Smartphone Optical Control for Emergency Lighting Self-Diagnosis

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Solution Overview

Problem

Existing emergency lighting systems lack efficient remote control and maintenance capabilities, relying on manual and costly procedures that require specialized operators and are prone to errors, especially in situations where self-diagnosis instruments are absent.

Innovation Solution

A system utilizing smartphones with integrated diodes, LEDs, cameras, and light sensors to remotely control and diagnose emergency lighting apparatuses, enabling automatic fault detection, maintenance logbook management, and automated part requests, while minimizing environmental light interference through advanced signal modulation and directional optical manifolds.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If manual test procedures are used with traditional emergency lighting apparatus, then the system can be tested, but the testing requires specialized operators, significant execution time, and is prone to errors

Engineering Contradiction:
Improvetesting reliabilityVSAvoidoperation complexity
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The emergency lighting apparatus performs self-diagnosis and self-testing through automated procedures initiated by remote control signals. The apparatus autonomously executes test sequences, monitors its own functional components (battery, LED modules, circuitry), and generates diagnostic reports without requiring manual intervention or specialized operator knowledge, thereby improving reliability while simplifying operation.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

Manual mechanical testing procedures (physical button pressing, visual inspection of colored LEDs) are replaced by electronic/optical communication systems. The patent uses optical manifolds, light sensors, and wireless communication to transmit test commands and receive diagnostic data, substituting mechanical interaction with automated electronic systems that reduce human error and operational complexity.

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

2Measurement precision

If specialized operators perform manual tests, then accurate diagnosis can be achieved, but operational costs and time consumption increase

Engineering Contradiction:
Improvefault diagnosis accuracyVSAvoidtesting time
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The apparatus autonomously performs comprehensive diagnostic routines, testing battery charge levels, LED module functionality, circuit integrity, and other critical parameters. The self-diagnosis system generates detailed fault reports with precise identification of defective components, achieving high measurement precision while eliminating the time required for manual operator intervention and interpretation.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system performs preliminary automated assessments continuously or on scheduled intervals, maintaining an up-to-date status of all functional components. This preliminary action ensures that when a fault occurs, the system has already identified and logged the issue, providing immediate diagnostic information without requiring time-consuming manual investigation.

Inventive Principle:
Principle #10Preliminary action

3Adaptability or versatility

If traditional remote control methods are used, then basic control functions can be achieved, but comprehensive maintenance management and cloud-based logbook functionality are not available

Engineering Contradiction:
Improvemaintenance management capabilityVSAvoidsystem structure
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent integrates multiple functions into a unified system: remote control of lighting operations, initiation of diagnostic routines, real-time status monitoring, automated fault detection, maintenance scheduling, and cloud-based logbook management. The apparatus serves as both a lighting device and a diagnostic/communication node, achieving comprehensive maintenance management capability through multi-functional integration that manages complexity through standardized protocols and modular architecture.

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

Facilitates rapid, precise, and safe periodic maintenance of emergency lighting systems, allowing non-specialized users to perform checks and programming, reducing manual intervention and operational costs while ensuring system reliability and safety.

Implementation Method 1

an optical manifold for directing so that it can be controlled by means of an appropriately regulated and constituted luminous signal coming from a smartphone

Methodology Applied
Scientific EffectOptical focusing: Focusing

Implementation Method 2

The emergency lighting apparatus further integrates an LED module subject to the control of a logical circuit so as to generate digital optical signals directed towards a receiver apparatus and captured thereby by means of the optical devices integrated therein

Methodology Applied
Scientific EffectPhotoelectric detection: Photoelectric Effect

Data Source

PatentEP3414977B1Apparatus and method for remote control of lighting equipments
Publication Date: 2023.01.11 BEGHELLI SPA
  • EP3414977B1 patent drawingFigure 1
  • EP3414977B1 patent drawingFigure 2
  • EP3414977B1 patent drawingFigure 3

AI summary

An apparatus (11) for the remote control of lighting apparatuses, in particular emergency lighting apparatuses (12), comprising a transmitter apparatus provided with at least one light source having controlled activation, a receiver device used as a receiver of digital optical signals (16), which integrates a control, programming and management system managed by a software program (14), and a lighting apparatus (12), which incorporates a receiving circuit comprising a receiver photosensor (13); the transmitter apparatus is constituted by a smartphone (11), which actuates optical commands directed at the lighting apparatus (12), in a form of encoded luminous messages or intensity- and duration-controlled sequences of light variations according to a specific optical code and at different levels of luminosity, by means of a modulating process of the switching-on and the switching-off of the light source integrated in said smartphone (11).