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

專利號(hào)
US10867526B2
公開(kāi)日期
2020-12-15
申請(qǐng)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(shuō)明書(shū)

In one embodiment, the frequency components have periodic, low-frequency, non-sinusoidal waveforms. Each of the frequency components has a fundamental frequency fi less than a threshold frequency ft. The frequency component also has harmonic frequencies of the fundamental frequency fi. For example, the fundamental frequency fi may be kept low (e.g., 10 Hz) and the harmonic frequencies included to generate the broadband carrier signals 1828. Each harmonic of the fundamental frequency fi has a waveform with a frequency that is a positive integer multiple of the fundamental frequency fi. The harmonics are periodic at the fundamental frequency; the sum of harmonics is also periodic at that frequency. For example, if the fundamental frequency is 10 Hz, the frequencies of the first three higher harmonics are 20 Hz (2nd harmonic), 30 Hz (3rd harmonic), and 30 Hz (4th harmonic).

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