Image Forming Apparatus Preserving Additional Information After Half-Cutting

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Solution Overview

Problem

In label printing on roll paper, additional information in the margin area is often removed during the half-cutting process, making it impossible for users to confirm this information later.

Innovation Solution

An image forming apparatus that forms a first image and a second image on seal paper, allowing the second image to remain intact on the release paper even after the margin portion of the seal paper is removed, using a control unit to manage the half-cutting process and ensure the second image is preserved.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If additional information is added to the margin area of roll paper, then work efficiency is improved, but the additional information is removed during half-cutting process

Engineering Contradiction:
Improvework efficiencyVSAvoidadditional information
Core Design Contradiction:
ProductivityVSLoss of information

Solution Approach 1:

The patent divides the image into two separate images: a first image (main label content) and a second image (additional information). These images are formed at different positions on the seal paper, allowing them to be treated differently during the half-cutting process. The first image is positioned to be cut away with the margin, while the second image is positioned to remain on the release paper.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent extracts the additional information from the margin area and positions it as a separate second image that will remain on the release paper after half-cutting. This extraction ensures that the additional information is separated from the margin portion that is removed during the half-cutting process.

Inventive Principle:
Principle #2Taking out (Extraction)

2Manufacturing precision

If margin portion is removed during half-cutting, then label quality is improved, but additional information is lost

Engineering Contradiction:
Improvelabel qualityVSAvoidadditional information
Core Design Contradiction:
Manufacturing precisionVSLoss of information

Solution Approach 1:

The patent segments the additional information from the margin area by forming it as a separate second image at a specific position that ensures it remains on the release paper after half-cutting, while the margin portion with the first image is removed.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent extracts the additional information from the margin portion and positions it to remain on the release paper, separating it from the part that is removed during half-cutting while maintaining label quality.

Inventive Principle:
Principle #2Taking out (Extraction)

3Ease of operation

If additional information is placed in margin area, then user confirmation is enabled, but information becomes inaccessible after removal

Engineering Contradiction:
Improveuser confirmationVSAvoidadditional information
Core Design Contradiction:
Ease of operationVSLoss of information

Solution Approach 1:

The patent extracts the additional information from the margin area and positions it to remain on the release paper after half-cutting, ensuring that users can still access and confirm the information after the margin portion is removed.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent utilizes the dimensional relationship between the seal paper and release paper, positioning the second image (additional information) to transfer with the seal paper to the release paper, creating a new location for the information that is accessible after half-cutting.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Data Source

PatentUS12058294B2Image forming apparatus that forms image for half-cutting, control method therefor, and storage medium
Publication Date: 2024.08.06 CANON KK
  • US12058294B2 patent drawing
  • US12058294B2 patent drawing
  • US12058294B2 patent drawing

AI summary

An image forming apparatus capable of leaving necessary images formed on seal paper, even when a removal operation is performed on an image forming paper, which includes the seal paper and release paper, after half-cutting processing. The image forming apparatus has an image forming part for forming a first image and a second image indicating additional information related to the first image, on the seal paper. The image forming apparatus makes setting related to the additional information, acquires information related to first half-cutting for leaving a portion of the first image in the seal paper on the release paper after the half-cutting processing and information related to second half-cutting for leaving, based on the setting, a portion of the second image in the seal paper on the release paper after the half-cutting, and forms the first and second images on the seal paper.