Dynamic Concealing Pattern Generation for Personal Data Protection
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Solution Overview
Problem
Conventional security stamps have an insufficient concealing effect for personal information such as addresses, names, and telephone numbers, as they use fixed character patterns that can be easily read, leading to potential leakage of sensitive data.
Innovation Solution
A printing device with a reading unit, printing unit, and control system that identifies the type of personal information on a printed object and generates overlapping concealing patterns based on the read data, allowing for dynamic and effective concealment of personal information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If fixed character patterns are used for concealing personal information, then the device structure is simple, but the concealing effect is insufficient
Solution Approach 1:
The patent applies dynamics by making the concealing character patterns changeable rather than fixed. The control unit dynamically selects and outputs different character patterns based on the type of personal information detected, transforming the stamping device from a static to a dynamic system that adapts its concealing pattern according to the information being protected.
Solution Approach 2:
The patent implements parameter changes by varying the character patterns used for concealment based on the type of personal information detected. Different parameter sets (character types, fonts, arrangements) are applied depending on whether the information is an address, name, or telephone number, thereby changing the concealing effectiveness parameter without fundamentally altering the device structure.
2Ease of operation
If generic character patterns are used for all personal information, then the device is easy to operate, but the concealing effectiveness varies for different information types
Solution Approach 1:
The patent applies self-service by enabling the device to automatically detect the type of personal information and autonomously select the appropriate concealing character patterns without user intervention. The reading unit identifies the information type, and the control unit automatically configures the optimal concealing pattern, making the device operate itself based on the detected information characteristics.
Solution Approach 2:
The patent implements feedback by using the reading unit to detect personal information and feed this information back to the control unit, which then adjusts the concealing character patterns accordingly. This closed-loop system ensures that the concealing method is optimized based on the actual information being protected, improving effectiveness while maintaining ease of operation.
3Reliability
If manual selection of concealing patterns is required, then the concealing can be customized, but the operation becomes complex and time-consuming
Solution Approach 1:
The patent applies self-service by automatically detecting the type of personal information and selecting the appropriate concealing patterns without requiring manual user input or selection. The system performs the customization automatically based on the detected information type, thereby maintaining high concealing effectiveness while eliminating operation complexity.
Solution Approach 2:
The patent implements preliminary action by pre-configuring multiple sets of concealing character patterns for different types of personal information (addresses, names, telephone numbers) and preparing them in advance. When information is detected, the system quickly retrieves and applies the pre-prepared appropriate pattern, avoiding the need for real-time manual selection while maintaining customization effectiveness.
Data Source
AI summary
The printing device includes a reading unit, a printing unit, an operation mode setting unit, a personal information determining unit that determines the kind of the personal information, such as an address, a personal name, or a telephone number, from image data read by the reading unit when the operation mode setting unit sets the operation mode to be a reading mode, a printing data setting unit, a concealing-pattern-data generating unit that generates concealing pattern data, and a printing control unit that activates the printing unit to perform printing on the printed object based on the concealing pattern data generated by the concealing-pattern-data generating unit when the operation mode setting unit sets the operation mode to be a printing mode.