Housing Antenna Module Layout for Multi-Band Slit Constraints
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Solution Overview
Problem
Electronic devices face a challenge in simultaneously providing services across various frequency bands due to limited mounting space for antenna modules, which is exacerbated by the need to balance the number of slits for radiation efficiency with aesthetic and structural considerations.
Innovation Solution
The electronic device incorporates a housing design with conductive members separated by slits, a support member, and a printed circuit board with a wireless communication circuit, where a connection part protrudes from the conductive member adjacent to the slit, electrically connected to the PCB, allowing for efficient antenna operation across multiple frequency bands.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the number of slits is increased to increase the number of radiators, then antenna performance is improved, but aesthetics are impaired and stiffness is reduced
Solution Approach 1:
The housing is segmented into multiple conductive members by forming slits, where each conductive member functions as an independent radiator. This segmentation allows the housing to provide multiple radiation elements without requiring separate antenna modules, thereby improving antenna performance while maintaining a clean external appearance through controlled slit placement and configuration.
2Reliability
If the number of slits is increased to increase the number of radiators, then antenna performance is improved, but stiffness is reduced
Solution Approach 1:
The housing is segmented into multiple conductive members by forming slits, where each conductive member functions as an independent radiator. This segmentation allows the housing to provide multiple radiation elements without requiring separate antenna modules, thereby improving antenna performance while maintaining a clean external appearance through controlled slit placement and configuration.
3Strength
If the number of slits is limited to maintain aesthetics and stiffness, then structural integrity is preserved, but mounting space for antenna module is restricted
Solution Approach 1:
The housing structure is merged with the antenna radiator function, where the conductive members forming the housing itself serve as the radiating elements. This integration eliminates the need for separate antenna modules, allowing multiple radiators to be formed within the existing housing structure without requiring additional mounting space or compromising structural integrity.
4Shape
If mounting space is restricted, then aesthetic design is maintained, but ability to provide services in different frequency bands is reduced
Solution Approach 1:
The housing is segmented into multiple conductive members by forming slits, where each conductive member functions as an independent radiator. This segmentation allows the housing to provide multiple radiation elements without requiring separate antenna modules, thereby improving antenna performance while maintaining a clean external appearance through controlled slit placement and configuration.
Solution Approach 2:
The conductive members of the housing serve dual functions: maintaining aesthetic design as structural components and providing multi-frequency radiation capabilities as antenna elements. By configuring multiple conductive members with different geometries and positions, the housing can support services across different frequency bands while preserving aesthetic design and avoiding additional mounting space requirements.
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
This design enhances antenna performance and maintains sufficient mounting space for antennas, enabling carrier aggregation technology without compromising aesthetics or structural integrity.
Implementation Method 1
at least a portion of the metal housing included in the electronic device may be electrically connected with a power feeding part, and the power feeding part may transmit signals, which are in various frequency bands, through the portion of the metal housing
Implementation Method 2
a connection part protruding toward an inner part of the housing from an area of the second conductive member that is adjacent to the slit, the connection part being electrically connected with the second conductive member
Data Source
AI summary
An electronic device includes a housing including a first plate, a second plate, and a side member including a first conductive member and a second conductive member which surround a space between the first plate and the second plate and are separated from each other by a slit, a support member interposed in a space between the first plate and the second plate, a PCB, a wireless communication circuit disposed on the PCB, a display, a connection part protruding toward an inner part of the housing from an area of the second conductive member that is adjacent to the slit, the connection part being electrically connected with the second conductive member, and a coupling member coupled to the connection part. The wireless communication circuit is configured to electrically connect the second conductive member and the connection part with an antenna circuit provided on the PCB.