Amazon Technologies, Inc.

Raghunandan M Rao

Morris Yuanhsiang Hsu

Amit Kachroo

Koushik Araseethota Manjunatha

A device comprises a display and a plurality of radars. For example, the radars may be arranged around a perimeter of the device, with their respective fields of view directed toward the display. Output from the radar is processed to generate input frames. The input frames are then processed to determine touch data indicative of a position with respect to the display. The input frames may be processed to determine the touch data using a trained machine learning module or a geometric estimation module. For example, the trained machine learning module may accept input frames comprising one or more of range fast-Fourier transform (FFT) data or doppler FFT data and provide as output the touch data.

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Santa Clara, CA, United States of America

Raghunandan M Rao