Implementation of a Detachable Physical Bluetooth Keypad to Improve Digital Literacy of the Visually Impaired 


Vol. 47,  No. 12, pp. 2192-2195, Dec.  2022
10.7840/kics.2022.47.12.2192


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  Abstract

This paper implements a Bluetooth physical keypad that can be used in conjunction with a touch-type smartphone to improve digital literacy of the visually impaired. A Bluetooth keypad in the form of a physical keypad is implemented to solve the difficulty of using a virtual keypad in a touch-type smartphone for the visually impaired. The keypad has a 4×5 arrangement, and consists of a 4×4 ‘Cheonjiin’ key arrangement and 4 function keys. The 4×4 ‘Cheonjiin’ key arrangement is a structure applied to a foldable smartphone, so it has the advantage of being familiar to the visually impaired. In addition, 4 function keys are the ‘up/down key’, ‘OK key’, ‘shortcut key’ that are frequently used when accessing the Internet. As a result of testing by applying the implemented physical keypad to a touch-type smartphone, it was confirmed that the service is possible, and it is expected that it will help improve the digital literacy of the visually impaired.

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[IEEE Style]

S. Lee, "Implementation of a Detachable Physical Bluetooth Keypad to Improve Digital Literacy of the Visually Impaired," The Journal of Korean Institute of Communications and Information Sciences, vol. 47, no. 12, pp. 2192-2195, 2022. DOI: 10.7840/kics.2022.47.12.2192.

[ACM Style]

Sangrok Lee. 2022. Implementation of a Detachable Physical Bluetooth Keypad to Improve Digital Literacy of the Visually Impaired. The Journal of Korean Institute of Communications and Information Sciences, 47, 12, (2022), 2192-2195. DOI: 10.7840/kics.2022.47.12.2192.

[KICS Style]

Sangrok Lee, "Implementation of a Detachable Physical Bluetooth Keypad to Improve Digital Literacy of the Visually Impaired," The Journal of Korean Institute of Communications and Information Sciences, vol. 47, no. 12, pp. 2192-2195, 12. 2022. (https://doi.org/10.7840/kics.2022.47.12.2192)
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pISSN : 1226 - 4717
eISSN : 2287 - 3880