Rear Audio Receiver Porting for Compact Mobile Device Antenna Placement
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Solution Overview
Problem
The design of mobile computing devices with smaller form factors faces challenges in antenna placement, which restricts the location of other components like the audio receiver, leading to increased size and shape constraints.
Innovation Solution
An audio receiver design that ports to the rear of the mobile computing device, combined with a quad-band antenna architecture featuring a split tri-band/single-band internal antenna configuration, allowing for compact and efficient placement of components while maintaining effective communication across multiple frequency bands.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If antenna placement is optimized for communication performance, then communication reliability is improved, but the device size increases due to restricted component placement
Solution Approach 1:
The audio receiver is repositioned from the front face to the rear face of the device, utilizing the third dimension (depth/thickness) to resolve spatial conflicts. This allows the antenna to be placed on the front face for optimal communication performance while the audio receiver occupies space on the rear face, thereby maintaining compact device dimensions without compromising communication reliability
Solution Approach 2:
The device face is segmented into functional zones: the front face is dedicated to antenna and communication components, while the rear face is allocated to audio receiver and other auxiliary components. This spatial segmentation eliminates interference between components and allows each to be optimized for its specific function without increasing overall device volume
2Device complexity
If multiple antenna bands are integrated into a single architecture, then device complexity is reduced, but manufacturing precision requirements increase
Solution Approach 1:
A single printed circuit board (PCB) is designed to serve multiple antenna functions across different frequency bands (GSM 850/900/1800/1900 MHz and UMTS 2100 MHz). The PCB incorporates multiple antenna elements with different geometries and configurations, all fabricated using the same manufacturing process, thereby reducing device complexity while maintaining achievable manufacturing precision standards
Data Source
AI summary
Various embodiments of an audio receiver design for a mobile computing device are described. The mobile computing device may comprise an audio receiver structured and arranged to port to the rear of the mobile computing device. In some embodiments, the mobile computing device may be implemented as a dual-mode Global System for Mobile Communications/Universal Mobile Telephone System (GSM/UMTS) quad-band device. The mobile computing device also may comprise a Global Positioning System (GPS) antenna for providing positioning determination capabilities and location-based services. In various implementations, the audio receiver may be ported to an in-vehicle system, such as an onboard entertainment system, navigation system, and/or communications system. Other embodiments are described and claimed.