Elevator Communication Gateway Analog Digital Integration
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Solution Overview
Problem
Elevator communication systems lack a unified solution for both digital and analog transmissions, limiting their ability to provide comprehensive communication services during interruptions and malfunctions, especially in facilitating remote diagnostics and multiple sessions.
Innovation Solution
A communication gateway device equipped with both digital and analog cellular interfaces, as well as digital and analog wired telephone interfaces, enabling seamless communication between elevator cars, call centers, and third-party devices through various transmission methods, including the use of analog-to-digital converters for enhanced functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a unified communication gateway supporting both digital and analog transmissions is implemented, then communication versatility and service reliability are improved, but device complexity increases
Solution Approach 1:
The communication gateway is designed with multi-functionality to handle both digital and analog transmissions through a single device. The gateway includes digital communication interfaces (Ethernet, Wi-Fi, cellular) and analog communication interfaces (PSTN telephone lines), along with analog-to-digital converters, enabling it to perform multiple communication functions simultaneously and adapt to different transmission requirements within one unified system.
Solution Approach 2:
The analog-to-digital converter acts as an intermediary component that bridges the analog and digital communication domains. It converts analog signals from PSTN telephone lines into digital signals that can be processed by the gateway's digital communication interfaces, thereby enabling seamless integration between analog and digital transmission systems without requiring separate dedicated devices.
2Reliability
If multiple communication interfaces (digital and analog) are integrated into a single gateway, then communication reliability during elevator interruptions is improved, but ease of manufacture decreases
Solution Approach 1:
The gateway combines multiple communication interfaces (digital Ethernet, Wi-Fi, cellular, and analog PSTN) and their associated processing components into a single integrated device. This merging approach ensures that at least one communication path remains available during elevator interruptions or malfunctions, improving service continuity while consolidating manufacturing processes for a unified product rather than multiple separate devices.
Solution Approach 2:
The gateway is designed as a universal communication device that can operate across multiple transmission protocols and interfaces simultaneously. This multi-functionality ensures reliable communication regardless of which specific interface is available, while the standardized universal design facilitates streamlined manufacturing compared to producing multiple specialized single-function devices.
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
The gateway device facilitates efficient communication and remote intervention by supporting multiple sessions and various transmission types, enhancing service reliability and flexibility in elevator maintenance and operations.
Implementation Method 1
at least one of the analog cellular interface and the analog wired telephone interface includes at least one analog to digital converter
Data Source
AI summary
A communication gateway device to facilitate communication between at least one elevator car, a call center system, and a third party device includes a cellular communication interface including a digital cellular interface and an analog cellular interface, a wired telephone communication interface including a digital wired telephone interface and an analog wired telephone interface, and an elevator communication interface to send and receive an elevator communication to and from at least one elevator communication device associated with the at least one elevator car, the elevator communication interface associated with the cellular communication interface and the wired telephone communication interface to send and receive the elevator communication to and from at least one of the call center system and the third party device via at least one of the digital cellular interface, the analog cellular interface, the digital wired telephone interface, and the analog wired telephone interface.