Multi-band Antenna Structure with Segmented Metal Slots
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Solution Overview
Problem
Existing antenna structures for electronic devices fail to support multi-band wireless communication protocols effectively, limiting their functionality and wireless communication quality.
Innovation Solution
An antenna structure featuring a metal element with an open slot, a feeding element, and an adjustment element, where the feeding element is connected to the metal element through a capacitor and the adjustment element is connected through another capacitor, allowing the antenna to operate across multiple frequency bands by utilizing slots of specific wavelengths.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional antenna structure is used, then the structure is simple, but it cannot support multi-band wireless communication protocols
Solution Approach 1:
The antenna structure divides the metal element into multiple segments including a first metal element, second metal element, third metal element, and fourth metal element, each with specific slots (first slot, second slot, third slot, fourth slot). This segmentation allows each segment to resonate at different frequency bands, enabling multi-band operation while maintaining a relatively compact overall structure.
Solution Approach 2:
The antenna structure achieves multi-functionality by designing a single integrated antenna system that can operate across multiple frequency bands (first frequency band, second frequency band, third frequency band). The feeding element connects to multiple metal elements through capacitors, allowing one antenna structure to serve multiple wireless communication protocols simultaneously.
2Adaptability or versatility
If the antenna structure includes multiple slots and capacitors for multi-band operation, then multi-band capability is achieved, but the device complexity increases
Solution Approach 1:
The patent merges multiple functional components into an integrated antenna structure. The feeding element simultaneously connects to multiple metal elements through capacitors, and the metal elements are arranged to form multiple slots that operate at different frequencies. This merging reduces the need for separate antenna structures for different frequency bands, thereby managing complexity while achieving multi-band coverage.
Solution Approach 2:
The antenna structure utilizes spatial arrangement and dimensional positioning of metal elements and slots to achieve frequency differentiation. By positioning slots at different locations and orientations in three-dimensional space, the structure enables multi-band operation without proportionally increasing component count, as the spatial configuration itself contributes to frequency selectivity.
Data Source
AI summary
An antenna structure including a metal element, a first capacitor, a second capacitor, a feeding element and an adjustment element is provided. The metal element has an open slot, and the open slot has an open end, a first slot and a second slot. The first slot and the second slot are respectively disposed on two opposite sides of the open end. The feeding element crosses the first slot. A first end of the feeding element has a feeding point, and a second end of the feeding element is electrically connected to the metal element through the first capacitor. The adjustment element is disposed in the second slot. A first end of the adjustment element is electrically connected to the metal element, and a second end of the adjustment element is electrically connected to the metal element through the second capacitor.