EchoTube: Modular and robust press sensing along flexible tubes using waveguided ultrasound
Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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EchoTube : Modular and robust press sensing along flexible tubes using waveguided ultrasound. / Tejada, Carlos E.; McIntosh, Jess; Bergen, Klæs Alexander; Boring, Sebastian; Ashbrook, Daniel; Marzo, Asier.
ISS 2019 - Proceedings of the 2019 ACM International Conference on Interactive Surfaces and Spaces. Association for Computing Machinery, 2019. p. 147-155.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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TY - GEN
T1 - EchoTube
T2 - 14th ACM International Conference on Interactive Surfaces and Spaces, ISS 2019
AU - Tejada, Carlos E.
AU - McIntosh, Jess
AU - Bergen, Klæs Alexander
AU - Boring, Sebastian
AU - Ashbrook, Daniel
AU - Marzo, Asier
PY - 2019
Y1 - 2019
N2 - While pressing can enable a wide variety of interesting applications, most press sensing techniques operate only at close distances and rely on fragile electronics. We present EchoTube, a robust, modular, simple, and inexpensive system for sensing low-resolution press events at a distance. EchoTube works by emitting ultrasonic pulses inside a flexible tube which acts as a waveguide and detecting reflections caused by deformations in the tube. EchoTube is deployable in a wide variety of situations: the flexibility of the tubes allows them to be wrapped around and affixed to irregular objects. Because the electronic elements are located at one end of the tube, EchoTube is robust, able to withstand crushing, impacts, water, and other adverse conditions. In this paper, we detail the design, implementation, and theory behind EchoTube; characterize its performance under different configurations; and present a variety of exemplar applications that illustrate its potential.
AB - While pressing can enable a wide variety of interesting applications, most press sensing techniques operate only at close distances and rely on fragile electronics. We present EchoTube, a robust, modular, simple, and inexpensive system for sensing low-resolution press events at a distance. EchoTube works by emitting ultrasonic pulses inside a flexible tube which acts as a waveguide and detecting reflections caused by deformations in the tube. EchoTube is deployable in a wide variety of situations: the flexibility of the tubes allows them to be wrapped around and affixed to irregular objects. Because the electronic elements are located at one end of the tube, EchoTube is robust, able to withstand crushing, impacts, water, and other adverse conditions. In this paper, we detail the design, implementation, and theory behind EchoTube; characterize its performance under different configurations; and present a variety of exemplar applications that illustrate its potential.
KW - Press sensing
KW - Sensors
KW - Sound
KW - Tubes
KW - Ultrasound
KW - Waveguide
U2 - 10.1145/3343055.3359712
DO - 10.1145/3343055.3359712
M3 - Article in proceedings
SP - 147
EP - 155
BT - ISS 2019 - Proceedings of the 2019 ACM International Conference on Interactive Surfaces and Spaces
PB - Association for Computing Machinery
Y2 - 10 November 2019 through 13 November 2019
ER -
ID: 239868724