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A universal computer and interface system for the disabled (UNICAID).

M P Bolton, A C Taylor

    Journal of Biomedical Engineering
    |October 1, 1981
    PubMed
    Summary
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    A new microprocessor-based system enhances computer access for severely handicapped individuals. This assistive technology utilizes a

    Area of Science:

    • Assistive Technology
    • Human-Computer Interaction
    • Biomedical Engineering

    Background:

    • Individuals with severe handicaps often face significant challenges in accessing and utilizing standard computer systems.
    • Existing assistive technologies may have limitations in functionality, expandability, or integration with diverse computing environments.

    Purpose of the Study:

    • To develop and evaluate a novel text handling and computing system tailored for severely handicapped users.
    • To provide a versatile and expandable platform that integrates word processing, computer terminal, and standalone microcomputer functionalities.

    Main Methods:

    • Development of a prototype system leveraging microprocessor technology.
    • Implementation of a serial 'suck-puff' code (TWC code version DR2) for user input via a remote control link.

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  • Design incorporating a 'bus' structure for modular expansion of functionalities.

    • Main Results:

    • The prototype system successfully integrates word processing capabilities with video display, editing, and printout functions.
    • The unit functions as a computer terminal and a standalone microcomputer, supporting commercial software.
    • The 'bus' architecture facilitates straightforward addition of new features.

    Conclusions:

    • The developed prototype demonstrates a viable and adaptable solution for enhancing computer accessibility for severely handicapped users.
    • The system's multifunctionality and expandability offer significant potential for improving user independence and productivity.
    • Ongoing evaluation with a tetraplegic student will provide crucial user feedback for further refinement.