Segmented Housing Antenna With Dynamic Feed Path Switching
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Solution Overview
Problem
Electronic devices with conductive housing materials are limited in their ability to operate across various frequency bands due to fixed positions of the ground and feeding points, restricting their wireless communication capabilities.
Innovation Solution
The electronic device incorporates a housing with segmented portions forming multiple antennas, where a processor controls feeding and ground signals at specific points to adjust the electrical path, enabling operation across different frequency bands.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the ground and feeding have predetermined positions, then the antenna structure is simple and easy to manufacture, but the antenna can only operate in a limited frequency band
Solution Approach 1:
The patent applies dynamics by making the ground and feeding points movable rather than fixed. The processor dynamically adjusts the positions of ground and feeding points along the antenna structure, enabling the antenna to operate across multiple frequency bands. This transforms a static antenna design into a dynamic one that can adapt its electrical characteristics based on the desired operating frequency.
Solution Approach 2:
The patent implements parameter changes by varying the positions of ground and feeding points to change the electrical path length and impedance characteristics of the antenna. By adjusting these positional parameters, the antenna resonates at different frequencies, enabling broadband operation without requiring multiple separate antenna elements.
2Adaptability or versatility
If the housing is made of conductive material and used as antenna radiator, then the device structure is simplified, but the antenna operation is limited to preconfigured frequency bands only
Solution Approach 1:
The patent applies segmentation by dividing the continuous conductive housing into multiple segment portions. This segmentation allows independent control of different sections of the antenna, enabling the processor to selectively activate and configure specific segments for different frequency bands. The segmented structure provides flexibility in creating various electrical path configurations within the same physical housing.
Solution Approach 2:
The patent implements universality by designing the conductive housing to serve multiple functions: it acts as both the structural enclosure of the device and the antenna radiator. By incorporating multiple ground and feeding points along the housing, a single antenna structure can operate across multiple frequency bands, eliminating the need for separate antennas for different communication standards.
3Adaptability or versatility
If feeding signals and ground signals are controlled at multiple points, then the antenna can operate in different frequency bands, but the control system becomes more complex
Solution Approach 1:
The patent applies self-service by implementing automatic frequency band selection and configuration. The processor automatically determines the desired operating frequency band and independently configures the appropriate ground and feeding point positions without requiring manual intervention. This self-configuration capability simplifies the user experience while managing the inherent control complexity internally.
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 configuration allows the electronic device to achieve optimal radiation efficiency and performance across broadband frequencies, including middle and high bands, by dynamically controlling signal points on the antennas.
Implementation Method 1
The antenna of the electronic device may have a resonance frequency determined according to the position of a ground and that of feeding
Data Source
AI summary
An electronic device is provided. The electronic device includes a housing including a first segment portion and a second segment portion, a first antenna formed between the first segment portion and the second segment portion, and a processor electrically connected to the first antenna, the first antenna includes a first point disposed adjacent to the first segment portion, a third point disposed adjacent to the second segment portion, and a second point disposed between the first point and the third point, and the processor is configured to control feeding signals and/or ground signals of the first point, the second point or the third point, and control the electrical path of the first antenna between the first segment portion and the second segment portion, the first antenna operates in different frequency bands. The first antenna operating at a resonance frequency having the optimum radiation efficiency and performance in a wideband.