Wireless Terminal Pen Storage Antenna Placement
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Solution Overview
Problem
Wireless communication terminals with built-in antennas face challenges in designing a pen storage space due to the need to optimize antenna placement for reception characteristics, making it difficult to balance component arrangements and ensure stable weight distribution.
Innovation Solution
A wireless communication terminal design featuring a flat box body with a touch panel, a battery storage space positioned near the bottom surface for weight balance, and a pen storage space hollow from the side to the inside, allowing the pen to be stored without interfering with the antenna or substrate, with the pen storage space positioned between the battery and substrate.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the antenna is disposed at a position having a high reception characteristic, then the wireless communication performance is improved, but the flexibility in forming the pen storage space is reduced
Solution Approach 1:
The patent transitions from considering only planar (2D) antenna placement to utilizing three-dimensional (3D) spatial arrangement. The antenna is disposed on the side surface of the body rather than on the front or back surfaces, and the pen storage space is formed by hollowing from the left or right side toward the inside, creating a spatial configuration that resolves the conflict between antenna reception characteristics and pen storage accessibility.
2Ease of operation
If the pen storage space is formed toward the inside of the body, then the pen can be stored conveniently, but the antenna placement and component arrangement become restricted
Solution Approach 1:
The internal space of the body is segmented into distinct functional zones: the antenna is disposed on the side surface in a specific region, the substrate is placed in another region, and the pen storage space is formed by hollowing from the left or right side toward the inside. This segmentation allows each component to be optimally positioned without interfering with others, resolving the contradiction between pen storage convenience and component arrangement flexibility.
3Stability of the object's composition
If the battery storage space is positioned for weight balance, then the terminal handling stability is improved, but the available space for other components is reduced
Solution Approach 1:
The battery storage space is positioned asymmetrically at the bottom of the body rather than at the geometric center, with the center of gravity configured to be within a belt-shaped area 2 cm wide that includes the center point of the front surface. This asymmetric placement achieves weight balance for stable handling while the pen storage space is formed by hollowing from the side, utilizing space that would otherwise be unused and resolving the contradiction between stability and component space availability.
Data Source
AI summary
A wireless communication terminal includes: a body; a touch panel on a front surface and having top and bottom edges longer than left and right edges; a battery storage space; a pen storage space; and a substrate. The battery storage space is between a center line and a bottom edge of the body. A center point of the battery storage space is within a belt-shaped area having a width of 2 cm that spreads in a left-right direction and including the center point of the front surface. The pen storage space is between a bottom edge of the substrate and a top edge of the battery storage space and has a longitudinal axis parallel to a top of the battery storage space. A wiring connecting power terminals of two batteries stored in the battery storage space to the substrate does not intersect the pen storage space.