Segmented Metallic Housing Antenna for Interference Reduction
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Solution Overview
Problem
Existing electronic devices face challenges in securing antennas with superior performance and efficient communication due to limited mounting space and interference between antennas operating at different frequency bands.
Innovation Solution
The electronic device incorporates a coupled feeding antenna system that connects metallic housing and feeder to a capacitor, using electrical variable elements to tune frequencies and reduce interference between antennas.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If multiple antennas are disposed in adjacent manner to save space, then mounting space is reduced, but interference between antennas increases
Solution Approach 1:
The housing is divided into multiple metallic members (first metallic member, second metallic member, third metallic member) that are electrically connected to form a segmented antenna structure. This segmentation allows adjacent antennas to be electrically isolated while maintaining compact physical arrangement, resolving the contradiction between space savings and interference reduction.
Solution Approach 2:
Nonconductive segmenting parts are introduced as intermediary elements between adjacent metallic members. These segmenting parts provide electrical isolation between antenna elements while allowing mechanical connection, enabling compact antenna placement without harmful interference between adjacent antennas operating at different frequency bands.
2Reliability
If conventional antenna configurations are used, then device complexity is reduced, but communication performance deteriorates
Solution Approach 1:
The metallic housing members serve multiple functions: they form the structural housing of the electronic device, provide grounding paths, and act as antenna elements. This multi-functionality improves communication performance without significantly increasing overall device complexity, as the same structural components fulfill multiple roles.
Solution Approach 2:
The antenna system merges the housing structure with antenna elements by electrically connecting metallic housing members to form antenna radiating elements. This combination improves communication performance by utilizing the existing housing structure as part of the antenna system, avoiding the need for separate dedicated antenna components.
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 enhances communication performance by efficiently tuning antennas and minimizing interference, allowing for optimal operation across necessary frequency bands.
Implementation Method 1
one end of a feeder may be connected to one metallic member, and the other end of the feeder may be connected to one end of a capacitor, and the other end of the capacitor may be connected to the other metallic member
Data Source
Figure 1
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AI summary
An electronic device is provided. The electronic device includes a housing including a first metallic member, a second metallic member, and a nonconductive segmenting part located between an end of the first metallic member and an end of the second metallic member, a ground member, a wireless communication circuit connected to a first point of the first metallic member through a first electrical path and connected to a second point of the first metallic member through a second electrical path, a first conductive pattern electrically connected to the first electrical path, a second conductive pattern electrically connected to the second electrical path, a first electrical variable element electrically connected between the first electrical path and the ground member, and a second electrical variable element electrically connected between the second metallic member and the ground member.