Human-Indiscernible Hardware Identifiers for Consumable Print Authentication
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Solution Overview
Problem
Existing print devices face challenges in authenticating consumable components, leading to potential installation of low-quality components that can damage the device and result in improper operation, as conventional authentication methods can be easily bypassed by unauthorized manufacturers.
Innovation Solution
Implementing human-indiscernible hardware-based identifiers on consumable components, such as OPC drums and printheads, which are detectable by sensors using electromagnetic radiation, and combining this with computer-readable media for authentication, ensuring the identifiers are not visible to the human eye and require specialized detection equipment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional authentication methods are used for consumable components, then the authentication process is simple and accessible, but unauthorized manufacturers can easily bypass authentication and install low-quality components
Solution Approach 1:
The patent replaces conventional visible authentication methods (mechanical/systems humans can observe) with electromagnetic radiation-based authentication. Sensors detect identifiers using electromagnetic radiation that is imperceptible to humans, thereby substituting a physical/mechanical authentication system with an electromagnetic field-based system that cannot be easily bypassed by unauthorized manufacturers.
Solution Approach 2:
The patent introduces an intermediary detection system consisting of sensors and electromagnetic radiation that mediates between the consumable component and the print device controller. This intermediary layer verifies authentication credentials without direct human intervention, preventing unauthorized components from being installed while maintaining system reliability.
2Reliability
If human-indiscernible identifiers are used on consumable components, then authentication security is improved, but the complexity of detecting and measuring these identifiers increases
Solution Approach 1:
The patent replaces manual visual inspection methods with automated electromagnetic radiation-based detection. Sensors emit electromagnetic radiation and detect the reflected or transmitted signals to identify the human-indiscernible identifiers, eliminating the need for human observation and simplifying the detection process despite the identifiers being imperceptible to humans.
Solution Approach 2:
The authentication system performs self-verification through automated sensor detection. The sensors automatically detect the identifiers on consumable components and the controller authenticates them without requiring human intervention, making the detection process more reliable and easier to implement despite the identifiers being invisible to humans.
3Ease of operation
If visible identifiers are placed on consumable components, then ease of manual verification is improved, but authentication security deteriorates as unauthorized manufacturers can replicate them
Solution Approach 1:
The patent replaces manual visual verification with automated electromagnetic radiation-based detection. The system uses sensors to detect identifiers that are imperceptible to humans, thereby eliminating the security vulnerability of visible identifiers that can be easily replicated, while maintaining operational efficiency through automated verification.
Solution Approach 2:
The patent changes the physical parameter of identifier visibility from visible to imperceptible to human eyes. By using electromagnetic radiation in ranges not detectable by human vision (such as infrared or ultraviolet), the system maintains ease of automated operation while dramatically improving authentication security, as unauthorized manufacturers cannot replicate these identifiers without specialized equipment.
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
Enhances the authentication process by preventing the installation of unauthorized components, maintaining print device quality, and allowing for tailored operation based on component attributes, thereby protecting the device and ensuring optimal performance.
Implementation Method 1
a sensor to read the human-indiscernible hardware-based identifier
Data Source
Figure 1A~1B
Figure 2~3
Figure 4~5
AI summary
An example consumable print device component may comprise a surface and a human-indiscernible hardware-based identifier arranged on the surface.