SHIFT: interactive smartphone bumper case

Authors:
Jong-uk Lee;Jeong-Mook Lim;Heesook Shin;Ki-Uk Kyung
Affiliations:
Electronics and Telecommunications Research Institute (ETRI), Daejeon, Korea;Electronics and Telecommunications Research Institute (ETRI), Daejeon, Korea;Electronics and Telecommunications Research Institute (ETRI), Daejeon, Korea;Electronics and Telecommunications Research Institute (ETRI), Daejeon, Korea
Venue:
EuroHaptics'12 Proceedings of the 2012 international conference on Haptics: perception, devices, mobility, and communication - Volume Part II
Year:
2012

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Abstract

This paper introduces a novel smartphone bumper case providing an interactive touch sense and a realistic physical feeling. The thin and rapidly responding film-like actuator installed in the case simulates a physical response. A battery and a wireless communication controller are also embedded for the implementation of a stand-alone device. As the case is designed to be assembled with a smartphone and the assembly does not require any hardware revision of the smartphone, the proposed device has high compatibility with current consumer products. We designed a software structure guaranteeing a real-time physical response. The API can be used to provide realistic touch response and a user test is conducted for a comparison with the conventionally used vibrator in a mobile device.