Wireless Security System Power Redundancy

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Solution Overview

Problem

Conventional home security systems require continuous grid power and physical connectivity, leading to battery backup depletion during power outages, rendering them ineffective for extended periods without electrical grid power.

Innovation Solution

A wireless security system with reduced power consumption and redundant communication paths, allowing security data to be transmitted over primary and bypass paths, ensuring continuous data delivery to remote servers even during power failures.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If security system components are physically tethered with power cables to grid powered outlets, then continuous power supply is achieved, but the system becomes ineffective during extended power outages and requires physical connectivity

Engineering Contradiction:
Improvesystem functionality during power outagesVSAvoidoperation duration without grid power
Core Design Contradiction:
ReliabilityVSDuration of action of moving object

Solution Approach 1:

The patent replaces physical power cable connections with wireless power transmission technology. The system uses a wireless power transmitter to transmit power wirelessly to security system components, eliminating the need for physical tethering to grid outlets while maintaining continuous power supply during outages.

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

Solution Approach 2:

The patent introduces a wireless power transmitter as an intermediary device that bridges the gap between grid power sources and security system components. This intermediary enables power transfer without physical connections, allowing the system to operate during extended power outages by receiving wireless power transmission.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Duration of action of moving object

If battery backup is used to maintain operation during power outages, then extended operation is achieved, but battery power depletes quickly rendering the system useless

Engineering Contradiction:
Improveoperation duration during power outagesVSAvoidbattery backup power depletion
Core Design Contradiction:
Duration of action of moving objectVSLoss of energy

Solution Approach 1:

The patent replaces battery backup systems with wireless power transmission. Instead of relying on depleting battery power, security system components receive continuous power wirelessly from a transmitter, eliminating energy depletion issues while maintaining extended operation capability during grid outages.

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

3Reliability

If security data is transmitted through a primary communication path, then data delivery is achieved, but communication fails when the primary path is unavailable

Engineering Contradiction:
Improvedata delivery reliabilityVSAvoidcommunication path flexibility
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The patent implements dynamic communication path selection where the system automatically switches between primary and secondary communication paths based on availability. The communication manager monitors path status and dynamically routes security data through the appropriate path, ensuring reliable delivery even when the primary path fails.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent prepares alternative communication paths in advance as backup options. When the primary communication path becomes unavailable, the system has pre-configured secondary paths ready for immediate use, ensuring continuous data delivery without interruption or loss of security information.

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

Data Source

PatentUS20180288694A1Wireless security network and communication methods
Publication Date: 2018.10.04 AMAZON TECH INC
  • US20180288694A1 patent drawing
  • US20180288694A1 patent drawing
  • US20180288694A1 patent drawing

AI summary

A security network provides reduced power consumption and more robust communication of messages in comparison to conventional wireless systems. Reducing power consumption as discussed herein ensures that the security system is able to operate for a long duration of time, potentially with minimal or no power from an electrical grid. Additionally, redundant communication paths as discussed herein provide a more robust way of selectively forwarding security data to a remote server. The availability of multiple communication paths ensures that a respective remote target recipient such as a server resource or remote communication device operated by a user can be notified of a trigger event during power failure conditions, such as when certain communication functionality of a security system is disabled.