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Sensors in Assistive Technology

Sensors in Assistive Technology

Yu-Luen Chen, Walter Chang, Te-Son Kuo
Copyright: © 2011 |Pages: 9
ISBN13: 9781605662060|ISBN10: 1605662062|EISBN13: 9781605662077
DOI: 10.4018/978-1-60566-206-0.ch014
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MLA

Chen, Yu-Luen, et al. "Sensors in Assistive Technology." Handbook of Research on Personal Autonomy Technologies and Disability Informatics, edited by Javier Pereira, IGI Global, 2011, pp. 224-232. https://doi.org/10.4018/978-1-60566-206-0.ch014

APA

Chen, Y., Chang, W., & Kuo, T. (2011). Sensors in Assistive Technology. In J. Pereira (Ed.), Handbook of Research on Personal Autonomy Technologies and Disability Informatics (pp. 224-232). IGI Global. https://doi.org/10.4018/978-1-60566-206-0.ch014

Chicago

Chen, Yu-Luen, Walter Chang, and Te-Son Kuo. "Sensors in Assistive Technology." In Handbook of Research on Personal Autonomy Technologies and Disability Informatics, edited by Javier Pereira, 224-232. Hershey, PA: IGI Global, 2011. https://doi.org/10.4018/978-1-60566-206-0.ch014

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Abstract

This chapter reports on the development of an eyeglass-type infrared-controlled computer interface for the disabled. This system may serve to assist those who suffer from spinal cord injuries or other handicaps to operate a computer. This system is comprised of three major components: (A) an infrared transmitting module; (B) an infrared receiving / signal-processing module; and (C) a main controller, the Intel-8951 microprocessor. The infrared transmitting module utilizes tongue-touch circuitry which is converted to an infrared beam and a low power laser (<0.1mW) beam. The infrared receiving / signal-processing module, receives the infrared beam and fine tunes the unstable infrared beam into standard pulses which are used as control signals. The main controller is responsible for detecting the input signals from the infrared receiving / signal-processing module and verifying these signals with the mapping table in its memory. After the signal is verified, it is released to control the keys of the computer keyboard and mouse interface. This design concept was mainly based on the idea that the use of an infrared remote module fastened to the eyeglasses could allow the convenient control of the input motion on the keys of a computer keyboard and mouse which are all modified with infrared receiving / signal-processing modules. The system is designed for individuals with spinal cord injuries and disabled in which the subjects’ movement are severely restricted. The infrared transmitting module can be easily mounted on eyeglasses or artificial limbs.

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