Efficiency of Arrow Keypad as a Japanese Kana Input Device

Hiro-Fumi YANAI  Chihiro TAKAYANAGI  Yasushi IMAEDA 

Publication
D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)  Vol.J95-D  No.6  pp.1432-1434
Publication Date: 2012/06/01
Online ISSN: 1881-0225
Print ISSN: 1880-4535
Type of Manuscript: LETTER
Category: 
Keyword: 
text entry,  key strokes,  mobile phone,  a table of the Japanese syllabary, 

Full Text(in Japanese): PDF(287.8KB)

Summary: 
We examined a Japanese text entry method which uses four arrow keys to select desired kana on a table of the Japanese syllabary. A theoretical study showed the increase in text entry efficiency by rearranging the table. We made a user experiment and obtained a result that support the theoretical prediction.