Reading Apparatus Reflective Elements Contain Radio Waves

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Solution Overview

Problem

Conventional reading apparatuses for commodities in grocery stores face issues with radio wave leakage, leading to incorrect reading of wireless tags outside the storage container, causing misidentification and improper settlement processing.

Innovation Solution

The reading apparatus is designed with a container having reflective elements on its side walls, which reflect radio waves back inside, preventing leakage and ensuring that only the wireless tag within the container is read by the antenna.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If the antenna transmits radio waves to read wireless tags, then the reading capability is improved, but radio waves leak out to the outside of the storage container causing incorrect reading of external tags

Engineering Contradiction:
Improvereading accuracyVSAvoidradio wave leakage
Core Design Contradiction:
Measurement precisionVSObject-generated harmful factors

Solution Approach 1:

The patent applies the principle of converting harm into benefit by using reflective elements to redirect the harmful radio wave leakage back into the storage container. Instead of allowing radio waves to escape and cause incorrect readings of external tags, the reflective elements on the side walls bounce the radio waves back inside, transforming the harmful leakage into a beneficial containment mechanism that improves reading accuracy while maintaining the antenna's transmission capability

Inventive Principle:
Principle #22Blessing in disguise (Convert harm into benefit)

Solution Approach 2:

The patent implements preliminary anti-action by pre-installing reflective elements on the side walls of the storage container before the radio wave leakage problem occurs. These reflective elements are positioned in advance to intercept and redirect radio waves that would otherwise leak out, creating a preventive barrier that stops the harmful effect before it can cause incorrect tag readings

Inventive Principle:
Principle #9Preliminary anti-action

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 configuration effectively reduces radio wave leakage, preventing the reading of external wireless tags and ensuring accurate identification and settlement processing of commodities within the container.

Implementation Method 1

a plurality of reflective elements arranged in the side walls so that the radio waves radiated from the antenna and reflected by the reflective elements do not leak through the opening to the outside

Methodology Applied
Scientific EffectReflection: Reflection

Data Source

PatentUS10872210B2Reading apparatus
Publication Date: 2020.12.22 TOSHIBA TEC KK
  • US10872210B2 patent drawing
  • US10872210B2 patent drawing
  • US10872210B2 patent drawing

AI summary

A reading apparatus is configured to communicate with a wireless tag attached to an object. The reading apparatus includes a container having a plurality of side walls and an opening such that the object can be placed through the opening, an antenna at a bottom of the container, configured to transmit and receive radio waves to and from the wireless tag, and a plurality of reflective elements arranged in the side walls so that the radio waves radiated from the antenna and reflected by the reflective elements do not leak through the opening to the outside.