Multi-feed Multi-band Antenna Using External Conductor
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Solution Overview
Problem
Existing electronic devices with metal designs face challenges in achieving effective antenna performance while maintaining manufacturing yield and appearance, as segmenting external conductors for antenna use can lead to poor manufacturing yield and aesthetic defects.
Innovation Solution
The implementation of a multi-feed, multi-band antenna design using a non-segmented external conductor with shielding members to prevent signal interference between antenna patterns, allowing for improved antenna performance without the need for segmentation, thus enhancing manufacturing yield and appearance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the external conductor is segmented to achieve effective antenna performance, then the antenna performance is improved, but the manufacturing yield and appearance are deteriorated
Solution Approach 1:
The external conductor is divided into multiple segments (first external conductor segment, second external conductor segment, third external conductor segment) that are electrically connected through connection structures. This segmentation allows each segment to serve specific antenna functions while maintaining overall antenna performance, and the segments can be manufactured separately to improve manufacturing yield.
Solution Approach 2:
Connection structures (such as connection pads or conductive materials) are introduced as intermediaries to electrically connect the segmented external conductor segments. These connection structures enable the segments to function together as a unified antenna system while allowing independent manufacturing and assembly of each segment.
2Reliability
If the external conductor is segmented to achieve effective antenna performance, then the antenna performance is improved, but the appearance is deteriorated
Solution Approach 1:
The connection structures are strategically positioned at specific locations (such as corners or edges) where they are less visually prominent. The segmentation and connection design maintains the overall aesthetic appearance of the external conductor while enabling effective antenna functionality through localized structural features.
3Reliability
If multiple segmented structures are used in the external conductor to secure antenna performance, then the antenna performance is improved, but the device complexity and manufacturing difficulty increase
Solution Approach 1:
Multiple antenna patterns (first, second, and third antenna patterns) are integrated into a unified external conductor structure. The segmented external conductor segments work together to support multiple antenna functions, reducing the need for separate antenna components and simplifying the overall device structure.
Solution Approach 2:
The external conductor segments serve multiple functions: they form antenna patterns for wireless communication, provide structural support, and enable aesthetic design. The connection structures not only electrically connect segments but also serve as integration points for multiple antenna functions within a single unified 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 design improves antenna performance by shielding signal interference between antenna patterns, allowing for effective multi-band communication without the need for segmentation, thereby increasing manufacturing yield and maintaining an attractive appearance.
Implementation Method 1
a first shield located between the first antenna pattern and the second antenna pattern to shield signal interference therebetween
Implementation Method 2
the first non-segmented conductor... having persistence to perform as an antenna... to contribute to a first resonance of a first communications band... to contribute to a second resonance of a second communications band
Data Source
AI summary
An electronic device includes a board embedded in the electronic device, having a peripheral portion and a conductive region including a ground and a non-conductive region, an external conductor located in the peripheral portion and including a first non-segmented conductor having persistence with respect to performing an antenna function and connected to the ground. The device also includes a first antenna pattern configured to receive a first feed signal that contribute to first resonance for a first communications band, a second antenna pattern configured to receive a second feed signal that contributes to second resonance for a second communications band, and a first shield located between the first antenna pattern and the second antenna pattern that is connected to each of the ground and the first non-segmented conductor.