Numerical modeling of ultrasonic touchscreen

@article{Firouzi2014NumericalMO,
  title={Numerical modeling of ultrasonic touchscreen},
  author={Kamyar Firouzi and Amin Nikoozadeh and Butrus T. Khuri-Yakub},
  journal={2014 IEEE International Ultrasonics Symposium},
  year={2014},
  pages={753-756}
}
Transient Lamb waves induced by finite piezoelectric transducers have been widely used in ultrasonic touch systems, where a tactile object is localized through its interaction with the Lamb waves. However, this problem has not been looked in-depth theoretically, which is essential for development of robust systems. The two-dimensional theory often fails to provide a true picture as the diffraction effects are of great significance in these technologies. Reduced order models such as the plate… CONTINUE READING

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