Continuous Web Notebook with Micro Characters for Anti-Falsification
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Solution Overview
Problem
Conventional notebooks lack security features to prevent falsification and detection of missing pages, as they are printed on one side only and assembled from separate sheets, making it difficult to ensure authenticity and integrity.
Innovation Solution
A notebook is created by zigzag folding a continuous web form printed on both sides, with micro characters that are undetectable to the naked eye, allowing for secure printing on both surfaces and preventing reproduction, and is designed for spread-reading to enhance data verification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a notebook is prepared by covering separate paper sheets with front and back covers, then the notebook structure is simple and easy to manufacture, but it lacks security features to prevent falsification and detection of missing pages
Solution Approach 1:
The patent merges separate paper sheets into a single continuous web form that is printed on both sides and then zigzag-folded. This combining approach maintains the simplicity of manufacture while introducing security features through the continuous form structure, which allows for detection of missing pages and prevents falsification.
Solution Approach 2:
The patent introduces a new dimensional aspect by printing on both sides of the continuous web form and implementing zigzag folding. This creates a multi-layered structure where pages are interconnected through the fold, adding a spatial dimension that enhances security while maintaining manufacturing efficiency.
2Manufacturing precision
If printing is performed on one side of a continuous form only, then the printing process is simple, but it is impossible to print continuously on both sides or fold zigzag to prepare a secure notebook
Solution Approach 1:
The patent implements continuous printing on both sides of the web form by coordinating two printing units that operate simultaneously. This continuous action approach maintains manufacturing efficiency while achieving precise dual-sided printing, eliminating the need for separate printing operations.
Solution Approach 2:
The patent performs preliminary registration and positioning of the web form before printing to ensure precise alignment on both sides. This preliminary action enables accurate dual-sided printing and proper zigzag folding while maintaining the efficiency of continuous manufacturing.
3Ease of operation
If individual paper sheets are stacked to form a booklet, then the notebook can be assembled easily, but it is difficult to detect lack, missing or damage of inside paper sheets
Solution Approach 1:
The patent incorporates feedback mechanisms through the zigzag fold structure and continuous form design. The interconnected pages create a physical feedback system where missing or damaged pages disrupt the continuous structure, making detection easy during assembly or use, while the assembly process remains simple.
Solution Approach 2:
The patent uses visual indicators such as colored threads, watermarks, or color-coded patterns embedded in the continuous web form that change or become visible when pages are missing or tampered with. This provides easy detection of issues while maintaining simple assembly procedures.
4Reliability
If conventional notebooks are used, then they are easy to reproduce with copying machines, but high-security prints with impossible reproduction are desired
Solution Approach 1:
The patent applies local quality enhancement by incorporating micro characters, watermarks, or special ink patterns in specific areas of the continuous form. These localized security features are integrated into the printing process without requiring complex overall system changes, achieving high security while maintaining manufacturing simplicity.
Data Source
AI summary
A notebook including a group of a preset number of consecutive unit forms which are printed on both faces thereof and spreadably zigzag-folded is produced through a process that includes: printing on both surfaces of a continuous web by two printers each equipped with an endless belt-shaped printing plate, with intermediate inversion of the two surfaces of the web, followed by zig-zag folding and cutting and separating the printed web for each of the preset number of forms. The obtained notebook is capable of preventing falsification and missing pages by inclusion of a horizontal ruled line provided in a main data region and formed of a succession of micro characters.