Aircraft Reading Light with Sensor-Driven Orientation Control

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Solution Overview

Problem

Modern aircraft passenger reading lights lack automated focus adjustment and orientation changes responsive to passenger position, relying on manual operation which is inefficient and not suitable for luxury classes where AI-driven solutions are absent.

Innovation Solution

An automated light assembly system with a guide sensor and ambient sensor, coupled to a movement mechanism and controller, allowing the light to adjust direction and intensity based on passenger movement and ambient conditions, mimicking human-like adaptability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If manual operation is used for reading lights, then device complexity is reduced, but ease of operation and adaptability deteriorate

Engineering Contradiction:
Improveease of operationVSAvoiddevice complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The reading light system automatically detects passenger position using sensors and adjusts its orientation and illumination without requiring manual passenger intervention. The system serves itself by autonomously adapting to passenger needs, eliminating the need for manual operation while maintaining simplicity for the user.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

Manual mechanical adjustment of light orientation is replaced with an automated system using sensors, motors, and controllers. The mechanical system remains but is controlled electronically through sensor feedback, substituting manual mechanical operation with automated electromechanical control.

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

2Adaptability or versatility

If automated focus adjustment is added, then adaptability improves, but device complexity increases

Engineering Contradiction:
ImproveadaptabilityVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The system uses sensors to detect passenger position and provides feedback to a controller, which then adjusts the light orientation accordingly. This closed-loop feedback mechanism enables automatic adaptation to passenger position while managing complexity through intelligent control rather than purely mechanical means.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The reading light system integrates multiple functions including position detection, automatic orientation adjustment, and illumination control into a single unified system. This multi-functionality approach consolidates what could be separate complex systems into one integrated unit, improving adaptability while controlling overall complexity.

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

3Adaptability or versatility

If AI-driven solutions are implemented, then adaptability improves, but device complexity and cost increase

Engineering Contradiction:
ImproveadaptabilityVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

AI-driven automated control replaces manual mechanical adjustment systems. The patent implements sensor-based detection and motor-controlled adjustment that mimics intelligent behavior without requiring full AI complexity, substituting mechanical manual operation with automated electromechanical systems that provide adaptive functionality.

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

4Adaptability or versatility

If manual light positioning is used, then manufacturing precision requirements are reduced, but adaptability deteriorates

Engineering Contradiction:
ImproveadaptabilityVSAvoidmanufacturing precision
Core Design Contradiction:
Adaptability or versatilityVSManufacturing precision

Solution Approach 1:

The reading light system transitions from a static fixed-position design to a dynamic adjustable system. Motors enable the light to change orientation based on detected passenger position, providing adaptability through movement rather than requiring precise manufacturing of multiple fixed positions. The system adapts dynamically rather than relying on pre-manufactured precision positioning options.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentEP4265520A1Reading light
Publication Date: 2023.10.25 GOODRICH LIGHTING SYSTEMS INC
  • EP4265520A1 patent drawingFigure 1A
  • EP4265520A1 patent drawingFigure 1B
  • EP4265520A1 patent drawingFigure 1C

AI summary

A light assembly includes a mounting bracket (102), a light (108) coupled to the mounting bracket, a guide sensor (104) coupled to the mounting bracket, a movement mechanism (200) coupled to the mounting bracket, and a controller operably coupled to the light assembly. The controller (300) is configured to receive data from the guide sensor and command actuation of the movement mechanism in response to the data received from the guide sensor.