PyzoFlex: printed piezoelectric pressure sensing foil

  • Authors:
  • Christian Rendl;Patrick Greindl;Michael Haller;Martin Zirkl;Barbara Stadlober;Paul Hartmann

  • Affiliations:
  • University of Applied Sciences Upper Austria, Hagenberg, Austria;University of Applied Sciences Upper Austria, Hagenberg, Austria;University of Applied Sciences Upper Austria, Hagenberg, Austria;Joanneum Research, Weiz, Austria;Joanneum Research, Weiz, Austria;Joanneum Research, Weiz, Austria

  • Venue:
  • Proceedings of the 25th annual ACM symposium on User interface software and technology
  • Year:
  • 2012

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Abstract

Ferroelectric material supports both pyro- and piezoelectric effects that can be used for sensing pressures on large, bended surfaces. We present PyzoFlex, a pressure-sensing input device that is based on a ferroelectric material. It is constructed with a sandwich structure of four layers that can be printed easily on any material. We use this material in combination with a high-resolution Anoto-sensing foil to support both hand and pen input tracking. The foil is bendable, energy-efficient, and it can be produced in a printing process. Even a hovering mode is feasible due to its pyroelectric effect. In this paper, we introduce this novel input technology and discuss its benefits and limitations.