Split E-Mail Reassembly for Reliable Internet FAX Printing
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Solution Overview
Problem
Existing email communication systems face challenges with split e-mails generated by dividing large data, where the order of pages is not guaranteed during transmission and processing, leading to delivery errors and complex user intervention for deletion, especially in Internet FAX systems.
Innovation Solution
An email communication apparatus and method that receives and stores split e-mails, combines them, and allows users to easily eliminate split e-mails with a single instruction, ensuring all split e-mails are processed and deleted efficiently without requiring manual selection or decision-making for each mail.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If split e-mails are transmitted through mail server, then delivery is achieved, but order of page numbers is not guaranteed and delivery errors occur
Solution Approach 1:
The patent applies preliminary action by adding sequence information (division number and total number) to each split e-mail before transmission. This allows the receiving device to correctly reorder the pages even when emails arrive out of sequence through the mail server, thus maintaining page order stability while achieving reliable delivery.
2Productivity
If predetermined time is set short for receiving split mails, then processing speed is improved, but processing may occur before all mails are received
Solution Approach 1:
The patent uses feedback mechanism where the receiving device monitors the arrival of split e-mails and compares the received count against the total number indicated in the sequence information. Processing is triggered only when all parts are received, ensuring completeness while avoiding unnecessary delays. This resolves the contradiction by dynamically determining the waiting time based on actual reception status.
3Manufacturing precision
If user manually selects and deletes each split mail, then deletion accuracy is improved, but operation complexity increases
Solution Approach 1:
The patent implements self-service by enabling the receiving device to automatically identify and delete split e-mails that have been fully reassembled. The system uses the sequence information embedded in each email to determine when all parts are present, then automatically processes and deletes the complete document, eliminating the need for manual user selection while ensuring accurate deletion of the correct content.
4Reliability
If split mails are stored for long time, then completeness is improved, but processing delay increases
Solution Approach 1:
The receiving device continuously monitors the reception status of split e-mails using the sequence information (division number and total number) embedded in each message. Once all parts are received, the system immediately triggers processing without unnecessary delays. This feedback-driven approach ensures completeness while minimizing storage time and processing delays.
Data Source
AI summary
An improved e-mail communication apparatus, a data processing method and a program are provided. First, an MFP 100 which receives an e-mail decides whether or not the e-mail is one of a plurality of split data generated by dividing image data in data amount units and stores the e-mail. The MFP 100 then decides whether or not all the split data of the image data are stored, and when all the split data are stored, the MFP 100 generates combined data by combining the plurality of split data and performs printing processing on recording paper based on the combined data.