Side-Mounted Indicator for Discreet Staff Alerts
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional passenger guide devices in aircraft do not effectively allow attendants to recognize passenger requests for assistance without disturbing other passengers, as the indication for calling staff is typically visible to both passengers and attendants, leading to inefficient communication.
Innovation Solution
A display apparatus with a frame surrounding a display unit and an indicator on the side of the frame, utilizing an LED light source embedded in a clear cover, which emits light upward and is only visible to attendants, allowing discreet recognition of passenger requests for assistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the indicator is placed on the display apparatus to be visible to passengers, then passengers can see it, but attendants cannot easily recognize passenger requests for assistance
Solution Approach 1:
The indicator is positioned on the side surface of the frame at a height above the display unit, creating a localized visibility zone that is accessible to attendants standing or walking by, while remaining out of the direct line of sight for seated passengers. This spatial differentiation of visibility quality resolves the contradiction between passenger awareness and attendant recognition.
2Reliability
If the indicator is made visible to call staff, then passenger requests can be recognized, but other passengers may be disturbed
Solution Approach 1:
The indicator's placement on the side of the frame creates a localized signal zone that is visible to attendants in the aisle but not to passengers seated in adjacent seats. This spatial localization ensures reliable staff notification while eliminating the harmful effect of disturbing other passengers.
3Measurement precision
If the indicator is positioned at a higher location, then attendants can recognize it easily, but it becomes harder for passengers to see
Solution Approach 1:
The indicator is positioned in the vertical dimension above the display unit and on the side surface, creating a three-dimensional spatial arrangement. This dimensional placement allows the indicator to be within the visual range of standing or walking attendants while remaining above and to the side of the seated passengers' line of sight, thus resolving the visibility contradiction.
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
Enables attendants to easily recognize passenger calls for assistance without disturbing other passengers, improving communication efficiency by ensuring the indicator is only visible from a higher vantage point, allowing timely response to passenger needs.
Implementation Method 1
utilizing an LED light source embedded in a clear cover, which emits light upward and is only visible to attendants
Data Source
AI summary
A seat monitor includes a display unit that displays various types of information, a frame provided so as to surround the display unit, and an indicator provided to call a staff. The indicator is disposed on a side portion of the frame.