Wearable haptic devices for modulating perceived roughness of physical surfaces in real-time simulation in mixed reality environments
US12282600B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 19, 2024 |
| Grant date | Apr 22, 2025 |
| Priority date | — |
| Expiry date | Feb 19, 2044 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T19/006
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A wearable haptic modulation device for real-time simulation of texture properties of a material surface in mixed reality environments is provided. Particularly, it includes a U-shaped pneumatic actuator surrounds a user's fingertip, a finger-housing support creating a space for fingertip containment, a resonant actuator on the finger-housing support generating vibrotactile feedback to enhance perceived roughness on touched physical surfaces, and a pneumatic control system generating pneumatic actuation to reduce the perceived roughness on touched physical surface. Notably, the U-shaped pneumatic actuator allows direct contact of the user's fingerpad with the touched physical surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.