Antenna Farm Integration in Thin Mobile Device Chassis
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing mobile electronic devices with large user interfaces and thin profiles often fail to withstand tough user environments due to inadequate structural integrity and durability.
Innovation Solution
A mobile electronic device design featuring an enhanced chassis with a narrow profile, improved laminate construction, an enhanced tolerance accumulator for battery expansion and contraction, and an antenna farm with minimal Z dimension, which includes a durable frame connected to a printed circuit board, a touch screen display with protective lens, and strategically placed antennas for RF transparency and impact absorption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If the device profile is made thin with minimal Z dimension, then the device achieves a sleek and compact design, but the structural integrity and durability are compromised
Solution Approach 1:
The patent implements a nested laminate construction where multiple functional layers (display assembly, battery, antenna farm, chassis) are stacked and integrated within each other. The display assembly is nested within the chassis, the battery is positioned within the remaining space, and the antenna farm is integrated into the chassis structure. This nesting approach maximizes space utilization while maintaining structural integrity without requiring additional Z dimension.
Solution Approach 2:
The patent employs a laminate construction using composite materials consisting of multiple layers with different properties. The chassis is formed as a laminate structure combining rigid support layers with flexible impact-absorbing layers. This composite approach provides both the structural strength needed for durability and the thin profile desired, as each layer contributes specific functional properties while working together as an integrated whole.
2Reliability
If multiple antennas are added to improve wireless communication capabilities, then RF transparency and communication performance are enhanced, but the device complexity and space requirements increase
Solution Approach 1:
The patent merges multiple antenna elements into a single integrated antenna farm assembly. Rather than treating each antenna as a separate component requiring individual mounting and routing, the antennas are combined into one unified structure that is integrated directly into the chassis. This merging reduces overall complexity, minimizes the space required, and simplifies the assembly process while maintaining all necessary wireless communication functions.
Solution Approach 2:
The antenna farm is designed as a multi-functional component that serves multiple wireless communication purposes simultaneously. The same antenna structure supports various communication protocols and frequencies, and the chassis integration provides both structural support and RF transparency. This universal design approach eliminates the need for separate antenna assemblies for different functions, thereby reducing overall device complexity.
3Length of moving object
If the chassis is made thinner to reduce Z dimension, then the device achieves a narrow profile, but the impact absorption and durability are reduced
Solution Approach 1:
The patent applies local quality by creating a laminate chassis where different regions have different properties optimized for their specific functions. Certain areas of the chassis contain thicker or more rigid layers for structural support and impact resistance, while other areas are thinner to maintain the overall narrow profile. The laminate construction allows strategically placed impact-absorbing layers at critical stress points without increasing the overall Z dimension uniformly throughout the device.
Solution Approach 2:
The laminate chassis incorporates pre-designed impact-absorbing layers and energy-dissipating structures within the thin profile. These cushioning elements are built into the chassis construction beforehand, allowing the device to withstand impacts and drops without requiring a thicker overall structure. The layered construction provides built-in protection that activates upon impact while maintaining the desired thin aesthetic and compact form factor.
Data Source
AI summary
A mobile electronic device 10 with an enhanced antenna farm 180 is disclosed. The device 10 can include: a housing 150 including a front housing 34 and a rear housing 86; and a user interface 62, the rear housing 86 includes an antenna farm 180. Advantageously, the antenna farm 180 allows wireless communication from or to multiple sources, is substantially isolated from EMI from electronic components in the device and can be made with a minimal Z dimension.