Image Generation System Free Space Inquiry to Prevent Download Waste

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Solution Overview

Problem

Existing communication terminals with web browsers often face issues with file downloads, particularly when the terminal's free space is insufficient for the file size, leading to unnecessary downloads and resource wastage.

Innovation Solution

An information processing system that includes an image generation system with a free space inquiry unit and a file size inquiry unit, which checks the terminal's free space and the file size before initiating a download, preventing downloads when the terminal's space is insufficient.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If the browser automatically downloads files when a download button is pressed, then the download function is simple and fast, but unnecessary downloads occur when free space is insufficient, wasting network resources and terminal resources

Engineering Contradiction:
Improvedownload speedVSAvoidnetwork resource waste
Core Design Contradiction:
ProductivityVSLoss of energy

Solution Approach 1:

The patent applies preliminary action by checking the free space of the communication terminal before initiating the file download. The image generation system inquires about the free space and compares it with the file size, and only if sufficient space exists does it proceed with the download. This prevents unnecessary downloads that would waste network resources and terminal resources, while maintaining fast download execution when conditions are met.

Inventive Principle:
Principle #10Preliminary action

2Ease of operation

If the browser displays a download dialog for user confirmation, then download control is precise, but the operation process becomes complex and time-consuming

Engineering Contradiction:
Improvedownload control precisionVSAvoiddownload preparation time
Core Design Contradiction:
Ease of operationVSLoss of time

Solution Approach 1:

The patent applies self-service by implementing automatic free space checking and download decision-making by the image generation system. The system autonomously inquires about free space, compares it with file size, and determines whether to proceed with download without requiring user confirmation dialogs. This maintains precise download control while eliminating the time loss associated with user interaction, making the process both efficient and automatic.

Inventive Principle:
Principle #25Self-service

3Loss of energy

If the system checks free space and file size before download, then unnecessary downloads are prevented, but the system complexity increases due to additional inquiry units and control logic

Engineering Contradiction:
Improveresource waste preventionVSAvoidsystem structure complexity
Core Design Contradiction:
Loss of energyVSDevice complexity

Solution Approach 1:

The patent merges the free space checking function, file size inquiry function, and download control logic into a single integrated image generation system. Rather than adding separate independent components, the system combines these functions within the existing browser architecture, where the image generation system handles both image generation and download management. This reduces system complexity while still preventing unnecessary downloads through the integrated free space verification process.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentUS20230376295A1Information processing system, control method, and storage medium
Publication Date: 2023.11.23 CANON KK
  • US20230376295A1 patent drawing
  • US20230376295A1 patent drawing
  • US20230376295A1 patent drawing

AI summary

There is provided a technique to avoid occurrence of useless download in an image generation system. In an information processing system enabling transmission of image data corresponding to a web page between an image generation system and a communication terminal, the image generation system inquires a free space of the communication terminal, inquires a size of a file to be downloaded, and in a case where the free space of the communication terminal is less than the size of the file, performs control not to download the file to be downloaded from an external web server.