Integrated Antenna Carrier Layout for Reduced RF Frequency Offset
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Solution Overview
Problem
Existing electronic devices face challenges with antenna performance instability due to coupling members requiring significant installation space and affecting package minimization and production efficiency, along with unstable signal transmission.
Innovation Solution
The electronic device incorporates a carrier and an antenna unit with a conductive structure defining an opening, a feeding element recessed from the antenna pattern, and a second end protruding downwardly to connect with the carrier, minimizing frequency offsets through precise alignment and integration of antenna units.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If coupling members are used to connect the antenna layer and circuit layer, then electrical connection is achieved, but installation space increases and package minimization is hindered
Solution Approach 1:
The patent merges the coupling member function directly into the antenna pattern by forming a conductive via that integrates the feeding element connection with the ground pattern. This integration eliminates the need for separate coupling members, achieving electrical connection while minimizing installation space.
Solution Approach 2:
The conductive via is nested within the antenna pattern structure, with the feeding element extending through the substrate and connecting to the ground pattern. This nested configuration allows multiple functions (feeding, grounding, and mechanical support) to be achieved within a compact space.
2Reliability
If coupling members are used for signal transmission, then electrical connection is established, but signal transmission stability is compromised
Solution Approach 1:
The patent combines the signal transmission path and ground reference into a unified structure where the conductive via serves as both the feeding element connection and part of the ground pattern. This merging reduces structural complexity and improves signal transmission stability by minimizing interface points.
Solution Approach 2:
The patent extracts the coupling member from the system and replaces it with an integrated conductive via structure that performs the same electrical connection function while eliminating the instability introduced by separate coupling components.
3Ease of manufacture
If traditional antenna structures with separate coupling members are used, then assembly is straightforward, but production efficiency decreases due to installation space requirements
Solution Approach 1:
The patent merges multiple manufacturing steps into a single integrated process where the conductive via is formed as part of the antenna pattern fabrication. This integration maintains assembly simplicity while improving production efficiency by reducing the number of discrete components and assembly operations.
Solution Approach 2:
The conductive via structure serves multiple functions simultaneously: it provides electrical connection, establishes ground reference, and enables signal transmission. This multi-functionality reduces the number of components that need to be manufactured and assembled, thereby improving production efficiency.
Data Source
AI summary
The present disclosure provides an electronic device. The electronic device includes a carrier and an antenna unit. The antenna unit includes a base portion and an extension portion protruding downwardly from the base portion. The carrier supports the extension portion and is configured to reduce a frequency offset of signals from the antenna unit.