RF Addressable Device Location Verification
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Solution Overview
Problem
In fire safety systems, verifying the correct installation location and operational status of remote addressable devices without requiring additional workers at the central controller is challenging, especially when wireless connectivity is unavailable, leading to increased time and labor costs.
Innovation Solution
A system and method utilizing RF transceivers and sensors to encode and transmit device-specific configuration data, including address and physical location, allowing for autonomous verification of device installation and operation without the need for a second technician, using RF MEMS chips and mobile devices to detect and decode these signals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual device location verification is performed using two technicians communicating verbally, then verification accuracy is improved, but time consumption and labor costs increase significantly
Solution Approach 1:
The patent replaces the mechanical/manual verification process with an automated electronic system. RF transceivers and sensors automatically detect device locations and communicate with the central controller, eliminating the need for manual verification by technicians while maintaining verification accuracy.
Solution Approach 2:
The system enables self-verification where the fire safety devices automatically transmit their location information via RF signals to the central controller. The base units automatically receive and process these signals, eliminating the need for human intervention in the verification process.
2Productivity
If a single technician performs verification by manually activating devices and traveling to the central controller, then labor costs are reduced, but verification time and travel requirements increase
Solution Approach 1:
The patent replaces the physical travel and manual activation process with wireless RF communication. Devices automatically transmit their status and location information electronically to the central controller, eliminating the need for technicians to physically travel between locations.
Solution Approach 2:
The patent introduces RF transceivers and base units as intermediary components that facilitate automatic communication between remote devices and the central controller. These intermediaries handle the verification process electronically, replacing the need for manual technician intervention and travel.
3Productivity
If remote addressable devices are installed without automated verification, then installation speed is improved, but location accuracy and system reliability deteriorate
Solution Approach 1:
The patent implements preliminary automated verification during the installation process itself. As devices are installed in their final locations, they automatically transmit their location information via RF signals to the central controller, verifying correct placement before the installation process completes.
Solution Approach 2:
The system provides immediate feedback through automated RF communication. When devices are installed, they automatically send their location data to the central controller, which can immediately verify whether the devices are in the correct locations, providing real-time confirmation of installation accuracy.
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
This approach ensures accurate verification of device location and operation, reduces validation time, and lowers labor costs by enabling single-technician verification and eliminating the need for manual travel between devices and central controllers.
Implementation Method 1
Each remote addressable device includes a radio frequency (RF) transceiver to transmit a RF signal encoded with an address and a physical location of the remote addressable device transmitting the RF signal
Implementation Method 2
Each base of the plurality of bases includes a RF sensor for receiving the RF signal from the RF transceiver of the corresponding remote addressable device
Data Source
AI summary
A system includes a plurality of remote addressable devices, each remote addressable device of the plurality of remote addressable devices being individually programmed with configuration data of the respective addressable device. Each remote addressable device includes a radio frequency (RF) transceiver to transmit a RF signal encoded with an address and a physical location of the remote addressable device transmitting the RF signal. The system further includes a plurality of bases. Each base of the plurality of bases includes a RF sensor for receiving the RF signal from the RF transceiver of the corresponding remote addressable device subsequent to the remote addressable device being positioned in the base.