Cloud Print Server Common Queue Management

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Solution Overview

Problem

Existing print server systems face challenges in efficiently managing and transmitting print jobs across different image forming apparatuses, particularly in cloud print environments, where identification information consistency and seamless job management are lacking.

Innovation Solution

A server system is designed with an obtainment unit to gather identification information from multiple image forming apparatuses, a generation unit to create a print queue, and a transmission unit to manage and transmit print jobs to corresponding apparatuses, ensuring consistent identification and efficient job processing.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a print server system uses separate identification information for each image forming apparatus, then each apparatus can be individually identified, but managing print jobs across multiple apparatuses becomes complex and inconsistent

Engineering Contradiction:
Improveidentification information consistencyVSAvoidprint job management complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent applies universality by introducing a common identification information (common ID) that is shared across multiple image forming apparatuses. This common ID serves as a universal identifier that enables consistent print job management across different apparatuses, allowing the print server to treat multiple devices as a unified group while maintaining individual apparatus identities through their respective individual IDs.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Productivity

If the system transmits print jobs to each image forming apparatus individually using individual identification information, then each job can be routed precisely, but the transmission process becomes inefficient and time-consuming

Engineering Contradiction:
Improveprint job transmission efficiencyVSAvoidjob management time
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

The patent applies merging by combining multiple individual identification informations into a single common identification information. This allows the print server to transmit print jobs to multiple image forming apparatuses simultaneously or in a coordinated manner using the common ID, rather than handling each apparatus separately, thereby improving transmission efficiency and reducing the time required for job management.

Inventive Principle:
Principle #5Merging (Combining)

3Adaptability or versatility

If cloud print services lack unified identification management, then apparatus independence is maintained, but seamless job management and consistency across devices cannot be achieved

Engineering Contradiction:
Improvecloud print service adaptabilityVSAvoididentification information consistency
Core Design Contradiction:
Adaptability or versatilityVSLoss of information

Solution Approach 1:

The patent applies segmentation by dividing the identification information system into two distinct segments: individual identification information specific to each image forming apparatus and common identification information shared across multiple apparatuses. This segmented approach allows the system to maintain apparatus independence through individual IDs while achieving seamless job management and consistency through the common ID, enabling both device autonomy and unified control in cloud print services.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS11169757B2Print server system providing functions related to printing
Publication Date: 2021.11.09 CANON KK
  • US11169757B2 patent drawing
  • US11169757B2 patent drawing
  • US11169757B2 patent drawing

AI summary

In a case where a print queue is registered in a cloud service, a common print queue is generated and registered with respect to a plurality of image forming apparatuses separately from a print queue with respect to a specific image forming apparatus. In a case where printing is performed on the common print queue at a time of printing, a print job is held in the cloud service and is transmitted after being authenticated by an image forming apparatus corresponding to the common print queue.