Infant Detection in Vehicle Cabin Using Periodic Monitoring

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Solution Overview

Problem

Infants are at risk of health impairment or death due to being forgotten in parked vehicles, where rising temperatures can occur, and existing technologies lack effective methods to detect and alert for such situations.

Innovation Solution

A method that utilizes cabin monitoring systems and a data processing system to periodically wake up, acquire and analyze data for signs of a distressed infant, issuing an alarm if detected, and includes features like temperature monitoring and communication network alerts to ensure timely intervention.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If cabin monitoring systems and data processing systems remain continuously active to detect distressed infants, then detection reliability is improved, but energy consumption increases

Engineering Contradiction:
Improvedetection reliabilityVSAvoidenergy consumption
Core Design Contradiction:
ReliabilityVSUse of energy by moving object

Solution Approach 1:

The patent implements periodic wake-up cycles where monitoring systems transition between sleep and active states at defined intervals. During active periods, systems perform detection functions; during sleep periods, systems conserve energy. This periodic operation maintains detection capability while significantly reducing average power consumption compared to continuous operation.

Inventive Principle:
Principle #19Periodic action

Solution Approach 2:

The system performs preliminary checks during wake-up cycles to determine whether full monitoring activation is necessary. By checking basic conditions first and only activating intensive monitoring when needed, the system prepares detection capabilities in advance while avoiding unnecessary energy expenditure during low-risk periods.

Inventive Principle:
Principle #10Preliminary action

2Use of energy by moving object

If cabin monitoring systems are kept inactive in parked state to conserve energy, then energy consumption is reduced, but detection capability is lost

Engineering Contradiction:
Improveenergy consumptionVSAvoiddetection capability
Core Design Contradiction:
Use of energy by moving objectVSReliability

Solution Approach 1:

Instead of remaining continuously inactive, the monitoring systems implement periodic wake-up cycles during parked state. At defined time intervals, systems transition to active state, perform detection functions, then return to sleep mode. This ensures detection capability is maintained at intervals while minimizing energy consumption during extended parked periods.

Inventive Principle:
Principle #19Periodic action

3Measurement precision

If all cabin monitoring sub-systems are activated continuously, then measurement precision is improved, but device complexity and energy use increase

Engineering Contradiction:
Improvedetection accuracyVSAvoidsystem complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The monitoring system is divided into independent sub-systems (acoustic sensors, temperature sensors, image analysis modules) that can operate independently. During wake-up cycles, only necessary sub-systems are activated based on detection needs. This segmentation allows precise measurement when required while reducing overall system complexity and power requirements through selective activation.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentEP4459587A1Infant detection in vehicle cabin
Publication Date: 2024.11.06 VEONEER SWEDEN SAFETY SYST AB
  • EP4459587A1 patent drawingFigure 1
  • EP4459587A1 patent drawingFigure 2
  • EP4459587A1 patent drawingFigure 3~4

AI summary

A cabin of a vehicle (300) is monitored periodically to detect the presence of a distressed infant. If a distressed infant is detected, an alarm signal (31, 32) is issued.