Extending Fitts' law to two-dimensional tasks
CHI '92 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Virtual reality for palmtop computers
ACM Transactions on Information Systems (TOIS)
A comparison of user interfaces for panning on a touch-controlled display
CHI '95 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Tilting operations for small screen interfaces
Proceedings of the 9th annual ACM symposium on User interface software and technology
Squeeze me, hold me, tilt me! An exploration of manipulative user interfaces
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Sensing techniques for mobile interaction
UIST '00 Proceedings of the 13th annual ACM symposium on User interface software and technology
Dual touch: a two-handed interface for pen-based PDAs
UIST '00 Proceedings of the 13th annual ACM symposium on User interface software and technology
Phidgets: easy development of physical interfaces through physical widgets
Proceedings of the 14th annual ACM symposium on User interface software and technology
HyperPalette: a hybrid computing environment for small computing devices
CHI '00 Extended Abstracts on Human Factors in Computing Systems
Peephole displays: pen interaction on spatially aware handheld computers
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Scroll Display: Pointing Device for Palmtop Computers
APCHI '98 Proceedings of the Third Asian Pacific Computer and Human Interaction
ScrollPad: Tangible Scrolling with Mobile Devices
HICSS '04 Proceedings of the Proceedings of the 37th Annual Hawaii International Conference on System Sciences (HICSS'04) - Track 9 - Volume 9
Information Transfer Techniques for Mobile Devices by "Toss" and "Swing" Actions
WMCSA '04 Proceedings of the Sixth IEEE Workshop on Mobile Computing Systems and Applications
Proceedings of the 7th international conference on Human computer interaction with mobile devices & services
An exploration of pen rolling for pen-based interaction
Proceedings of the 21st annual ACM symposium on User interface software and technology
Stylus enhancement to enrich interaction with computers
HCI'07 Proceedings of the 12th international conference on Human-computer interaction: interaction platforms and techniques
Interaction technique combining gripping and pen pressures
KES'10 Proceedings of the 14th international conference on Knowledge-based and intelligent information and engineering systems: Part IV
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Portable handheld devices inherently involve difficulties with methods of input due to their compact size. Several approaches to attach extra sensors have been proposed, but these have not enabled size or exterior design to be minimized. We propose a novel and simple input technique for handheld devices that makes use of a stylus in a holder that is twisted and pushed/pulled like a knob. Both rotating and sliding the stylus inside the holder can simultaneously adjust two parameters. We implemented a prototype system with an inexpensive image sensor, and evaluated its input. An ANOVA test revealed that our method could scroll as fast as tap-and-drag operations on a screen.