Ground Plate Antenna Design for Slim Electronic Devices
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Solution Overview
Problem
The challenge is to implement an efficient antenna solution in portable electronic devices that are slim and lightweight, without the need for external antennas, which are typically larger and less aesthetically appealing.
Innovation Solution
The proposed solution involves using the ground plate of a signal transmission unit as a radiator within the electronic device, where the ground plates of the signal transmission and signal processing units are spaced apart, allowing the ground plate to function as an internal antenna, eliminating the need for a separate antenna device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If external antennas are used, then antenna radiation performance is improved, but device size and weight increase
Solution Approach 1:
The patent merges the antenna function with the ground plate structure by spacing the ground plate away from the signal processing unit, allowing the ground plate to serve dual purposes: providing electromagnetic shielding/grounding and functioning as an antenna radiator, thereby eliminating the need for separate external antennas
Solution Approach 2:
The ground plate is designed to perform multiple functions simultaneously: it acts as an electromagnetic shield, a ground reference, and an antenna radiator, maximizing the utility of existing structural components while avoiding additional weight from dedicated antenna elements
2Reliability
If external antennas are used, then antenna radiation performance is improved, but device thickness increases
Solution Approach 1:
The patent integrates the antenna function into the existing ground plate structure by creating a spaced configuration between the ground plate and signal processing unit, enabling the ground plate to function as an internal antenna without increasing device thickness
Solution Approach 2:
The antenna functionality is nested within the existing device structure by utilizing the ground plate's spatial relationship with the signal processing unit, fitting the antenna function into the available internal space without adding external dimensions
3Reliability
If ground plate is spaced from signal processing unit, then antenna radiation is achieved, but electrical connection complexity increases
Solution Approach 1:
The patent introduces a spacing structure as an intermediary element between the ground plate and signal processing unit, which simultaneously achieves antenna radiation functionality while maintaining electrical connections through conductive pathways integrated into the spacing structure
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 approach allows for a compact, efficient antenna design that is easy to implement, providing sufficient radiation and being less susceptible to noise interference, while maintaining a slim and lightweight device form factor.
Implementation Method 1
the ground plate of the signal transmission unit and the ground plate of the signal processing unit are spaced from each other and the ground plate of the signal transmission unit is used as a radiator
Data Source
AI summary
An electronic device is provided. The electronic device includes a control signal generation unit configured to generate a control signal corresponding to a user input, a signal transmission unit configured to transmit the generated control signal to a signal processing unit, the signal processing unit configured to process the transmitted control signal, and a ground connection unit configured to connect a ground plate of the signal transmission unit and a ground plate of the signal processing unit, wherein the ground plate of the signal transmission unit and the ground plate of the signal processing unit are spaced from each other and the ground plate of the signal transmission unit is used as a radiator.