Sensing techniques for mobile interaction
UIST '00 Proceedings of the 13th annual ACM symposium on User interface software and technology
Electric Field Sensing For Graphical Interfaces
IEEE Computer Graphics and Applications
ISWC '00 Proceedings of the 4th IEEE International Symposium on Wearable Computers
FreeDigiter: A Contact-Free Device for Gesture Control
ISWC '04 Proceedings of the Eighth International Symposium on Wearable Computers
SideSight: multi-"touch" interaction around small devices
Proceedings of the 21st annual ACM symposium on User interface software and technology
Back-of-device interaction allows creating very small touch devices
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
HoverFlow: expanding the design space of around-device interaction
Proceedings of the 11th International Conference on Human-Computer Interaction with Mobile Devices and Services
Prototyping input controller for touch-less interaction with ubiquitous environments
Proceedings of the 13th International Conference on Human Computer Interaction with Mobile Devices and Services
Multimodal mobile interactions: usability studies in real world settings
ICMI '11 Proceedings of the 13th international conference on multimodal interfaces
SNOUT: one-handed use of capacitive touch devices
Proceedings of the International Working Conference on Advanced Visual Interfaces
Magnetic marionette: magnetically driven elastic controller on mobile device
Proceedings of the companion publication of the 2013 international conference on Intelligent user interfaces companion
MagPen: magnetically driven pen interactions on and around conventional smartphones
Proceedings of the 15th international conference on Human-computer interaction with mobile devices and services
MagGetz: customizable passive tangible controllers on and around conventional mobile devices
Proceedings of the 26th annual ACM symposium on User interface software and technology
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In this work, we present a new approach for text (mainly digit) entry based on digit shaped gestures created in 3D space around a mobile device. Some new mobile devices such as Apple iPhone 3GS and Google Android are equipped with magnetic (compass) sensor. The main idea is to influence the magnetic sensor using a magnet taken in hand. The user draws (writes) digits in the 3D space around the device using the magnet taken in hand. Movement of the magnet changes temporal pattern of magnetic field around the device which is sensed and registered by the magnetic (compass) sensor. The registered pattern is then compared against already recorded templates for different digits. Such a text (digit) entry approach can be especially useful for small mobile devices in which it is hard to operate small buttons or touch screen. Using our technique, the text entry space extends beyond physical boundaries of the device. A demonstrator for this approach is implemented on Apple iPhone 3GS platform. It demonstrates registering a few templates for different digits, and recognizing digits written in the space around the device