Embroidery Data Generator Random Stitch Pattern Assignment

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Solution Overview

Problem

Conventional embroidery data generators automatically determine stitch patterns for sub-patterns, but the resulting combinations may not align with user preferences, requiring manual modifications.

Innovation Solution

An embroidery data generator with a pattern storing unit and control device that randomly selects and assigns stitch patterns from stored data to sub-patterns, allowing for a rich variety of combinations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If automatic determination of stitch patterns is used, then productivity is improved, but the variety and user preference matching of stitch pattern combinations deteriorates

Engineering Contradiction:

Improveautomatic determination efficiencyVSAvoidstitch pattern combination variety

Core Design Contradiction:

ProductivityVSAdaptability or versatility

Solution Approach 1:

The patent applies dynamics by making the stitch pattern determination process adjustable between automatic and manual modes. The system dynamically switches between automated assignment based on sub-pattern characteristics and user-selectable options, allowing the determination method to adapt based on desired outcome variety versus processing efficiency.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The patent changes the parameter of determination mode from fixed automatic to variable, allowing selection between automatic determination, manual selection, or hybrid approaches. This parameter change enables users to balance between productivity (automatic mode) and pattern variety (manual mode) according to their needs.

Inventive Principle:

Principle #35Parameter changes

2Loss of time

If automatic determination of stitch patterns is used, then loss of time is reduced, but ease of operation deteriorates due to required manual modifications

Engineering Contradiction:

Improvepattern determination timeVSAvoidmanual modification requirement

Core Design Contradiction:

Loss of timeVSEase of operation

Solution Approach 1:

The patent applies partial action by allowing users to select only certain sub-patterns for manual stitch pattern assignment while leaving others to automatic determination. This partial manual intervention reduces the overall time loss compared to fully manual processes while improving ease of operation for specific critical sub-patterns.

Inventive Principle:

Principle #16Partial or excessive action

Solution Approach 2:

The system provides self-service by automatically determining stitch patterns for sub-patterns that don't require user intervention, while offering manual selection capabilities when needed. This hybrid approach reduces the burden of complete manual modification while maintaining user control when necessary.

Inventive Principle:

Principle #25Self-service

3Manufacturing precision

If fixed stitch pattern assignment is used, then manufacturing precision is improved, but adaptability deteriorates

Engineering Contradiction:

Improvestitch pattern assignment accuracyVSAvoiduser preference accommodation

Core Design Contradiction:

Manufacturing precisionVSAdaptability or versatility

Solution Approach 1:

The patent segments the stitch pattern assignment process into different levels: automatic assignment based on sub-pattern characteristics (for precision) and user-selectable options (for adaptability). This segmentation allows the system to maintain manufacturing precision through algorithmic determination while accommodating user preferences through selective manual override.

Inventive Principle:

Principle #1Segmentation

Data Source

PatentUS9371606B2Embroidery data generator, sewing machine, and non-transitory computer readable storing medium

Publication Date: 2016.06.21 BROTHER KOGYO KK

AI summary

An embroidery data generator is configured to generate embroidery data and is provided with a pattern storing unit and a control device. The pattern storing unit is configured to store plural types of pattern data configured for sewing one or more sub-patterns according to a predetermined stitch pattern. The one or more sub-patterns constitutes an embroidery pattern. The control device is configured to randomly extract pattern data configured for sewing the one or more sub-patterns from the plural types of pattern data stored in the pattern storing unit and to assign extracted pattern data to the one or more sub-patterns.