Side-Key Integrated Antenna Structure for Metal Frame Signal Routing
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Solution Overview
Problem
The challenge of integrating additional antennas in small form factor devices like smartphones without compromising the functionality of side-key modules, such as buttons or fingerprint sensors, due to limited space and potential interference.
Innovation Solution
An antenna system integrated with side-keys using a metallic frame and fasteners to route antenna signals around side-key modules, employing a conductive support structure and antenna springs to inject signals into the frame, avoiding interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If antennas are integrated in small form factor devices, then device functionality is improved, but side-key module functionality is compromised due to interference
Solution Approach 1:
The antenna system is segmented into multiple independent antenna elements that can be selectively activated. The antenna structure is divided into separate conductive regions that can operate independently, allowing some antenna elements to be used while others are deactivated to avoid interfering with side-key modules.
Solution Approach 2:
Different regions of the antenna structure have different functional properties. Areas远离 from side-key modules are designed with full antenna functionality, while regions near side-key modules are either excluded from antenna operation or designed with modified characteristics to minimize interference. This local differentiation allows coexistence of antenna and side-key functions.
2Adaptability or versatility
If antenna integration is increased, then wireless communication capability is improved, but available space is reduced
Solution Approach 1:
The metal frame structure serves multiple functions simultaneously: it provides structural support for the device, acts as the antenna radiating element, and serves as a mounting surface for side-key modules. This multi-functionality eliminates the need for separate antenna components, maximizing space utilization.
Solution Approach 2:
The antenna system is merged with the device frame structure. The conductive frame elements that would otherwise be purely structural are integrated to serve as antenna elements, combining structural and communication functions into a single component system.
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
Enables more antennas to be implemented on electronic devices, supporting multiple wireless standards with improved communication quality and user experience.
Implementation Method 1
The antenna spring is in direct electrical contact with the metal support and the signal generator and is configured to inject the one or more antenna signals into the metal support
Implementation Method 2
The metal frame includes one or more apertures that enable the metal frame to be configured as an antenna radiating element of the one or more antenna signals generated by the one or more antennas
Data Source
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AI summary
This document describes methods and systems for an antenna system (104) integrated with side-keys (106) of an electronic device (102). The antenna system (104) enables antenna integration in a metal frame (108) using a metal support structure (122) and fastener(s) (120) to route antenna signals around side-key modules (106) embedded in the frame (108) without encountering or causing interference with the side-key modules (106). By using these techniques to integrate antennas on areas around the side-key modules (106), more antennas can be implemented on the electronic device (102), leading to improved capabilities supporting additional wireless standards and a better user experience in terms of improved communication quality.