File Link Management for Detached Email Attachments

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Solution Overview

Problem

Existing systems fail to effectively maintain a link between files and emails after files are detached, making it difficult for users to retrieve the original email details such as sender and timestamp.

Innovation Solution

A system that detaches files from emails, creates a system file link with email metadata, monitors email location changes, and updates the link to ensure the file can be re-linked to the email even after it has been moved.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If a file is detached from an e-mail to minimise mailbox storage space, then mailbox storage space is reduced, but the linkage between the file and the e-mail is lost

Engineering Contradiction:
Improvemailbox storage spaceVSAvoidlinkage between file and e-mail
Core Design Contradiction:
Quantity of substanceVSLoss of information

Solution Approach 1:

The system separates the file storage from the e-mail storage by detaching files to a different location, while maintaining a reference link that connects the detached file to its original e-mail. This segmentation allows independent management of file and e-mail storage spaces.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system introduces an intermediary mechanism (a link file or metadata structure) that stores the relationship information between detached files and their source e-mails. This intermediary maintains the connection without requiring the file to remain physically attached to the e-mail.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Ease of operation

If e-mails are moved between folders to organise mailbox, then organisation is improved, but the ability to locate the original e-mail from a detached file is compromised

Engineering Contradiction:
Improveorganisation of mailboxVSAvoidlocation of original e-mail
Core Design Contradiction:
Ease of operationVSDifficulty of detecting and measuring

Solution Approach 1:

The system performs preliminary action by storing the e-mail location information and other metadata at the time of file detachment, before any future moves occur. This pre-stored information enables reliable retrieval even when the e-mail is subsequently moved to different folders.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system implements a feedback mechanism where the stored link information is updated or verified when e-mails are moved, ensuring that the connection between detached files and their source e-mails remains accurate despite location changes.

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS7420702B1System for the management of files and mail attachments
Publication Date: 2008.09.02 HCL TECH LTD
  • US7420702B1 patent drawing
  • US7420702B1 patent drawing
  • US7420702B1 patent drawing

AI summary

The invention is directed to a system for managing files and mail attachments. A system for managing files received by a user as an attachment to an e-mail in accordance with an embodiment of the invention includes: a system for detaching a file from an e-mail; a system for storing the detached file; a system for creating a system file link with the detached file that includes details relating to a storage location and an identity of the e-mail from which the file was detached; a system for re-establishing a link between the file and the e-mail in response to a request of the user to locate the e-mail; a system for monitoring a change in the location of the e-mail; and a system for updating the system file link with a new location of the e-mail in response to a change in the location of the e-mail.