Camera Cover Slot Antenna Layout for Multi-Band Frame Integration
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Solution Overview
Problem
The challenge of integrating multiple communication bands in electronic devices with extended camera covers, such as 2G/3G/4G/5G, is exacerbated by the camera cover forming part of the side surface, making it difficult to implement Inverted F-type antennas traditionally used in frame structures.
Innovation Solution
A frame structure integrated with a camera cover forms a slot antenna by using a first, second, and third frame, with gaps and connections to enable wireless communication circuits to transmit and receive signals across designated frequency bands without additional space.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If the camera cover is extended to meet consumer needs and ensure image quality, then the camera aperture and angle of view are improved, but the frame structure is compromised making it difficult to implement traditional IFA type antennas
Solution Approach 1:
The patent merges the camera cover and frame structure into an integrated unit, where the camera cover is coupled with the frame structure to form a unified component. This integration allows the antenna to be implemented using the combined structure rather than requiring a separate frame, resolving the conflict between extended camera cover and traditional antenna implementation
Solution Approach 2:
The camera cover is designed to serve multiple functions: it protects the camera, extends the aperture for better image quality, and simultaneously serves as part of the antenna structure for wireless communication. This multi-functionality eliminates the need for separate components and resolves the structural compromise
2Adaptability or versatility
If multiple communication bands (2G/3G/4G/5G) are implemented, then broad frequency bandwidth is achieved, but the device requires more antenna elements which increases space requirements
Solution Approach 1:
The slot antenna structure is designed to support multiple frequency bands (2G/3G/4G/5G) through a single antenna element. The antenna can operate across broad frequency bandwidth by adjusting electrical path length, eliminating the need for separate antennas for each communication band and reducing overall space requirements
Solution Approach 2:
The patent changes the electrical path length parameter of the antenna to adjust the operating frequency band. By modifying the length of the electrical path within the slot antenna structure, the same physical antenna can operate across different frequency bands (1500-2500 MHz and beyond), achieving multi-band functionality without additional space
3Shape
If the camera cover forms part of the side surface, then the device achieves a compact integrated design, but traditional IFA type antennas implemented by frame structure segments become difficult to implement
Solution Approach 1:
Instead of implementing traditional IFA type antennas that require frame structure segments, the patent inverts the approach by using the camera cover-frame structure integration itself as the antenna. The slot antenna is formed within the integrated structure, turning the design constraint into a manufacturing advantage rather than a hurdle
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 solution allows for the implementation of a slot antenna that receives RF signals in the 1500 to 2500 MHz range, achieving impedance matching and supporting multiple frequency bands without expanding the device's physical space.
Implementation Method 1
a slot antenna, and a wireless communication circuit. The wireless communication circuit may receive an RF signal of a frequency band of 1500 to 2500 MHz, based on an electrical path including a first area of the first frame and a second area of the third frame
Data Source
AI summary
An electronic device includes a camera cover, a wireless communication circuit, a first frame, a second frame and a third frame, extends from a second surface along a part not included in a first surface and the second surface among the periphery of the camera cover, and is connected to the camera cover. The second frame is positioned away from the first frame to form a part of the second surface, and extends from the second surface to form a part of a third surface. The third frame has a gap from the first frame in a specific direction in a first area and is connected to the first frame in a second area. The wireless communication circuit can receive a signal of a specific frequency band by feeding power to a slot structure comprising the gap between the first frame and the third frame.