RF Antenna End Panel Ground Plane Integration
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Solution Overview
Problem
Whip antennas used in protocol adapters for vehicle communication are prone to damage from extreme environmental conditions such as heat and cold, leading to reduced effectiveness.
Innovation Solution
An endplate with a metal inner or outer plate provides a ground plane relationship for the antenna, securing it and enhancing its durability by eliminating the need for a metalized ground plane and using a copper antenna with a coil and elongated portion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a whip antenna is used in protocol adapters for vehicle communication, then the antenna can transmit and receive signals effectively, but the antenna becomes vulnerable to damage from extreme environmental conditions such as heat and cold
Solution Approach 1:
The patent applies this principle by using a flexible foam material to support and protect the coil antenna. The foam acts as a flexible shell that cushions the antenna against environmental stresses including extreme heat and cold, preventing the antenna from becoming bent or broken while maintaining its protective qualities
2Reliability
If a metalized ground plane is used with the antenna, then the antenna can function properly, but the metalized ground plane can become detached from the antenna over time
Solution Approach 1:
The patent merges the ground plane function directly into the foam support structure itself. The foam material provides both mechanical support for the coil antenna and serves as the ground plane, eliminating the separate metalized ground plane layer that was prone to detachment. This integration ensures the ground plane remains permanently attached to the antenna assembly
Solution Approach 2:
The patent uses a composite structure where the foam material combines electrical grounding properties with mechanical support properties. This composite approach replaces the traditional separate metalized ground plane with a unified foam-based solution that provides both functions in a single durable component
3Strength
If the antenna is made more rigid to resist environmental damage, then the antenna becomes more durable, but the antenna may become bent or broken in extreme conditions
Solution Approach 1:
The patent applies this principle by using a flexible foam material to support the coil antenna. The foam provides cushioning and protection against environmental stresses including extreme heat and cold, preventing the antenna from becoming bent or broken while maintaining its protective qualities
Solution Approach 2:
The foam support structure acts as a cushioning element positioned beforehand to protect the antenna from environmental shocks and stresses. This pre-positioned protective layer absorbs impacts from extreme conditions before they can damage the antenna
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 provides a durable antenna setup that maintains signal transmission effectiveness, achieving a range of approximately two-hundred feet, even in harsh environments.
Implementation Method 1
The endplate is operable for providing a ground plane relationship between the endplate and the antenna. The ground plane relationship between the endplate and the antenna is accomplished through the use of one of either the inner plate or outer plate being made of metal.
Data Source
AI summary
The present invention is an endplate formed as part of a device used for transmitting or receiving a signal. The endplate has an inner plate, an outer plate operable for being connected to the inner plate, and an antenna mounted to the inner plate. The antenna is operable for connection with a device, such as a protocol adapter, which transmits and receives a signal. The endplate is operable for providing a ground plane relationship between the endplate and the antenna. The ground plane relationship between the endplate and the antenna is accomplished through the use of one of either the inner plate our outer plate being made of metal.