Loop-Shaped Antenna Bending for Dual-Surface Wireless Communication
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Solution Overview
Problem
Existing information processing apparatuses with loop-shaped antennas can only perform wireless communication with non-contact type read targets if the target is brought close to the front surface, making it inconvenient for IC tags attached to articles, as communication cannot be confirmed without obstructing the display.
Innovation Solution
A loop-shaped antenna is bent to continue on both the front and back surfaces of the equipment case, allowing wireless communication with both surfaces, enabling communication with IC cards on the front and IC tags on the back without obstructing the display.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the loop-shaped antenna is provided on the front surface along the periphery of the display section, then wireless communication with IC cards can be performed while viewing the display, but wireless communication with IC tags cannot be performed without obstructing the display
Solution Approach 1:
The antenna configuration transitions from a two-dimensional planar layout on the front surface to a three-dimensional loop structure that extends through the case thickness. The loop-shaped antenna is bent to continue with one portion on the front surface side and other portion on the back surface side, enabling electromagnetic field generation on both surfaces simultaneously without requiring separate antenna systems.
2Adaptability or versatility
If a separate antenna is provided for front surface and back surface communication, then communication versatility is improved, but device complexity and component count increase
Solution Approach 1:
A single loop-shaped antenna structure performs multiple functions by generating electromagnetic fields on both the front and back surfaces of the case. The antenna serves dual purposes: communicating with IC cards on the front surface and IC tags on the back surface, eliminating the need for separate antenna systems while maintaining full communication versatility.
Solution Approach 2:
The patent combines what would traditionally require two separate antenna systems into one integrated loop-shaped antenna. The continuous loop structure, bent to span both surfaces, merges the front surface antenna function and back surface antenna function into a single unified component, reducing complexity and component count.
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 allows convenient and reliable wireless communication with both the front and back surfaces of the equipment case using a single antenna, reducing component count and making the apparatus more user-friendly and efficient.
Implementation Method 1
performs wireless communication in a non-contact state with a non-contact type read target medium, such as an IC card or an IC tag, by a magnetic field generated in the antenna
Data Source
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AI summary
An information processing apparatus of the present invention includes a case (1) having a loop-shaped antenna (7, 20) provided therein , in which the antenna (7, 20) is bent by a bending portion (15, 23) to continue in a loop shape with its one portion (13, 21) positioned on the front surface side of the case and the other portion (14, 22) positioned on the back surface side of the case (1).