One-point touch input of vector information for computer displays
SIGGRAPH '78 Proceedings of the 5th annual conference on Computer graphics and interactive techniques
Soap: a pointing device that works in mid-air
UIST '06 Proceedings of the 19th annual ACM symposium on User interface software and technology
SIGGRAPH '04 ACM SIGGRAPH 2004 Emerging technologies
SIGGRAPH '05 ACM SIGGRAPH 2005 Emerging technologies
Robust, low-cost, non-intrusive sensing and recognition of seated postures
Proceedings of the 20th annual ACM symposium on User interface software and technology
Digital foam interaction techniques for 3D modeling
Proceedings of the 2008 ACM symposium on Virtual reality software and technology
Second skin: motion capture with actuated feedback for motor learning
CHI '09 Extended Abstracts on Human Factors in Computing Systems
A Coarse Desktop Method for Evaluating Transmission of Vibration through Textile Layers
ISWC '09 Proceedings of the 2009 International Symposium on Wearable Computers
Making textile sensors from scratch
Proceedings of the fourth international conference on Tangible, embedded, and embodied interaction
Sensing through structure: designing soft silicone sensors
Proceedings of the fifth international conference on Tangible, embedded, and embodied interaction
Finding the right way for interrupting people improving their sitting posture
INTERACT'11 Proceedings of the 13th IFIP TC 13 international conference on Human-computer interaction - Volume Part II
Detecting shape deformation of soft objects using directional photoreflectivity measurement
Proceedings of the 24th annual ACM symposium on User interface software and technology
Force gestures: augmenting touch screen gestures with normal and tangential forces
Proceedings of the 24th annual ACM symposium on User interface software and technology
SenSkin: adapting skin as a soft interface
Proceedings of the 26th annual ACM symposium on User interface software and technology
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We have developed a simple skin-like user interface that can be easily attached to curved as well as flat surfaces and used to measure tangential force generated by pinching and dragging interactions. The interface consists of several photoreflectors that consist of an IR LED and a phototransistor and elastic fabric such as stocking and rubber membrane. The sensing method used is based on our observation that photoreflectors can be used to measure the ratio of expansion and contraction of a stocking using the changes in transmissivity of IR light passing through the stocking. Since a stocking is thin, stretchable, and nearly transparent, it can be easily attached to various types of objects such as mobile devices, robots, and different parts of the body as well as to various types of conventional pressure sensors without altering the original shape of the object. It can also present natural haptic feedback in accordance with the amount of force exerted. A system using several such sensors can determine the direction of a two-dimensional force. A variety of example applications illustrated the utility of this sensing system.