Voice Terminal RFID Integration for Hands-Free Inventory

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Solution Overview

Problem

Current voice-directed systems in product management and inventory management face inefficiencies due to the need for manual verification of product locations and information, which can lead to inaccuracies and increased costs, as workers must read and speak slot codes, product information, and use additional devices like scanners, hindering hands-free operation and requiring periodic manual cycle counts.

Innovation Solution

Integration of RFID technology into voice-directed systems, allowing for context-driven RFID reads that automatically verify worker location and capture product information within the speech dialog, eliminating the need for manual input and reducing errors, while enabling hands-free and eyes-free operation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If manual verification of slot codes and product information is used, then workers can verify location accuracy, but operation speed decreases and error rates increase

Engineering Contradiction:
Improvelocation verification accuracyVSAvoidoperation speed
Core Design Contradiction:
Measurement precisionVSProductivity

Solution Approach 1:

The patent replaces manual mechanical verification processes with automated RFID technology. Workers no longer need to manually read slot codes and speak product information; instead, RFID readers automatically capture location and product data through wireless signals, eliminating the mechanical interaction bottleneck while maintaining verification accuracy.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The system enables self-verification through RFID tags that automatically transmit location and product information without human intervention. The tags themselves provide the verification data, allowing the system to self-check worker location and product accuracy without requiring manual input from workers.

Inventive Principle:
Principle #25Self-service

2Loss of information

If workers use scanners and manual input devices, then data capture capability is enhanced, but hands-free operation is compromised

Engineering Contradiction:
Improvedata capture completenessVSAvoidhands-free operation capability
Core Design Contradiction:
Loss of informationVSEase of operation

Solution Approach 1:

The wearable terminal device integrates multiple functions into a single unit: voice recognition for data entry, RFID reading for automatic product identification, and wireless communication for data transmission. This multi-functional device replaces scanners, keyboards, and other separate input devices, enabling complete hands-free operation while maintaining comprehensive data capture capabilities.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent replaces mechanical input devices like scanners and keyboards with voice-based and wireless RFID-based input methods. Workers speak product information into the wearable terminal while RFID readers simultaneously capture product data, eliminating the need for physical device manipulation while ensuring complete data capture.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Reliability

If periodic manual cycle counts are performed, then inventory accuracy is maintained, but operational time and costs increase

Engineering Contradiction:
Improveinventory accuracyVSAvoidcycle count duration
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The RFID-based system provides continuous, real-time tracking of inventory as workers move through the warehouse. Instead of periodic interruptions for manual cycle counts, the system continuously captures product location and movement data through RFID tags, maintaining inventory accuracy without stopping workflow and eliminating the need for separate cycle count operations.

Inventive Principle:
Principle #20Continuity of useful action

Solution Approach 2:

The patent replaces manual inventory counting processes with automated RFID reading technology. As workers handle products, RFID readers automatically capture and transmit product information to the central system, continuously updating inventory records without requiring manual intervention or periodic cycle counts, thereby maintaining accuracy while eliminating time loss.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

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

Enhances accuracy and efficiency by automating location verification and data capture, preventing worker errors and reducing operational costs by streamlining the workflow and eliminating the need for manual cycle counts.

Implementation Method 1

Integration of RFID technology into voice-directed systems, allowing for context-driven RFID reads that automatically verify worker location and capture product information

Methodology Applied
Scientific EffectRFID (Radio Frequency Identification): Electromagnetic Induction

Data Source

PatentEP2479749B1A terminal device for voice-directed work and information exchange
Publication Date: 2019.12.04 VOCOLLECT INC
  • EP2479749B1 patent drawingFigure 1
  • EP2479749B1 patent drawingFigure 2~3
  • EP2479749B1 patent drawingFigure 4~5A

AI summary

A device (10) is comprised of processing circuitry (52) operable for providing a speech interface to facilitate a speech dialog with a user or generate commands for a user. An RFID reader (54), operably coupled with the processing circuitry (52), is operable for reading data from an RFID tag (70). In one aspect, the reading occurs in the context of a speech dialog. In another aspect, the data is used to generate speech commands. In another aspect, information is stored to an RFID tag (70) during the speech dialog.