Inverted L Antenna Structure With Insulated Support Leg Stability
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Solution Overview
Problem
General inverted L antennas lack stability and are prone to falling due to impacts during manufacturing or shipping, leading to functional failure.
Innovation Solution
An inverted L antenna design with a parallel part, a power feeding point contact part, and a leg part that is electrically insulated from the substrate, providing stable arrangement and support through multiple contact points.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the inverted L antenna is supported by a single support point on the substrate, then the antenna structure is simple, but the antenna lacks stability and is prone to falling due to impacts
Solution Approach 1:
The antenna structure is divided into multiple support points distributed across the substrate surface. Instead of a single support point, the antenna is supported at multiple locations, which segments the load and improves stability without significantly complicating the overall structure
Solution Approach 2:
The support structure transitions from a single-point (0D) or line (1D) support to a distributed multi-point (2D) support pattern on the substrate. This dimensional expansion provides broader contact area and enhanced stability against impacts from various directions
2Ease of manufacture
If the leg part contacts the substrate directly, then the manufacturing process is simple, but the antenna may experience electrical interference or signal degradation
Solution Approach 1:
An insulating structure is introduced as an intermediary element between the leg part and the substrate. This mediator maintains the electrical insulation required for proper antenna function while allowing the mechanical support contact to occur, thus preserving both manufacturing simplicity and signal quality
Data Source
AI summary
There is provided an inverted L antenna arranged on a substrate, the inverted L antenna comprising: a parallel part arranged in substantially parallel to the substrate; a power feeding point contact part extended from the parallel part substantially perpendicularly to the parallel part; and a leg part formed separately from the power feeding point contact part, and extended from the parallel part substantially perpendicularly to the parallel part, wherein a contact portion of the leg part and the substrate is electrically insulated.