Access Control Locator Signals for Faster Apparatus Identification

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Solution Overview

Problem

Locating access control apparatuses within an access control system is time-consuming for technicians, especially when the installation is not well-documented or when the technician is not the original installer.

Innovation Solution

A method involving the transmission of a signal through wired connections to access control apparatuses, causing them to emit sounds or lights, enabling easier identification and location within a controlled space.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Difficulty of detecting and measuring

If technicians locate access control apparatuses by walking around the building swiping cards, physically tracing wires, or using telecom tone generators, then the access control apparatuses can be located, but the process is very time consuming

Engineering Contradiction:
ImproveDifficulty of locating access control apparatusesVSAvoidTime required for maintenance or modification tasks
Core Design Contradiction:
Difficulty of detecting and measuringVSLoss of time

Solution Approach 1:

The access control apparatuses emit colored lights (e.g., green LED) to indicate their location and status. This visual signaling allows technicians to quickly identify and locate apparatuses without manually searching through the building, directly reducing the time required for maintenance tasks.

Inventive Principle:
Principle #32Color changes

Solution Approach 2:

The system uses acoustic signals including audible beeps and ultrasonic emissions to help locate access control apparatuses. The audible signals provide immediate feedback to technicians, while ultrasonic emissions can be detected remotely, enabling faster identification of apparatus locations compared to traditional manual methods.

Inventive Principle:
Principle #18Mechanical vibration

2Adaptability or versatility

If each controller supports a maximum number of access control apparatuses, then the controller capacity is defined, but locating specific apparatuses becomes more difficult as the number increases

Engineering Contradiction:
ImproveController capacity to support multiple apparatusesVSAvoidDifficulty of identifying specific apparatuses
Core Design Contradiction:
Adaptability or versatilityVSDifficulty of detecting and measuring

Solution Approach 1:

The system segments the locating process by allowing individual access control apparatuses to respond independently to controller commands. Each apparatus can be individually addressed and instructed to emit locating signals, enabling technicians to identify specific apparatuses even within large systems with many devices.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The controller provides feedback by transmitting identification signals through the wired connection to specific apparatuses, causing them to emit audible or visual responses. This targeted feedback mechanism allows technicians to locate individual apparatuses within the larger system without confusion, maintaining ease of identification regardless of total apparatus count.

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

Facilitates quicker and more efficient identification of access control apparatuses by using audible and visual cues, reducing the time required for maintenance or modification tasks.

Implementation Method 1

performing a response by one of the first access control apparatus and the second access control apparatus, the response including at least one of: emitting a sound and emitting a light

Methodology Applied
Scientific EffectElectroacoustic conversion:

Implementation Method 2

performing a response by one of the first access control apparatus and the second access control apparatus, the response including at least one of: emitting a sound and emitting a light

Methodology Applied
Scientific EffectElectroluminescence:

Data Source

PatentEP3846138B1Access control apparatus locator
Publication Date: 2025.12.03 HONEYWELL INTERNATIONAL INC
  • EP3846138B1 patent drawingFigure 1
  • EP3846138B1 patent drawingFigure 2

AI summary

A method for locating at least one access control apparatus (110, 120) within an access control system (100) is provided. The method includes transmitting, through a wired connection (111, 121), the wired connection (111, 121) being between a controller (130) and at least one access control apparatus (110, 120), a signal comprising at least one access control apparatus instruction to at least one of a first access control apparatus (110) and a second access control apparatus (120), and performing at least one response (112, 122) (e.g. emitting a sound and/or light) by at least one of the first access control apparatus (110) and the second access control apparatus (120). The signal, in certain instances, may be sent from the controller (130) (e.g. initiated by software installed on the controller (130)), or from a handheld device (150) (e.g. patching into the wired connection (111, 121)). By performing this response (112, 122), a user (200) is more easily able to locate at least one of the first access control apparatus (110) and the second access control apparatus (120).