Unmanned Vehicle Stop Positioning Within Camera Capture Range

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Solution Overview

Problem

Unmanned vehicles face safety concerns due to blind spots in omnidirectional cameras and potential theft of packages or vehicles, necessitating improved security measures.

Innovation Solution

The unmanned vehicle is equipped with a capturing device detection process to identify external capturing devices, a range identifying process to determine a stop position, and a movement control process to position the vehicle within the capture range of these devices, ensuring the vehicle's surface faces the device for secure package delivery.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the unmanned vehicle waits at a point near the building entrance for package delivery, then the delivery can be completed, but the vehicle and package become vulnerable to theft and damage

Engineering Contradiction:
Improvepackage securityVSAvoidtheft risk
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The system performs preliminary detection of external capturing devices before the vehicle stops to deliver the package. By identifying surveillance cameras or other capturing devices in advance, the vehicle can proactively position itself within their capture ranges, ensuring security monitoring is already in place before the vulnerable delivery moment occurs.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent introduces external capturing devices as intermediary elements between the unmanned vehicle and potential thieves. These devices serve as a mediating security layer that monitors the delivery process, allowing the vehicle to maintain distance while still ensuring secure delivery through the intermediary's surveillance capability.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If the unmanned vehicle uses an omnidirectional camera to monitor surroundings, then it can detect approaching persons, but blind spots remain at certain angles reducing safety

Engineering Contradiction:
Improvesurroundings monitoringVSAvoidblind spot vulnerability
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent merges the unmanned vehicle's own camera system with external capturing devices located in the environment. By combining multiple viewing angles from different sources (vehicle camera + external cameras), the system achieves complete 360-degree coverage that eliminates the blind spots inherent in single omnidirectional camera systems.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The system transitions from a single-point monitoring approach (vehicle-mounted camera) to a multi-point spatial distribution of capturing devices. By utilizing external cameras positioned at different locations and angles around the delivery area, the monitoring coverage extends across multiple spatial dimensions, eliminating blind spots through geometric distribution.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

3Ease of operation

If the unmanned vehicle stops at a fixed delivery point, then the package can be delivered, but the vehicle may be stolen or the box broken into

Engineering Contradiction:
Improvedelivery completionVSAvoidvehicle security
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The vehicle performs preliminary identification of secure stopping positions by detecting external capturing devices before execution of the delivery task. This preliminary action ensures that the vehicle only stops at locations with existing surveillance coverage, preemptively preventing theft or damage by ensuring monitoring is in place before the vehicle becomes stationary and vulnerable.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS12541202B2Unmanned vehicle and information processing method
Publication Date: 2026.02.03 RAKUTEN GROUP INC
  • US12541202B2 patent drawing
  • US12541202B2 patent drawing
  • US12541202B2 patent drawing

AI summary

An unmanned vehicle is configured to execute: a capturing device detection process that detects an external capturing device located at or around a delivery location where a package is to be received; a range identifying process that identifies a capture range of the external capturing device; a stop position determining process that determines, within the capture range of the external capturing device, a stop position of the unmanned vehicle at which the package is to be received; and a movement control process that stops the unmanned vehicle at the stop position.