Zone Antenna Mat Layout for Accurate Tag Entry Detection

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Solution Overview

Problem

Existing hand hygiene compliance systems face challenges when used with mobile patient transport devices, as they often result in unintentional triggering of zone entry events and require frequent battery replacements, leading to inefficiencies and inconsistencies in detection zone size and location.

Innovation Solution

A zone antenna system comprising a zone antenna mat with a low profile, configured to be mounted flat against a surface, and a zone beacon unit that establishes a wireless detection zone, detects entry of electronic tags, and stores or transmits entry event data, allowing for semi-permanent installation and reducing the need for battery maintenance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a zone antenna system is mounted on mobile patient transport devices, then hand hygiene compliance can be monitored at the point of care, but unintentional triggering of zone entry events occurs and battery replacement is required frequently

Engineering Contradiction:
Improvehand hygiene compliance monitoringVSAvoidzone entry detection accuracy
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The system is divided into two distinct deployment options: mobile antennas attached to patient transport devices and semi-permanent floor-mounted antennas. This segmentation allows the system to serve different use cases with appropriate characteristics - mobile for portability and semi-permanent for stability and reduced false positives.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Electronic tags worn by healthcare workers serve as intermediaries between the zone antenna system and the compliance monitoring function. The tags detect zone entries and communicate this information to the system, enabling accurate tracking of hand hygiene compliance without requiring direct integration with transport devices.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Ease of operation

If a zone antenna system is mounted on mobile patient transport devices, then hand hygiene compliance can be monitored at the point of care, but battery replacement is required frequently

Engineering Contradiction:
Improvehand hygiene compliance monitoringVSAvoidbattery maintenance time
Core Design Contradiction:
Ease of operationVSLoss of time

Solution Approach 1:

The system separates mobile deployment (with battery requirements) from semi-permanent deployment (with continuous power). This allows facilities to choose the deployment type that best matches their operational needs and power infrastructure availability.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The semi-permanent floor-mounted system serves itself by utilizing existing facility power infrastructure, eliminating the need for battery installation, monitoring, and replacement. The system becomes part of the building infrastructure rather than a portable device requiring maintenance.

Inventive Principle:
Principle #25Self-service

3Reliability

If a zone antenna system uses semi-permanent installation, then battery-related issues are reduced, but the system complexity increases

Engineering Contradiction:
Improveoperation continuityVSAvoidinstallation complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The system uses standardized antenna modules that can be replicated and deployed in multiple locations. This modular approach simplifies installation by using identical units throughout the facility, reducing the need for custom configurations and making maintenance easier.

Inventive Principle:
Principle #26Copying

Solution Approach 2:

The system replaces mechanical battery-based power delivery with electrical power delivery through existing facility infrastructure. This substitution eliminates moving parts and battery-related maintenance while integrating the antenna system into the building's existing electrical and network infrastructure.

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

4Measurement precision

If the detection zone size is optimized for each location, then monitoring accuracy improves, but the system complexity increases

Engineering Contradiction:
Improvecompliance detection accuracyVSAvoidconfiguration complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The system allows adjustment of detection zone parameters such as size, shape, and sensitivity thresholds to optimize performance for specific locations. These parameters can be configured through software without changing the physical hardware, enabling flexible adaptation to different clinical environments.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The antenna system is designed with universal characteristics that allow it to function effectively across multiple locations with different requirements. Standardized hardware combined with configurable software parameters enables the same system to adapt to various zone sizes and monitoring needs without requiring location-specific customizations.

Inventive Principle:
Principle #6Universality (Multi-functionality)

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 zone antenna system provides a reliable and sustainable solution for monitoring hand hygiene compliance by minimizing unintentional zone entries, reducing battery-related issues, and optimizing detection zone size and location, thus enhancing compliance monitoring efficiency.

Implementation Method 1

an antenna layer disposed between the first and second substantially planar substrates and configured to transmit a near-field radio frequency detection zone message and generate a corresponding detection zone

Methodology Applied
Scientific EffectNear-field radio frequency transmission: Electromagnetic Induction

Data Source

PatentUS20250190727A1Zone antenna system
Publication Date: 2025.06.12 ECOLAB USA INC
  • US20250190727A1 patent drawing
  • US20250190727A1 patent drawing
  • US20250190727A1 patent drawing

AI summary

A zone antenna system includes a zone antenna mat including a substantially planar zone antenna and a zone beacon unit configured to establish a detection zone and detect presence of an electronic tag in the detection zone. The zone antenna system may form part of a compliance monitoring system in which presence of the electronic tag the detection zone is part of a monitored process. The zone antenna system establishes a detection zone, detects entry of one or more electronic tags into the detection zone, and stores and/or wirelessly transmits entry event data corresponding to one or more detected entry events for receipt by a remote or local computing device.