BetweenKeys: looking for room between keys

Authors:
Youngwoo Yoon;Geehyuk Lee
Affiliations:
School of Engineering, Information and Communications University, Daejeon, Korea;School of Engineering, Information and Communications University, Daejeon, Korea
Venue:
HCI'07 Proceedings of the 12th international conference on Human-computer interaction: interaction platforms and techniques
Year:
2007

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Phrase sets for evaluating text entry techniques

CHI '03 Extended Abstracts on Human Factors in Computing Systems
The Chord Keyboard

Computer

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Abstract

A conventional keyboard has a large footprint because it should serve numerous functions with independent keys. With demand for smaller keyboards, the present paper analyzes a practical method that leverages overlap of two ordinary keys and may reduce the keyboard size. By analyzing overlap frequencies and key stroke timings in normal use, we investigated whether key overlaps are practically usable. From the results, four pairs are recommended that are practically available and preferred by users. Hangul / English mode transition is described as an application.