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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)

FIG. 15E is a graphical illustration of an example preferred region of operation 1568 for an array 1502 of cutaneous actuators, in accordance with an embodiment. Using the methods described below with respect to FIG. 15E, preferred parameters of the haptic sensations (e.g., frequency, amplitude, overlap time 1536, duration of sensations, etc.,) and preferred parameters of the array 1502 (e.g., spacing distance 1512A and 1512B, length of the device 1516, etc.,) may be determined that are more pleasant to human users. The preferred parameters may be used to associate social touch messages such as calming and consoling.

The parameters of the haptic sensations may be examined across a broad spectrum of frequency and amplitude. In some embodiments, frequencies of vibration in the 5-40 Hz range and amplitudes of up to 20 times that of the human sensitivity threshold evoke more pleasant touch. These parameters may be combined with the psychophysical models of moving illusions, social and consoling patterns to generate haptic sensations on the skin 1500 of a user, e.g., to reproduce effects of someone else touching the forearm 1500.

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