IoT Antenna Holding Structure with Embedded Shielding
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Solution Overview
Problem
IoT devices, particularly tracking devices, experience unreliable antenna performance due to interference from the surface materials on which they are mounted, leading to signal degradation and limited communication range in low frequency bands.
Innovation Solution
An antenna enhancing structure is embedded within the holding structure of IoT devices, which isolates the antenna from the surface material, improving signal integrity and reliability by using a flat metal sheet or conductive material that mitigates interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the antenna is mounted directly on the surface material, then the device structure is simple, but the signal performance deteriorates due to interference
Solution Approach 1:
The patent introduces an antenna enhancing structure as an intermediary component between the antenna and the surface material. This mediator structure contains conductive elements that actively counteract the interference from the surface material, transforming the harmful interaction into a beneficial one by improving signal radiation and reception.
Solution Approach 2:
The patent extracts the antenna enhancement functionality from the antenna itself and places it in a separate holding structure. This allows the antenna to maintain its simple design while the holding structure contains the conductive elements needed to mitigate surface interference, separating the radiation function from the interference mitigation function.
2Reliability
If the antenna is isolated from surface material, then signal integrity improves, but device structure becomes more complex
Solution Approach 1:
The patent merges the antenna holding structure with the antenna enhancing structure into a single integrated component. The holding structure that attaches to the surface also contains the conductive elements for signal enhancement, combining mechanical support and electromagnetic optimization functions in one structure.
3Reliability
If conductive material is added to mitigate interference, then antenna efficiency increases, but manufacturing complexity increases
Solution Approach 1:
The patent uses thin conductive film or coating applied to the holding structure instead of bulk conductive materials. This thin film approach provides the necessary electromagnetic shielding and signal enhancement while requiring minimal additional manufacturing steps and materials.
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 antenna enhancing structure significantly enhances the performance of IoT device antennas, increasing efficiency from 27% to 56% by isolating them from surface interference, ensuring stable communication regardless of the surface material.
Implementation Method 1
an antenna enhancing structure disposed inside the holding structure and configured to mitigate interference by the surface of the object on the signals radiated by the antenna
Data Source
AI summary
The disclosed embodiments include a monitoring system. The monitoring system includes a wireless device and a holding structure. The wireless device includes communications circuitry that enables wireless communications of data obtained locally by the wireless device, and an antenna coupled to the communications circuitry and configured to radiate signals including information indicative of the obtained data. The holding structure includes an engagement member configured to detachably engage the wireless device, an attachment member configured to detachably attach the engaged wireless device to a surface of an object monitored by the wireless device, and an antenna enhancing structure disposed inside the holding structure and configured to mitigate interference by the surface of the object on the signals radiated by the antenna.