Authoritative Item Identification System for Inventory Consistency

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Solution Overview

Problem

In distribution systems, the manual matching of received units to inventory items can lead to inconsistencies between physical inventory and inventory models, causing errors and negative customer experiences due to non-unique physical identifiers across different items.

Innovation Solution

The implementation of an authoritative item identification system that generates and utilizes authoritative identifiers based on usage rates of physical identifiers, ensuring accurate item identification and reducing the need for manual matching by enforcing policies that require agents to electronically obtain matching identifiers.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If manual matching of received units to inventory items is used, then operational flexibility is maintained, but errors occur and consistency between physical inventory and inventory models deteriorates

Engineering Contradiction:

Improveoperational flexibilityVSAvoidconsistency between physical inventory and inventory models

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The patent replaces manual mechanical matching processes with an automated electronic identification system using barcodes or RFID tags. The system automatically scans identifiers on received units and electronically matches them to inventory items, eliminating human error while maintaining operational efficiency. This substitution of manual operations with automated electronic systems resolves the contradiction by improving reliability without significantly reducing ease of operation.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The system enables self-service identification where the inventory system automatically identifies and matches received units without requiring manual intervention. The automated scanning and matching processes occur independently, with the system serving itself to maintain consistency between physical and recorded inventory, thereby improving reliability while keeping operations simple.

Inventive Principle:

Principle #25Self-service

2Device complexity

If non-unique physical identifiers are used across different items, then device complexity is reduced, but measurement precision of item identification deteriorates

Engineering Contradiction:

Improveidentifier system complexityVSAvoiditem identification accuracy

Core Design Contradiction:

Device complexityVSMeasurement precision

Solution Approach 1:

The patent segments the identification process into multiple stages: first capturing the physical identifier (barcode/RFID), then using electronic systems to resolve ambiguities and match to unique inventory items. This segmentation allows simple physical identifiers to coexist with sophisticated electronic matching, achieving both low device complexity and high measurement precision.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The patent introduces an intermediary electronic identification system that acts as a mediator between simple physical identifiers and unique inventory items. This intermediary layer (electronic scanning and matching systems) resolves the ambiguity of non-unique physical identifiers, enabling accurate item identification without requiring complex identifiers on the physical items themselves.

Inventive Principle:

Principle #24Intermediary (Mediator)

3Measurement precision

If automated identification systems are implemented, then measurement precision of item identification is improved, but device complexity increases

Engineering Contradiction:

Improveitem identification accuracyVSAvoididentification system complexity

Core Design Contradiction:

Measurement precisionVSDevice complexity

Solution Approach 1:

The patent implements a universal identification system that handles multiple functions: identifying items during receiving, tracking inventory movements, and maintaining consistent records. This multi-functionality consolidates what would otherwise require multiple separate systems into one integrated solution, improving measurement precision while limiting the increase in device complexity through functional consolidation.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Data Source

PatentUS9754235B1System and method for authoritative item identification based on facility operations

Publication Date: 2017.09.05 AMAZON TECH INC

AI summary

Various embodiments of a system and method for authoritative item identification based on facility operations are described. Embodiments may include an authoritative item identification component configured to, for each particular item of multiple items in inventory of a materials handling facility, determine multiple identifiers for the particular item, where one or more of the multiple identifiers are electronically obtained from a unit of the particular item during operations of the materials handling facility. The authoritative item identification component may, for each of the multiple identifiers, determine a quantity of instances in which that identifier was electronically obtained from a given unit of the particular item. The authoritative item identification component may, based on a statistical analysis of the quantities, determine one of the multiple identifiers as being an authoritative identifier for the particular item. The authoritative item identification component may identify one or more units based on the authoritative identifiers.