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Haptic communication system using cutaneous actuators for simulation of continuous human touch

專利號
US10867526B2
公開日期
2020-12-15
申請人
Facebook, Inc.（US CA Menlo Park）
發(fā)明人
Ali Israr; Freddy Abnousi; Frances Wing Yee Lau
IPC分類
H04B3/36; G09B21/00; G01L5/00; G06N20/00; G06N3/04; G06N3/08; G10L13/00; G10L21/02; G08B6/00; G09B21/04; G10L15/02; G10L15/22; G10L21/0272; G06F3/01; G06F3/16; G10L25/18; G10L25/48; G10L19/00; G10L15/16; G10L21/06
技術(shù)領(lǐng)域
haptic,cutaneous,actuator,actuators,signals,speech,in,phoneme,may,vibrations
地域： CA CA Menlo Park

摘要

A haptic communication device includes an array of cutaneous actuators to generate haptic sensations corresponding to actuator signals received by the array. The haptic sensations include at least a first haptic sensation and a second haptic sensation. The array includes at least a first cutaneous actuator to begin generating the first haptic sensation at a first location on a body of a user at a first time. A second cutaneous actuator begins generating the second haptic sensation at a second location on the body of the user at a second time later than the first time.

說明書

The FFT module 1018 performs Fast Fourier transform on a portion of the digitized voice signal of each frame in a time domain to a frequency domain. As a result of FFT, an approximate power spectrum of the portion of the digitized voice signal over the corresponding frame is obtained. The signal power is clustered in a relatively small number of locations in the frequency spectrum, which correspond to the speech formants. The fine fluctuations are due in part to numerical artifacts but these do not affect the dominant frequencies and hence, no further technique is applied to reduce the artifacts. FIG. 10C is a graph illustrating the result of the Fast Fourier transformation, according to one embodiment. In other embodiments, spectral estimation techniques other than FFT may be used to transform the portion of digitized voice signal in a time domain to a frequency domain.

權(quán)利要求

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