HybridTouch: an intuitive manipulation technique for PDAs using their front and rear surfaces

Authors:
Masanori Sugimoto;Keiichi Hiroki
Affiliations:
University of Tokyo, Chiba, Japan;University of Tokyo, Chiba, Japan
Venue:
Proceedings of the 8th conference on Human-computer interaction with mobile devices and services
Year:
2006

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Abstract

This paper describes a new manipulation technique for small-screen mobile devices. The proposed technique, called HybridTouch, uses a touchpad attached to the rear surface of a PDA. A user can manipulate the PDA by simultaneously touching the front surface with a stylus pen held by the dominant hand and the rear surface with a finger of the nondominant hand. User studies were conducted via applications augmented by HybridTouch, and proved that users could perform manipulation tasks intuitively.