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System analysis of CCD-based bar code readers.

D Tsi, E Marom, J Katz

    Applied Optics
    |September 11, 2010
    PubMed
    Summary
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    This study analyzes charge-coupled device (CCD) bar code readers, presenting a model for optimal working range and optical parameters. Experimental validation confirms the model

    Area of Science:

    • Optoelectronics
    • Imaging Systems
    • Barcode Technology

    Background:

    • Charge-coupled device (CCD) readers are widely used for barcode acquisition.
    • Understanding the operational constraints of CCD barcode readers is crucial for system design.
    • Existing models may not fully capture the interplay between working range and optical parameters.

    Purpose of the Study:

    • To analyze the fundamental constraints affecting the working range of CCD-based barcode readers.
    • To develop a comprehensive model for calculating the optimal working range and associated optical system parameters.
    • To compare the performance of CCD readers with traditional laser scanners.

    Main Methods:

    • Theoretical analysis of optical system parameters and working range limitations.

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    Published on: April 7, 2023

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  • Development of a mathematical model for predicting optimal performance.
  • Experimental validation of the derived model using CCD barcode readers.
  • Comparative analysis against laser-based barcode scanning systems.

    • Main Results:

    • The study successfully derived a comprehensive model for CCD barcode reader working range.
    • Theoretical calculations showed good agreement with experimental results.
    • Key optical system parameters influencing the working range were identified.
    • Performance comparisons provided insights into the relative strengths of CCD and laser scanners.

    Conclusions:

    • The developed model provides a robust method for determining optimal working ranges for CCD barcode readers.
    • Accurate prediction of optical parameters is essential for maximizing reader performance.
    • CCD readers offer a viable alternative to laser scanners, with performance dependent on specific application requirements.