Thermal Postage Printer with Scale and Bidirectional Authentication
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Solution Overview
Problem
Existing postage printers lack bidirectional communication with external software, limiting their ability to authenticate and manage postage transactions securely and efficiently, and they do not integrate cost-effective printing solutions with postal value calculation and authentication.
Innovation Solution
An integrated thermal printer with a scale connected to a computer and a web server authorized by a government postal agency, allowing for bidirectional communication to calculate and authenticate postage values, generate secure postage indicia, and print required data such as bar codes and registration marks, using a less expensive printing process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a thermal printer is used for postage printing, then printing cost is reduced, but the printer lacks bidirectional communication capability for secure authentication
Solution Approach 1:
The system divides authentication functions into two parts: the thermal printer handles only printing operations, while a separate computer system with software performs authentication and communication with the postal agency server. This segmentation allows the printer to remain simple and cost-effective while security functions are handled by a dedicated authentication system.
Solution Approach 2:
A computer system acts as an intermediary between the thermal printer and the postal agency server. The computer receives print requests, performs authentication through bidirectional communication with the server, generates secure postage indicia, and then sends the approved data to the thermal printer for printing.
2Reliability
If a dedicated postage meter is used, then authentication security is improved, but device complexity and cost increase
Solution Approach 1:
The thermal printer, which is a multi-functional device already capable of various printing tasks, is adapted for postage printing. By leveraging existing bidirectional communication capabilities of modern computers and standard thermal printers, the system avoids the need for specialized postage meter hardware, reducing overall system complexity while maintaining security through software-based authentication.
3Productivity
If bidirectional communication is implemented, then authentication efficiency is improved, but device complexity increases
Solution Approach 1:
The computer system automatically performs authentication by initiating bidirectional communication with the postal agency server, receiving approval, and generating postage indicia without requiring manual intervention. This self-service automation improves authentication efficiency while keeping the actual printing device simple.
Data Source
AI summary
Embodiments of the invention involve an integrated thermal printer with a scale that is connected to a computer. The computer is connected to a web server that is authorized by a government postal agency, e.g. the USPS, to issue postage.