Handheld Label Printer Color Sensor Automation
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Solution Overview
Problem
Conventional label printers face challenges with incorrect labeling due to human error, leading to inefficiencies, increased costs, and potential disruptions in the supply chain.
Innovation Solution
A handheld label printer equipped with an optical recognition component, including a color sensor, that detects the color of labels before printing, enabling more accurate and faster labeling processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional label printers are used without color detection, then the device complexity is low, but the labeling accuracy deteriorates due to human error
Solution Approach 1:
The patent replaces the mechanical/manual label selection process with an optical sensing system. The color sensor automatically detects label colors and the controller selects appropriate labels, eliminating human error in label selection while maintaining simple operation through automated color-matching functionality.
Solution Approach 2:
The labeling system performs self-service by automatically detecting label colors, comparing them with required colors, and selecting the correct labels without human intervention. The controller autonomously manages the labeling process based on sensor input, reducing reliance on operator skill and attention.
2Productivity
If manual label selection is used, then the device complexity is low, but the productivity deteriorates due to time-consuming processes
Solution Approach 1:
The patent replaces manual label selection with an automated optical sensing and control system. The color sensor continuously monitors label colors and the controller automatically selects and applies correct labels, dramatically increasing labeling speed while keeping the overall system relatively simple through modular architecture.
Solution Approach 2:
The system performs preliminary color detection and label selection before the actual labeling action. The sensor pre-identifies label colors and the controller pre-selects appropriate labels, enabling faster execution of the labeling process without complex real-time decision-making during application.
3Measurement precision
If color sensor integration is implemented, then the labeling accuracy is improved, but the manufacturing cost increases
Solution Approach 1:
The patent uses relatively simple optical color sensors rather than complex imaging systems or spectrometers. This substitution provides sufficient color detection capability for label matching while keeping component costs low and manufacturing straightforward through the use of commercially available sensor modules.
Solution Approach 2:
The system uses color copying by detecting the optical properties of labels and matching them to required color specifications. This approach achieves accurate color matching without requiring complex analytical measurements, simplifying the sensing requirements and reducing component costs.
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
The solution enhances labeling accuracy and speed, reducing human error and associated costs, while improving the overall efficiency of inventory management and supply chain operations.
Implementation Method 1
Some embodiments include a color sensor that detects a color associated with a label before printing
Data Source
AI summary
In some embodiments, a handheld label application device includes a housing assembly, a print head mounted inside the housing assembly and configured to print on a label, and a sensor positioned inside the housing assembly, wherein the sensor is configured to detect at least one optical attribute of a label before it is printed on by the printer.