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

專(zhuān)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(lèi)
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, several frequency sets may be constructed to determine the robustness and parameter range for pleasant touch at different amplitudes across a broad vibrotactile spectrum. Different frequencies trigger different receptive systems within the human body 1500 as described and illustrated above with respect to FIG. 15D. Each frequency set may include one or more frequencies of vibration at varying amplitudes. That is, actuator signals including more than one frequency may be transmitted to the cutaneous actuators to cause the cutaneous actuators to generate sensations that include more than one frequency. For example, piezoelectric actuators (precision ceramic actuators that convert electrical energy directly into linear motion with high speed and resolution) may be used to vary the amplitude and frequency of sensations to create different types of pleasant or calming touches and to determine a preferred region 1568 of frequencies and amplitudes.

In one experiment, ten frequency sets were constructed and evaluated. The frequency sets included (1) Frequency Set 1: 20 Hz at 15 dB sensation level (SL); (2) Frequency Set 2: 20 Hz at 30 dB SL; (3) Frequency Set 3: 70 Hz at 15 dB SL; (4) Frequency Set 4: 70 Hz at 30 dB SL; (5) Frequency Set 5: 250 Hz at 15 dB SL; (6) Frequency Set 6: 250 Hz at 30 dB SL; (7) Frequency Set 7: 20 Hz+70 Hz at 20 dB SL; (8) Frequency Set 8: 20 Hz+250 Hz at 20 dB SL; (9) Frequency Set 9: 70 Hz+250 Hz at 20 dB SL; and (10) Frequency Set 1: 20 Hz+70 Hz+250 Hz at 25 dB SL.

權(quán)利要求

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