Elevator Text Communication System for Alarm Response
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Solution Overview
Problem
Current elevator communication systems primarily rely on voice communication for responding to alarm conditions, which can be inefficient and do not support text-based interactions between passengers and dispatch centers, leading to increased wait times and operational costs.
Innovation Solution
Implementing a communication system within elevator cars that allows for text communication sessions to be initiated in response to alarm signals, enabling text-based interactions between passengers and dispatch centers, and potentially with technicians, using input devices with voice-to-text functionality and display devices for message exchange.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If voice communication is used for alarm response, then communication can be initiated quickly, but communication efficiency is low and wait times are increased
Solution Approach 1:
The patent replaces voice-based acoustic communication with text-based digital communication through a communication system that displays messages and accepts text input. This substitution enables simultaneous handling of multiple alarm calls, significantly improving communication efficiency and reducing wait times compared to sequential voice interactions.
2Productivity
If voice communication is used, then simple alarm response is possible, but multiple dispatch personnel cannot handle multiple passengers simultaneously
Solution Approach 1:
The communication system serves multiple functions: it can simultaneously handle multiple alarm calls from different elevators, display text messages to passengers, accept text or voice-to-text input, and route communications to multiple dispatch personnel. This multi-functionality enables parallel processing of multiple emergencies without proportionally increasing system complexity.
3Ease of operation
If text communication is implemented, then communication efficiency improves, but device complexity increases
Solution Approach 1:
The communication system acts as an intermediary between the alarm signal and the dispatch personnel, automatically initiating text-based communication sessions and managing the interaction flow. This intermediary function simplifies the user experience while managing the underlying complexity of simultaneous multiple communications and voice-to-text conversion.
4Adaptability or versatility
If voice communication is used, then real-time interaction is possible, but accessibility for hearing impaired is limited
Solution Approach 1:
The system changes the communication parameter from acoustic voice signals to visual text displays. This parameter change makes the communication accessible to hearing-impaired passengers while preserving complete information exchange through text, eliminating the information loss that would occur with voice-only communication.
Data Source
AI summary
A method to communicate with a passenger in a car within a transportation system includes receiving an alarm signal from the car, and initiating a text communication session via a communication system associated with the car in response to the alarm signal.