Portable Device Shroud Locking for Theft Detection

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Solution Overview

Problem

The increasing use of portable electronic devices in various environments, such as retail and healthcare, necessitates an effective anti-theft solution that allows for user interaction while preventing unauthorized removal and theft.

Innovation Solution

An anti-theft device that includes a sensor integrated with or attached to the device, generating a security signal when removed or displaced from an authorized location, combined with a shroud for partial enclosure and a key for wireless communication, which can lock the device to a dock with alarm and locking mechanisms.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a sensor and shroud are added to create an anti-theft device, then theft prevention capability is improved, but device complexity increases

Engineering Contradiction:
Improvetheft prevention capabilityVSAvoiddevice complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The sensor is integrated with or attached to the portable electronic device itself, merging the security function with the device structure. The shroud encloses both the device and sensor as a unified assembly, combining protection and monitoring functions in a single integrated system rather than separate components.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The portable electronic device serves multiple functions: it acts as both the operational device (tablet, smartphone, etc.) and as part of the security system by housing the sensor and being enclosed by the shroud. This multi-functionality reduces the need for entirely separate security hardware.

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

2Reliability

If a shroud is used to enclose the portable electronic device, then theft prevention is improved, but ease of operation deteriorates

Engineering Contradiction:
Improvetheft preventionVSAvoidease of operation
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The shroud is designed to be removable and reconfigurable rather than permanently fixed. Users can open the shroud to access the device when needed and close it when security is required. The sensor can be detached from the device and reattached, allowing flexible operation modes that adapt to different situations.

Inventive Principle:
Principle #15Dynamics

3Reliability

If location-based security signals are implemented, then unauthorized removal detection is improved, but use of energy increases

Engineering Contradiction:
Improveunauthorized removal detectionVSAvoidenergy consumption
Core Design Contradiction:
ReliabilityVSUse of energy by moving object

Solution Approach 1:

The sensor generates location-based security signals periodically or at specific trigger events rather than continuously monitoring. The system checks the device location relative to authorized areas at intervals or when movement is detected, rather than maintaining constant active monitoring, thereby reducing overall energy consumption while maintaining security effectiveness.

Inventive Principle:
Principle #19Periodic action

Data Source

PatentUS11293202B2Anti-theft device for portable electronic device
Publication Date: 2022.04.05 ALPHA SECURITY PRODUCTS INC
  • US11293202B2 patent drawing
  • US11293202B2 patent drawing
  • US11293202B2 patent drawing

AI summary

An anti-theft device for protecting a portable electronic device from theft or unauthorized removal in a retail environment is provided. A shroud may at least partially enclose a portable electronic device. A dock may releasably engage the shroud such that the shroud and portable electronic device are locked to the dock when engaged with the dock. A key may engage activate a lock mechanism to release the shroud and the portable electronic device from the dock.