Compact Official Document Printer With Inter-Level Transport
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Solution Overview
Problem
Existing printers for official documents, such as passports, are large, inefficient, and vulnerable to manipulation, with manual stamp application methods lacking security features and requiring significant time and resources.
Innovation Solution
A compact printer design with an inter-level document transport system and imaging unit that securely processes documents by moving them between access and processing levels, preventing external manipulation and ensuring high-quality, secure printing of stamps like visa stamps.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a printer is designed to be compact with a small footprint, then it can fit on a desk and be easily replaced, but it may have limited space for document processing mechanisms
Solution Approach 1:
The patent implements a multi-level architecture where the access level and processing level are arranged vertically one above the other. The document receiving platen moves between these levels via an inter-level transport system, effectively utilizing the vertical dimension to accommodate processing mechanisms within a compact horizontal footprint.
2Productivity
If manual stamp application is used, then the process is simple and requires minimal equipment, but it is time-consuming and vulnerable to manipulation
Solution Approach 1:
The patent extracts the document from the operator's control by automatically transporting it from the access level to the processing level using an inter-level transport system. This separation prevents the operator from manipulating the document during stamp application, ensuring security while maintaining high productivity through automated processing.
3Extent of automation
If existing printers are used for document processing, then they provide automated stamp application, but they are large and require significant space
Solution Approach 1:
The patent nests the document receiving platen within the printer housing, allowing it to move between the access level and processing level. This nested arrangement enables automated document processing mechanisms to be contained within a compact footprint, eliminating the need for large external processing areas.
4Reliability
If the document receiving platen is moved between access and processing levels, then manipulation is prevented and security is improved, but the device complexity increases
Solution Approach 1:
The patent introduces an inter-level transport system as an intermediary mechanism that automatically moves the document receiving platen between the access level and processing level. This intermediary system prevents direct operator access to the document during processing, ensuring security while managing complexity through a dedicated transport mechanism.
Data Source
AI summary
The present invention provides a printer for applying a stamp onto an official document, wherein the printer comprises an access level with an inlet for inserting the document into and removing the document from the printer, a processing level including a print head, and an inter-level document transport system for moving a document receiving platen between the access level and the processing level. The access level and the processing level are at least partly arranged on top of each other. The present invention also provides an imaging system for a printer and a method for processing an official document with a printer.