US 12,333,076 B2
Virtual tactile stimulation device and method for matching nerve stimulation pattern and virtual space object having impedance
Sung Q Lee, Daejeon (KR); Kang Ho Park, Daejeon (KR); and You Sung Kang, Daejeon (KR)
Assigned to ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daejeon (KR)
Filed by Electronics and Telecommunications Research Institute, Daejeon (KR)
Filed on Apr. 20, 2023, as Appl. No. 18/304,148.
Claims priority of application No. 10-2022-0049351 (KR), filed on Apr. 21, 2022.
Prior Publication US 2023/0341942 A1, Oct. 26, 2023
Int. Cl. G06F 3/01 (2006.01); A61N 1/36 (2006.01); G06T 17/00 (2006.01); A61N 1/04 (2006.01)
CPC G06F 3/016 (2013.01) [A61N 1/3606 (2013.01); A61N 1/3614 (2017.08); G06F 3/011 (2013.01); G06T 17/00 (2013.01); A61N 1/0456 (2013.01); G06F 3/014 (2013.01); G06F 3/015 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A tactile stimulation method comprising:
assigning an impedance value to each object in a virtual space;
inducing virtual force using the impedance value assigned to the object and displacement between the object and a user's body in the virtual space;
inducing a nerve spike pattern for sensory nerve stimulation in order to implement the induced virtual force;
stimulating a location where the sensory nerve is located by applying an electrical signal according to the induced nerve spike pattern through a nerve stimulation unit temporarily or over time; and
generating feedback in the virtual space based on a stimulation result,
wherein the nerve spike pattern is derived based on a resistance-capacity (RC) model which is predefined based on intervals between spike signals fired by a plurality of sensory receptors when a mechanical stimulation is applied to skin layer in which tactile nerves are distributed.