Barcode Identification for Thermal Printer Parameter Verification

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Solution Overview

Problem

Thermal transfer printing requires precise matching of printing parameters such as temperature, speed, material, and object thickness for optimal results, but existing methods lack a simple and cost-effective way to ensure these parameters are correct before printing.

Innovation Solution

Incorporating a barcode identification system with two identical or inverted barcodes in the identification area, detectable by a reflex sensor, to verify the object's correct orientation and parameters before printing, along with a hole pattern for precise positioning, ensuring optimal printing conditions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a barcode identification system is added to verify printing parameters, then printing reliability is improved, but device complexity increases

Engineering Contradiction:
Improveprinting reliabilityVSAvoiddevice complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent uses a barcode (optical copy) to store and transmit printing parameter information instead of using complex electronic identification systems. The barcode contains encoded data about the object type and required printing parameters, providing a simple yet reliable verification method that avoids increasing device complexity.

Inventive Principle:
Principle #26Copying

Solution Approach 2:

The patent replaces complex mechanical or electronic parameter verification systems with an optical detection system that reads barcodes. This substitution simplifies the verification mechanism while maintaining reliability, as the reflex sensor and barcode reader provide accurate parameter verification without mechanical complexity.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Manufacturing precision

If printing parameters are strictly verified, then printing quality is improved, but productivity decreases

Engineering Contradiction:
Improveprinting qualityVSAvoidproductivity
Core Design Contradiction:
Manufacturing precisionVSProductivity

Solution Approach 1:

The patent performs parameter verification through barcode reading before the printing process begins. This preliminary check ensures that correct parameters are used without delaying production, as the verification occurs rapidly during object loading rather than during the actual printing operation.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system automatically verifies printing parameters by reading the barcode on each object without requiring manual intervention or complex setup procedures. This self-verification process maintains high printing quality standards while preserving productivity, as the parameter checking is integrated into the automated printing workflow.

Inventive Principle:
Principle #25Self-service

3Measurement precision

If a hole pattern is added for positioning, then positioning precision is improved, but ease of manufacture worsens

Engineering Contradiction:
Improvepositioning precisionVSAvoidease of manufacture
Core Design Contradiction:
Measurement precisionVSEase of manufacture

Solution Approach 1:

The patent divides the object into functional areas: a printable area for the actual print content and an identification area containing the barcode and hole pattern. This segmentation allows the positioning features to be added to non-printable areas without compromising the ease of manufacturing the printable portions, as the hole pattern and barcode are applied or formed in designated zones separate from the main printing surfaces.

Inventive Principle:
Principle #1Segmentation

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

This solution guarantees optimal printing by verifying the object's correct parameters and orientation using a reflex sensor, preventing suboptimal or damaged prints, and allowing for reliable detection without additional costly RFID systems.

Implementation Method 1

detection of a bar code identification by means of a reflex sensor is significantly simplified

Methodology Applied
Scientific EffectLight reflection: Reflection

Data Source

PatentEP2603384B1Object to be printed and printer to print an object
Publication Date: 2016.08.31 PHOENIX CONTACT GMBH & CO KG
  • EP2603384B1 patent drawingFigure 1
  • EP2603384B1 patent drawingFigure 2~3

AI summary

The invention relates to a printing object (10) and a printer (11) for printing a printing object (10). The printing object (10) has a printable printing region (1) and an identification region (2), wherein an identification mark is provided in the identification region (2). According to the invention, a barcode identification mark (4, 5) with a plurality of individual bars (6) arranged behind one another is provided as identification mark. In this way, a printing object (10) is provided, by way of which it can be ensured in a simple and reliable way that optimum printing takes place.