic core in a compact configuration, and the entire assembly is protected by an outer housing that shields against mechanical stress without interfering with electrical connections.
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
The solution enhances signal reception sensitivity by 20-30% and Q factor, while maintaining mechanical robustness and reducing costs by eliminating the need for separate antennas, ensuring reliable operation under mechanical stress.
Implementation Method 1
An antenna integrated in the receiver unit must guarantee the reception of signals in all three spatial directions... three windings orthogonal to one another around a magnetic core
Implementation Method 2
A magnetic core with orthogonal windings and a high-density ferrite material, produced using an injection method, which allows for robust construction and efficient signal reception in all three dimensions
Data Source
Figure 1A~1B
Figure 1C~2A
Figure 2B~2C
AI summary
An antenna component is disclosed. In an embodiment the antenna component including a first, second and third electrical conductors and a magnetic core integrally embodied having different section, wherein the first, second and third electrical conductors are located at different sections of the magnetic core.