Directional Smartphone Antenna Housing for Multi-Band Integration
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Solution Overview
Problem
Integrating sophisticated components and systems into a compact and reliable handheld electronic device that can withstand daily use presents technical challenges.
Innovation Solution
A mobile phone design featuring a housing structure with conductive and non-conductive components that form directional antennas, including a front, rear, and side surface antennas, and a multi-in multi-out antenna array, optimized for different frequency bands, along with a sophisticated display and sensor array.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple antenna groups for different frequency bands are integrated into the device, then wireless communication capabilities are improved, but device complexity increases
Solution Approach 1:
The patent combines multiple antenna groups for different frequency bands (25-39 GHz, 3.4-4.2 GHz, 6.4-7.2 GHz) into a single integrated housing structure. The conductive housing components serve as antenna elements for multiple frequency bands simultaneously, merging what would traditionally be separate antenna systems into one unified structure, thereby improving wireless communication versatility while managing device complexity.
Solution Approach 2:
The housing structure is designed to serve multiple functions: it provides structural support, defines the device exterior, and simultaneously acts as antenna elements for multiple frequency bands. The conductive components of the housing serve as both mechanical structure and radiating elements, allowing the same physical structure to fulfill multiple roles and support diverse wireless communication capabilities.
2Adaptability or versatility
If directional antennas with specific radiation patterns are implemented, then wireless communication performance is improved, but manufacturing precision requirements increase
Solution Approach 1:
The patent implements directional antennas with specific radiation patterns by configuring antenna elements at particular locations and orientations within the housing. Each antenna group is positioned and oriented to provide optimized radiation patterns for specific communication directions and frequency bands, with conductive components shaped and arranged to create localized electromagnetic field distributions that enhance directional performance.
Solution Approach 2:
The housing structure employs asymmetric configurations of conductive components to achieve directional radiation patterns. The antenna elements are positioned and shaped with specific asymmetric geometries that favor radiation in particular directions, with different radiation patterns for front, rear, and side surfaces, optimizing wireless communication performance for various usage scenarios.
3Volume of moving object
If a compact form factor is maintained, then portability is improved, but integration of sophisticated components becomes more difficult
Solution Approach 1:
The patent merges multiple antenna systems for different frequency bands into the housing structure itself, eliminating the need for separate antenna assemblies. The conductive housing components serve dual purposes as both structural elements and radiating elements, consolidating what would traditionally be separate subsystems into a unified integration that fits within a compact form factor.
Solution Approach 2:
The housing structure is designed as a multi-functional component that provides mechanical support, defines device geometry, and serves as antenna elements for multiple frequency bands. This universal design allows sophisticated wireless communication capabilities to be integrated into a compact device without requiring additional dedicated space for separate antenna systems.
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
The design enhances wireless communication capabilities and durability while maintaining a compact form factor, supporting a wide range of functionalities including touch and force-sensitive interactions, advanced imaging, and wireless charging.
Implementation Method 1
first directional antenna defining a first radiation pattern extending through the front surface of the mobile phone, a second directional antenna defining a second radiation pattern extending through the rear surface of the mobile phone, and a third directional antenna defining a third radiation pattern extending through the side surface of the mobile phone
Data Source
Figure 1A
Figure 1B
Figure 1C
AI summary
A mobile phone (700) includes a housing structure, the housing structure defining a side surface (811) of the mobile phone, a front cover coupled to the housing structure and defining a front surface (809) of the mobile phone, a rear cover coupled to the housing structure and defining a rear surface (813) of the mobile phone, a display positioned below the front cover, a first directional antenna (730) defining a first radiation pattern (803) extending through the front surface of the mobile phone, a second directional antenna (732) defining a second radiation pattern (805) extending through the rear surface of the mobile phone, and a third directional antenna (734) defining a third radiation pattern (804) extending through the side surface of the mobile phone.