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Issue No. 04 - Oct.-Dec. (2016 vol. 15)
ISSN: 1536-1268
pp: 20-25
Yu-Chih Tung , The University of Michigan
Kang G. Shin , The University of Michigan
To enhance the input capability on the severely limited space of a phone's screen, touch force has been a vital way to expand user-phone interactions. For example, users can get an options menu by hard-pressing a button or can surf the previous webpage by squeezing the phone. Researchers have shown the usefulness and importance of this expressive input interface (especially for the one-hand operation), but this advanced function has not yet been realized and deployed in most state-of-the-art smartphones. Unlike many other proposals, which require the addition of specialized hardware, the authors propose a software-based solution called ForcePhone. Their solution exploits a well-known physical property, called structure-borne sound propagation, to enable commodity phones to recognize the force applied to their touchscreen and body.
Mobile communication, Smart phones, Pervasive computing, Haptic interfaces, Wireless sensor networks, Software engineering, Touch sensitive screens

Y. Tung and K. G. Shin, "ForcePhone: Software Lets Smartphones Sense Touch Force," in IEEE Pervasive Computing, vol. 15, no. 4, pp. 20-25, 2016.
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