Fingerprint Reader Mount Tamper Detection for Data Protection
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Solution Overview
Problem
Fingerprint recognition devices are vulnerable to illegal disassembly by unauthorized outsiders, which can lead to tampering with stored data and design information.
Innovation Solution
An apparatus and method featuring a detection switch and tamper unit that detect the release of a fixing member, triggering a tamper function to prevent unauthorized access, including a cap sealing member to enhance security and prevent leakage through the fixing hole.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a fingerprint recognition device is arbitrarily disassembled by an unauthorized outsider, then access to the internal components is enabled, but important data stored in the device and information on main design may be tampered with
Solution Approach 1:
The patent applies preliminary anti-action by pre-installing a detection switch that monitors the fixing member's state and a tamper unit that is activated before actual tampering can occur. When the fixing member is removed or loosened, the detection switch immediately detects this state change and triggers the tamper unit to execute protective actions (such as destroying stored data or alerting authorities), thereby preventing unauthorized access to and tampering with important data and design information before the disassembly process can compromise security.
2Reliability
If a detection switch and tamper unit are added to detect fixing member release, then tamper detection capability is improved, but device complexity increases
Solution Approach 1:
The patent merges the detection switch and tamper unit into an integrated tamper detection assembly that is closely coupled with the fixing member structure. The detection switch is positioned to be directly actuated by the fixing member's state (installed/uninstalled or tightened/loosened), and the tamper unit is integrated into the same assembly, sharing common mounting structures and signal pathways. This merging approach allows the system to achieve reliable tamper detection while minimizing the addition of separate components and reducing overall structural complexity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables quick detection of unauthorized disassembly, strengthening tamper operations and preventing falsification of important data and design information, while maintaining device security and watertightness.
Implementation Method 1
a cap sealing member having elasticity and provided between the tip portion of the fixing member and detection switch
Data Source
AI summary
An apparatus has a device installed on an entrance wall bracket. The apparatus includes a fixing member configured to fix the device to the entrance wall bracket, a detection switch selectively pushed by the fixing member to detect whether the fixing member is released, and a tamper unit operating a tamper function when the release of the fixing member is detected through the detection switch.