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Related Experiment Videos

A complete system for barcode generation on the HP-41CX hand-held computer using a standard thermal printer.

R P Rodgers

    Computers in Biology and Medicine
    |January 1, 1985
    PubMed
    Summary

    This study introduces a new software package for generating HP-41C barcodes using accessible hardware. This innovation significantly broadens the availability of HP-41C barcode generation for medical software and data dissemination.

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    Area of Science:

    • Computer Science
    • Scientific Computing
    • Data Management

    Background:

    • The HP-41C hand-held computer can read program code and data via printed barcodes.
    • Disseminating medical software and data for the HP-41C system was previously limited by specialized barcode generation equipment.
    • Existing methods for HP-41C barcode generation required expensive or specialized hardware like plotters or specific printers with interfaces.

    Purpose of the Study:

    • To present a versatile software package for generating all nine types of HP-41C barcodes.
    • To enable wider access to HP-41C barcode generation using commonly available hardware.
    • To facilitate the dissemination of medical software and data for the HP-41C system.

    Main Methods:

    • Developed a set of twenty programs for HP-41C barcode generation.

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  • Utilized an HP-41CX, an 82162A thermal printer, an HP-IL ROM, and a plotter ROM.
  • Incorporated input/output routines for general utility and 'synthetic programming' for enhanced display and memory management.

    • Main Results:

    • All nine types of HP-41C barcodes can now be generated using the provided programs and accessible hardware.
    • The system allows for complete installation of barcodes without manual keyboard input.
    • 'Synthetic programming' optimizes memory usage and allows for non-standard display characters.

    Conclusions:

    • The developed software package significantly increases the accessibility of HP-41C barcode generation.
    • This advancement will likely lead to broader adoption and use of HP-41C systems for medical data and software dissemination.
    • The system offers a cost-effective and user-friendly solution for creating HP-41C barcodes.