Flat Panel Display Safeguarding Terminal Security
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Solution Overview
Problem
Flat panel displays are vulnerable to theft due to their portability and low weight, lacking effective security measures to prevent unauthorized use or removal.
Innovation Solution
A flat panel display equipped with a micro processing unit, a display signal input socket with a safeguarding terminal, a user code input interface, and storage units for security and safeguarding marks, which activates a safeguarding function to require a valid user code for operation, deterring unauthorized use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If flat panel displays are made portable and lightweight, then ease of operation and adaptability are improved, but vulnerability to theft and unauthorized use increases
Solution Approach 1:
The safeguarding function is activated in advance by detecting voltage changes at the safeguarding terminal before theft can occur. The system proactively monitors the connection status and automatically triggers security protocols when disconnection is detected, preventing unauthorized removal rather than responding after the fact.
Solution Approach 2:
The safeguarding terminal acts as an intermediary element within the display signal input socket structure. This dedicated terminal monitors connection status and triggers security responses, serving as a mediator between the physical connection state and the security system without requiring separate sensors or additional external components.
2Reliability
If security measures are added to prevent theft, then reliability is improved, but device complexity increases
Solution Approach 1:
The safeguarding terminal is integrated into the existing display signal input socket structure, allowing the same physical interface to serve both its original signal reception function and the additional security monitoring function. This multi-functionality approach adds security capability without requiring a completely separate security interface or system.
Solution Approach 2:
The security monitoring function is merged with the existing display signal input processing. The micro processing unit handles both normal display signal reception and safeguarding terminal voltage monitoring through the same control architecture, consolidating functions rather than adding separate independent security subsystems.
Data Source
AI summary
An exemplary flat panel display includes a micro processing unit, a display signal input socket defining a safeguarding terminal, an input interface configured for a user to input a user code, a first storage unit storing a security code, and a second storage unit storing a safeguarding mark. The micro processing unit is configured to monitor a voltage applied to the safeguarding terminal, detect a status of the safeguarding mark, compare the user code with the security code according to the status of the safeguarding mark, and output a control signal according to a result of the comparison.