Segmented Cable Loop for Inventory Protection

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Solution Overview

Problem

Securing large outdoor inventory items from theft and damage is challenging due to the inefficiencies of existing single-length physical or electrical securement devices, which require significant time and labor to disconnect and reconnect, and often result in damage to unsold items, and existing wireless systems face issues with power supply and flexibility.

Innovation Solution

An inventory protection system using a multi-segmented insulated electrical cable loop with a sensor and reporting device that can be assembled to any length, allowing for easy disconnection of segments near the sold item during sales, and a battery-powered sensor circuit that maximizes battery life and cable length, with a wireless communication system to a remote alarm circuit.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a single-length physical securement device (chain or cable) is used to secure inventory, then the inventory is protected from theft, but significant time and labor are required to disconnect and reconnect the entire securement device during sales, and damage may occur to unsold items

Engineering Contradiction:
Improveinventory securityVSAvoidtime to disconnect and reconnect securement
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The securement device is divided into multiple cable segments that can be independently connected and disconnected. Each segment can be selectively attached or detached without affecting the entire securement system, allowing rapid release of individual items during sales while maintaining security on remaining inventory.

Inventive Principle:
Principle #1Segmentation

2Reliability

If a single-length physical securement device is used to secure inventory, then the inventory is protected from theft, but significant labor is required to disconnect and reconnect the entire securement device during sales

Engineering Contradiction:
Improveinventory securityVSAvoidsales transaction efficiency
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The securement device is divided into multiple cable segments that can be independently connected and disconnected. Each segment can be selectively attached or detached without affecting the entire securement system, allowing rapid release of individual items during sales while maintaining security on remaining inventory.

Inventive Principle:
Principle #1Segmentation

3Reliability

If a long electrical cable is used with a wired alarm circuit, then the inventory is protected by alarm monitoring, but the cable must be physically connected to the alarm circuit which limits flexibility in installation locations

Engineering Contradiction:
Improvealarm monitoringVSAvoidinstallation location flexibility
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The wired alarm system is replaced with a wireless alarm circuit that communicates via radio frequency. This eliminates the need for physical cable connections between the alarm receiver and the securement device, allowing the alarm system to be installed anywhere within wireless range and significantly improving location flexibility.

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

4Adaptability or versatility

If a wireless alarm circuit is used with battery power, then installation location flexibility is improved, but battery life is limited and cable length is restricted

Engineering Contradiction:
Improveinstallation location flexibilityVSAvoidbattery life
Core Design Contradiction:
Adaptability or versatilityVSDuration of action of moving object

Solution Approach 1:

The alarm circuit operates in a low-power sleep mode most of the time and only activates periodically or when triggered by a break in the cable loop. This periodic operation significantly extends battery life compared to continuous operation, while still maintaining effective alarm monitoring capability.

Inventive Principle:
Principle #19Periodic action

Data Source

PatentUS9595176B2Inventory protection system
Publication Date: 2017.03.14 PAIGE ELECTRIC CO LP
  • US9595176B2 patent drawing
  • US9595176B2 patent drawing
  • US9595176B2 patent drawing

AI summary

An inventory protection system has a plurality of cable segments with connectors on the ends thereof. The connectors permit pairs of cable segments to be releasably mechanically and electrically connectable to one another to form a continuous cable loop. A circuit connected to the cable loop periodically generates a test signal in the cable loop and checks to see if the test signal is able to travel all the way around the cable loop. The circuit generates an alarm signal if the test signal cannot travel all the way around the cable loop.