Self-Configuring Alarm Network Decentralized Mesh Architecture

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Solution Overview

Problem

Existing alarm systems in dwellings are limited in alerting occupants to the location and nature of detected hazards, as they rely on local audible alarms and lack peer-to-peer communication, resulting in incomplete coverage and reduced effectiveness.

Innovation Solution

A self-configuring emergency event alarm network that dynamically interconnects alarm devices using a decentralized ad hoc or mesh architecture, allowing any node to act as a master and report alarms to all other nodes, and optionally to external response teams, using various communication technologies like RF or power line carrier for redundancy.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a centralized master-slave topology is used in integrated home protection systems, then alarm events can be reported to a central control unit, but the system fails to provide direction to occupants about the location of the hazard and requires extensive wiring

Engineering Contradiction:
Improvealarm event reportingVSAvoidwiring infrastructure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent replaces the mechanical wiring infrastructure with wireless communication technologies (RF, acoustic, optical, power line carrier) to enable alarm device interconnection and information exchange without physical cable connections, thereby reducing installation complexity while maintaining reliable alarm reporting

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

Solution Approach 2:

Instead of having all alarm devices report to a central master unit, the patent inverts the architecture to a decentralized peer-to-peer mesh network where any alarm device can act as a master and report hazard location information to all other nodes, eliminating the need for centralized control and extensive wiring

Inventive Principle:
Principle #13The other way round (Inversion)

2Measurement precision

If stand-alone autonomous alarms are installed in different locations, then each device can detect local hazards, but they do not alert other areas of the dwelling and lack peer-to-peer communication capability

Engineering Contradiction:
Improvehazard detection accuracyVSAvoiddwelling-wide alert coverage
Core Design Contradiction:
Measurement precisionVSReliability

Solution Approach 1:

The patent merges previously isolated stand-alone alarm devices into a unified peer-to-peer network where each device maintains its independent hazard detection capability while adding communication functions to share alarm information across the dwelling, achieving both precise local detection and reliable dwelling-wide coverage

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

Each alarm device in the patent is designed with multi-functionality, serving both as a hazard sensor and as a communication node that can receive, process, and relay alarm messages to other devices, thereby providing both precise detection and comprehensive alert coverage through a single integrated unit

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

3Ease of operation

If integrated home protection systems provide centralized control, then alarm management is streamlined, but the system does not provide indication of the nature and locus of the detected hazard

Engineering Contradiction:
Improvealarm managementVSAvoidhazard location and nature information
Core Design Contradiction:
Ease of operationVSLoss of information

Solution Approach 1:

The patent uses message packets as intermediaries that carry encoded information about hazard type, location, and severity between alarm devices and external monitoring systems, preserving detailed hazard information while maintaining ease of operation through standardized communication protocols

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent adds informational dimensions to alarm communications by encoding hazard nature and location data within message packets transmitted across the network, transforming simple alarm signals into rich information carriers that convey multiple parameters without complicating system operation

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Data Source

PatentUS7301455B2Self-configuring emergency event alarm network
Publication Date: 2007.11.27 LOCAL INTEREST LLC
  • US7301455B2 patent drawing
  • US7301455B2 patent drawing
  • US7301455B2 patent drawing

AI summary

The present self-configuring emergency event alarm network uses a decentralized (ad hoc or mesh) architecture that does not have a centralized “master” node. In this ad hoc network, any node is capable of behaving as if it were the “master node” by autonomously reporting the alarm event directly to all other nodes in the ad hoc network independent of where the alarm event occurred. The network of alarm devices, therefore, can spread the alarm indication to the entirety of the area covered by the network of alarm devices and can also differentiate between a general alarm indication and the locus of the alarm event.