Voice-Based Delivery Completion Recognition for Manual Scan-Free Handoffs

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Solution Overview

Problem

Existing delivery systems require manual registration of delivery completion by delivery personnel, which is burdensome and can lead to errors, resulting in inefficient delivery processes and extra man-hours for follow-ups.

Innovation Solution

A delivery support system that analyzes voice data from conversations between delivery personnel and customers to automatically recognize delivery completion and notify a server, eliminating the need for manual registration.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If manual registration of delivery completion is required, then delivery system can track delivery status, but delivery personnel burden increases and delivery efficiency decreases

Engineering Contradiction:
Improvedelivery status tracking accuracyVSAvoiddelivery task efficiency
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The delivery completion recognition unit automatically detects and registers delivery completion status by analyzing voice data from the delivery scene, enabling the system to self-record delivery information without requiring manual input from delivery personnel. This eliminates the burden of manual registration while maintaining accurate delivery status tracking.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent replaces the mechanical manual operation of terminal devices with automatic voice-based recognition and analysis. The delivery completion recognition unit processes voice data to automatically determine delivery completion, substituting the need for physical terminal operations with automated acoustic signal processing.

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

2Loss of information

If manual registration is used, then delivery information can be recorded, but delivery personnel may forget to register leading to inaccurate delivery time recording

Engineering Contradiction:
Improvedelivery time recording accuracyVSAvoidregistration operation simplicity
Core Design Contradiction:
Loss of informationVSEase of operation

Solution Approach 1:

The system performs preliminary voice data acquisition and analysis during the delivery process itself, capturing delivery completion information at the moment it occurs. This preliminary automatic recording ensures delivery time is accurately captured before any potential forgetting or manual registration errors can occur.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The notification unit provides feedback to the delivery system by automatically transmitting delivery completion information to the server. This closed-loop feedback mechanism ensures that delivery status is continuously updated without relying on manual registration, eliminating forgetting errors while maintaining operational simplicity.

Inventive Principle:
Principle #23Feedback

3Productivity

If manual terminal operation is required for delivery registration, then delivery system maintains control over delivery process, but extra man-hours are spent on follow-up activities

Engineering Contradiction:
Improvedelivery task efficiencyVSAvoidfollow-up time consumption
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

The delivery support device automatically performs delivery registration and notification functions without requiring manual terminal operations. The system self-manages the delivery recording process, eliminating the need for follow-up activities to verify or correct manual registration omissions, thereby reducing both operational burden and follow-up time consumption.

Inventive Principle:
Principle #25Self-service

4Ease of operation

If voice data analysis is implemented for automatic delivery recognition, then manual registration burden is reduced, but system complexity increases

Engineering Contradiction:
Improveregistration operation simplicityVSAvoidvoice analysis system complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The delivery completion recognition unit serves as an intermediary component that bridges voice data acquisition and delivery status determination. This modular intermediary design isolates the complexity of voice analysis within a dedicated functional unit, maintaining ease of operation for the overall system while managing complexity through functional decomposition.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentEP4723006A1Delivery assistance device, delivery assistance server, delivery assistance system, delivery assistance method, and program
Publication Date: 2026.04.08 DENSO CORP
  • EP4723006A1 patent drawingFigure 1
  • EP4723006A1 patent drawingFigure 2~3
  • EP4723006A1 patent drawingFigure 4

AI summary

A in-vehicle process unit (25) of an in-vehicle device (9) supports a delivery person in a task of delivering a delivery item to a delivery destination. The in-vehicle process unit (25) analyzes voice data of conversation between the delivery person and a customer of the delivery destination or utterance of the delivery person when the delivery item is delivered, and recognizes that delivery of the delivery item is complete. Further, when recognizing that the delivery of the delivery item is complete, a delivery completion notification is sent to a predetermined notification target, such as a server (61) or the like.