Randomized Input Device Heating for Thermal Security
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Solution Overview
Problem
Existing security systems are vulnerable to unauthorized access due to the ability of thermal imaging devices to monitor and replicate security codes, which are not effectively protected against thermal or auditory breaches.
Innovation Solution
The introduction of a method and system that randomly heats input devices and generates audible tones to obfuscate security codes, making it difficult for unauthorized users to gather the security code through thermal or auditory means by creating thermal noise and masking sound inputs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If thermal imaging devices are used to monitor security code input, then security monitoring capability is improved, but security code vulnerability to thermal breaches worsens
Solution Approach 1:
The patent converts the harmful thermal imaging capability into a beneficial security feature by using thermal noise generation. Heating elements are integrated into the input device to randomly heat keys, creating thermal patterns that mask the actual key presses from thermal imaging devices, thus transforming the vulnerability into a protective mechanism
Solution Approach 2:
The patent changes the thermal parameter of the input device by dynamically adjusting the temperature of specific keys through heating elements. This creates random thermal patterns that alter the thermal signature of key presses, making it difficult for thermal imaging devices to accurately capture and replicate the security code
2Object-affected harmful factors
If audible tones are generated during security code input, then auditory security protection is improved, but device complexity worsens
Solution Approach 1:
The patent implements multi-functionality by integrating audible tone generation into the existing security device. The same device that processes security code input also generates masking audible tones, serving both input processing and auditory protection functions without requiring entirely separate systems
Solution Approach 2:
The patent introduces an intermediary audio processing layer that generates masking tones without directly interfering with the key input mechanism. This intermediary audible output layer provides security protection while maintaining the independence and simplicity of the core input device
3Object-affected harmful factors
If random heating elements are applied to obfuscate security code, then thermal security protection is improved, but energy consumption worsens
Solution Approach 1:
The patent employs periodic action by activating heating elements in random intervals and patterns rather than continuous operation. This creates effective thermal masking during security code input while minimizing overall energy consumption through pulsed, intermittent heating cycles
Solution Approach 2:
The patent applies partial action by heating only specific keys at specific times rather than heating the entire device continuously. This targeted approach provides sufficient thermal masking for security protection while significantly reducing the total energy required compared to full-device heating
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
Effectively deters unauthorized access by creating thermal and auditory noise, making it challenging for thermal imaging devices to discern the security code input, thereby enhancing security system integrity.
Implementation Method 1
A random set of heating elements including one or more heating elements, are generated from the plurality of heating elements. A temperature is determined for the one or more heating elements of the random set of heating elements. The temperature is then applied to the one or more heating elements of the random set of heating elements of the input device.
Implementation Method 2
The usage of an authorized user's security code may be obfuscated by randomly heating the input device to create thermal noise and obfuscate thermal imaging security breaches.
Data Source
AI summary
A security code input may be obfuscated from a thermal imaging device by randomly heating a random set of inputs of an input device. The security code is inputted on an input device, which communicates with a security system to grant or deny access to a user based on an entry of the security code. The input device includes a plurality of hearing elements. The input device may receive an input from the user. A random set of heating elements including one or more heating elements, are generated from the plurality of heating elements. A temperature is determined for the one or more heating elements of the random set of heating elements. The temperature is then applied to the one or more heating elements of the random set of heating elements of the input device.