Security device for functional display and security of handheld electronic devices
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Solution Overview
Problem
Existing security measures for handheld electronic devices, such as alarm sensors attached with adhesive, often fail to prevent theft due to false alarms and incomplete coverage, leading to retailer vulnerability and hindered customer inspection.
Innovation Solution
A security device with sliding arms and a leveling plate that securely holds the device, allowing for adjustable retention and integration of an alarm sensor to prevent theft while enabling functional display.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If alarm sensors are attached using adhesive tape to handheld electronic devices, then security monitoring is enabled, but the adhesive fails during use causing false alarms and inconsistent contact
Solution Approach 1:
The patent replaces the adhesive-based mechanical attachment system with a clamp-based mechanical system. The clamp assembly includes jaws that grip the device and a compression member that applies force, eliminating reliance on adhesive bonding. This substitution provides reliable contact through mechanical force rather than chemical adhesion, solving the false alarm problem while maintaining customer inspection capability.
2Reliability
If multiple alarm sensors are installed in various locations on the device, then theft prevention coverage is improved, but customer inspection is hindered and heat-related ignition risk increases
Solution Approach 1:
The patent extracts the alarm sensor from the device body and relocates it to the clamp assembly. The sensor is positioned on the clamp jaw or compression member rather than being embedded in the device housing. This extraction eliminates heat-related ignition risks associated with internal device placement while maintaining comprehensive theft prevention through the clamp's secure contact with the device.
3Ease of manufacture
If adhesive-based alarm sensors are used, then installation is simple, but the sensors lose contact and activate false alarms
Solution Approach 1:
The patent introduces a dynamic adjustment mechanism in the form of a threaded compression member that allows the clamp jaws to be adjusted and locked at different positions. This dynamic system enables the clamp to maintain consistent contact pressure with the device, ensuring reliable sensor contact. The adjustability compensates for variations in device dimensions while maintaining simple installation through the modular clamp assembly design.
Data Source
AI summary
A security device and base for a mobile device. The security device includes a body, at least two sliding arms coupled to the body, and a leveling plate coupled to the body and configured to receive the mobile device.


