Fall Protection Connection Sensors for Automated Compliance Verification

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Solution Overview

Problem

Existing safety equipment compliance monitoring is difficult due to the challenge of verifying use and connection status without physical inspection, especially in environments with multiple workers using different types of equipment.

Innovation Solution

A fall protection compliance system using a connector with a connection sensor assembly, including a magnetometer and processor, to detect the presence or absence of a ferromagnetic material and an identification element, providing visual, audio, and tactile indications, and transmitting connection status to a remote device.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If physical inspection is used to verify safety equipment compliance, then measurement precision is improved, but productivity deteriorates due to the time-consuming nature of manual inspections

Engineering Contradiction:

Improvecompliance verification accuracyVSAvoidinspection efficiency

Core Design Contradiction:

Measurement precisionVSProductivity

Solution Approach 1:

The patent replaces manual physical inspection with automated sensor systems including magnetometers, RFID readers, and pressure sensors that automatically detect connection status, equipment presence, and usage compliance without requiring human inspectors to physically examine each worker's safety equipment

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The safety equipment itself performs compliance verification through integrated sensors and controllers that automatically monitor connection status, detect proper usage, and transmit compliance data without external inspection, making the equipment self- verifying

Inventive Principle:

Principle #25Self-service

2Adaptability or versatility

If multiple workers use different types of safety equipment simultaneously, then adaptability is improved, but device complexity increases making monitoring more difficult

Engineering Contradiction:

Improveequipment compatibilityVSAvoidmonitoring system complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The monitoring system is designed with universal sensors and controllers that can detect and monitor multiple types of safety equipment (harnesses, lanyards, anchor points) using the same technological platform, allowing different equipment types to be monitored through a unified system rather than requiring separate monitoring solutions for each equipment type

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent introduces RFID tags and magnetic identifiers as intermediary elements attached to various safety equipment pieces, which serve as universal communication interfaces between different equipment types and the monitoring system, simplifying the detection and identification of diverse equipment without increasing system complexity

Inventive Principle:

Principle #24Intermediary (Mediator)

3Reliability

If continuous monitoring of all workers is implemented, then reliability is improved, but use of energy increases due to constant sensor operation and data transmission

Engineering Contradiction:

Improvecompliance monitoring reliabilityVSAvoidsensor system energy consumption

Core Design Contradiction:

ReliabilityVSUse of energy by moving object

Solution Approach 1:

The monitoring system employs periodic sampling of sensor data rather than continuous monitoring, where sensors check connection status and equipment presence at regular intervals, maintaining reliable compliance detection while reducing energy consumption by keeping sensors in low-power states between measurements

Inventive Principle:

Principle #19Periodic action

Solution Approach 2:

The system uses feedback mechanisms where the controller adjusts monitoring intensity based on detected conditions, increasing sampling frequency when changes are detected and reducing frequency during stable periods, thereby maintaining reliability while optimizing energy usage dynamically

Inventive Principle:

Principle #23Feedback

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

The system effectively monitors and records the connection and disconnection of safety equipment, ensuring compliance and storing data for remote monitoring, enhancing safety and compliance verification.

Implementation Method 1

at least one permanent magnet configured for generating a magnetic field within at least a portion of the connection area, at least one magnetometer configured for detecting a presence or an absence of a disturbance in the magnetic field

Methodology Applied

Scientific EffectMagnetic field detection: Magnetic Field

Data Source

PatentUS20250325852A1Fall Protection Compliance System and Method

Publication Date: 2025.10.23 MSA TECHNOLOGY LLC

AI summary

A fall protection compliance system includes a fall limiting device connected to an anchor. The fall limiting device comprises a connection device and a sensor system associated with the connection device. The sensor system is configured to determine whether a connector is connected to the connection device and to transmit a signal based on detecting that the connector is connected to the connection device, where operation of a machine associated with the anchor is controlled based on the signal.